06/29/2009

01/19/2010

02/17/2011

01/04/2012

Refereed Publications and Abstracts

Abawi, G. S., C. H. Petzoldt, B. K. Gugino, and J. A. LaMondia. 2011. Prioritizing cover crops for improving root-health and yield of vegetables in the Northeast. Phytopathology 101: S1 (Abstr.).

Alcala, A. C., Paulitz, T. C., Porter, L. D., and du Toit, L. J. 2011. Profile of Pythium spp. in certified organic fields for vegetable production in central Washington. APS Annual Meeting, Honolulu, Hawaii, 6-10 August 2011. Phytopathology 101:S4. http://www.apsnet.org/meetings/Documents/2011_Meeting_Abstracts/a11ma21.htm
Balaji, V. and Smart, C.D. 2011. Over-expression of snaking-2 and extension-like protein genes restricts pathogen invasiveness and enhances tolerance to Clavibacter michiganensis subsp. michiganensis in transgenic tomato (Solanum lycopersicum). Transgenic Research (in press).

Balaji, V., Sessa, G., and Smart, C.D. 2011. Silencing of host basal defense response-related gene expression increases susceptibility of Nicotiana benthamiana to Clavibacter michiganensis subsp. michiganensis. Phytopathology 101:349-357.

Becker, J.O., and J. Smith Becker 2010. A screening and optimization test for nematicidal seed coatings. J. Nematology 42:233.

Becker, J.O., J. Nunez, and A. Ploeg 2010. Abating root-knot nematode damage in fresh carrot production. J. Nematology 42:232-233.

Bennypaul, H.S., Mutti, J., Kumar, N., Rustgi, S., Okubara, P.A., Gill, K.S. 2011. Virus-induced gene silencing (VIGS) of genes expressed in root, leaf and meiotic tissues of wheat. Functional Integrative Genomics. DOI: 10.1007/s10142-011-0245-0.

Chekali, S., Gargouri, S., Paulitz, T.C., Nicol, J., Rezgui, M. 2011. Effects of Fusarium culmorum and water stress on durum wheat in Tunisia. Crop Protection 30: 718-725.

Cho SM, Park JY, Han SH, Anderson AJ, Yang KY, Gardener BBM, and Kim YC. 2011. Identification and transcriptional analysis of priming genes in Arabidopsis thaliana induced by root colonization with Pseudomonas chlororaphis O6. The Plant Pathology Journal, 23:272-279.


D'Aes, J., Khuong, H.G., De Maeyer, K., Pannecoucque, J., Forrez, I., Ongena,
M., Dietrich, L.E., Thomashow, L.S., Mavrodi, D.V., Mavrodi, O.V., Hofte, M.
2011. Biological control of Rhizoctonia root rot on bean by phenazine- and cyclic lipopeptide-producing Pseudomonas CMR12a. Phytopathology. 101:996-1004.

De Luna, L.Z., Kennedy, A.C., Hansen, J.C., Paulitz, T.C., Gallagher, R.S., Fuerst, E.P. 2011. Mycobiota on wild oat (Avena fatua L.) seed and their caryopsis decay potential. Plant Health Progress. doi:10.1094/PHP-2011-0210-01-RS.
doi:10.1128/AAC.05370-11

du Toit, L.J. 2011. Effects of soil fumigation and seed treatments on seed transmission of Verticillium in spinach. Page 41, International Spinach Conference, 3-4 October 2011, Amsterdam, The Netherlands (poster). http://spinach.uark.edu/Spinach%20Conference%20Program%20Final%20092611.pdf

du Toit, L.J. 2011. Selecting a spinach seed health assay for Verticillium: Results of an ISHI ring test. Page 28, International Spinach Conference, 3-4 October 2011, Amsterdam, The Netherlands (paper). http://spinach.uark.edu/Spinach%20Conference%20Program%20Final%20092611.pdf

du Toit, L.J., and Correll, J.C. 2011. Assessing the significance of seedborne Verticillium in spinach. Page 18, Programme and Abstracts, 47th Congress of the Southern African Society for Plant Pathology, 23-26 January 2011, Kruger National Park, South Africa.

Dung, J., du Toit, L.J., and Johnson, D.J. 2011. Verticillium wilt of skullcap and potential for pathogen dissemination via seeds and stems. Plant Disease 95: 1147-1152.

Dung, J.K., du Toit, L.J., Gatch, E.W., and Johnson, D.A. 2011. Cross-pathogenicity of Verticillium dahliae isolates from skullcap and peppermint. Phytopathology 101:S247. 2010 APS Pacific Division/Canadian Phytopathological (CPS) annual meeting, Vancouver, BC. http://www.apsnet.org/members/divisions/pac/meetings/Pages/2010MeetingAbstracts.aspx

Dunn, A.R., Milgroom, M.G., Meitz, J.C., McLeod, A., Fry, W.E., McGrath, M.T., Dillard, H.R., and Smart, C.D. 2010. Population structure and resistance to mefenoxam of Phytophthora capsici in New York State. Plant Disease 94:1461-1468.

Gatch, E.W., and du Toit, L.J. 2011. Managing Fusarium wilt in spinach seed crops using limestone and a soil bioassay. Phytopathology 101:S248. 2010 APS Pacific Division/CPS annual meeting, Vancouver, BC. http://www.apsnet.org/members/divisions/pac/meetings/Pages/2010MeetingAbstracts.aspx

Grünwald, N. K., Martin, F. N., Larsen, M., Sullivan, C., Press, C. M., Coffey, M. D., Hansen, E. M., and Parke, J. L. 2011. Phytophthora-ID.org: A sequence based Phytophthora identification tool. Plant Dis. 95:337-342.

Handiseni, M., Brown, J., Zemetra, R., and Mazzola, M. Herbicidal activity of Brassicaceae seed meal amended soils on emergence and growth of wild oat (Avena fatua), Italian rye grass (Lolium multiflorum), redroot pigweed (Amaranthus retroflex) and prickly lettuce (Lactuca serriola). Weed Technol. 25:127-134. 2011

Hao, J. J., Liu, H., Gonzalez, I. R. D., Lu, X. H., and Fulbright, D. 2011. Antimicrobial activities of chestnut extracts for potential use managing soilborne plant pathogens. Plant Disease. (In press).

Hao, J. J., Meng, Q., Rosenzweig, N., Lu, X., and Liu, H. 2010. Managing potato common scab by enhancing soil health. Great Lakes Fruit, Vegetable and Farm Market EXPO. Link: http://www.glexpo.com/abstracts.php.

Harman, G. E. 2011. Multifunctional fungal plant symbionts: new tools to enhance plant growth and productivity. New Phytol. 189:647-649.

Harman, G. E. 2011. Trichodermanot just for biocontrol anymore. Phytoparasitica Guest Editorial. 39: 103-108.

Harman, G. E., Obregón, M. A., Samuels, G. J. and Lorito, M. 2010. Changing models for commercialization and implementation of biocontrol in the developing and developed world. Plant Dis. (feature article). 94:928-939.

Harper, K., Smart, C.D. and Davis, R.M. 2011. Development of a DNA-based macroarray for the detection and identification of Amanita species. Journal of Forensic Science 56: 1003-1009.

Hooks, C., Wang, K.H., Ploeg, A.T., McSorley, R. 2010. Using marigold (Tagetes spp.) as a cover crop to protect crops from plant-parasitic nematodes. Applied Soil Ecology. Vol. 46: p.307-320.

Kandel, S., Elling, A., Smiley, R.W., Garland-Campbell, K, Nicol, J.M. and Paulitz, T.C. 2011. A survey of root lesion nematode (Pratylenchus spp.) in the dryland wheat production areas of eastern Washington. Presented at the 50th Annual meeting of the Society of Nematology, Corvallis, OR, July, 2011.

Kelley, E., and Hao, J. 2010. Effect essential oils on inhibition of Phytophthora capsici. Phytopathology 100: S60 (abstr.).

Kim, Y.C., Leveau, J., McSpadden Gardener, B.B. Pierson, E.A., Pierson, L.S. III, and C.-M. Ryu. 2011. The multifactorial basis for plant health promotion by plant-associated bacteria. Appl Environ. Microbiol. 77:1548-1555

Lamprecht, S. C., Tewoldemedhin, Y. T., Calitz, F. J., and Mazzola, M. Evaluation of strategies for the control of canola and lupin seedling diseases caused by Rhizoctonia anastomosis groups. European Journal Plant Pathology 130: 427-439. 2011.

Lamprecht, S. C., Tewoldemedhin, Y. T., Hardy, M., Calitz, F. J., and Mazzola, M. Effect of cropping system on composition of the Rhizoctonia populations recovered from canola and lupin in a winter rainfall region of South Africa. European Journal of Plant Pathology 131:305-316. 2011.

Li, Q., Mavrodi, D.V., Thomashow, L.S., Roessle, M., Blankenfeldt, W. 2011.
Ligand binding induces an ammonia channel in 2-amino-2-desoxyisochorismate (ADIC) synthase PHZE. Journal of Biological Chemistry. 286:18213-18221.

López-Pérez, J.A., Roubtsova, T., de Cara-Garcia, M., Ploeg, A.T. 2010. The potential of five winter-grown crops to reduce root-knot nematode damage and increase yield of tomato. Journal of Nematology. Vol. 42: p.120-127.
Lorito, M., Woo, S. L., Harman, G. E. and Monte, E. 2010. Translational research on Trichoderma: from omics to the field. Annu. Rev. Phytopathol. 48: 395-417.

Lou, L., G. Qian, Y. Xie, J. Hang, H. Chen, K. Zaleta-Rivera, Y. Li, Y. Shen, P. H. Dussault, F. Liu, and L. Du. 2011. Biosynthesis of HSAF, a tetramic acid-containing macrolactam from Lysobacter enzymogenes. J. Am. Chem. Soc.133:643-645.

Lu, X. H., Davis, R. M., and Hao, J. J. 2011. Comparative study of Pythium species causing carrot cavity spot in California and Michigan. Phytopathology 101: S110 (abstr.).

Lu, X. H., Hausbeck, M. K., Liu, X. L., and Hao, J. J. 2011. Risk assessment of Phytophthora capsici resistant to fluopicolide. Phytopathology 101: S110. (abstr.).

Lu, X. H., Hausbeck, M. K., Liu, X. L., and Hao, J. J. 2011. Wild type sensitivity and mutation analysis for resistance risk to fluopicolide in Phytophthora capsici. Plant Disease 95: 1535-1541.

Lu, X. H., Livingston, S., Nunez, J. J., Davis, R. M., Hao, J. J. 2011. Pythium species associated with carrot cavity spot and their fungicide sensitivity in California and Michigan. Plant Disease. (In press).

Mastouri, F., T. Bjorkman, and G.E. Harman. 2010. Seed treatments with Trichoderma harzianum alleviate biotic, abiotic and physiological stresses in germinating seeds and seedlings. Phytopathology 100:1213-1221.

Mastouri, F., T. Bjorkman, and G.E. Harman. 2012. Trichoderma harzianum strain T22 enhances antioxidant defense of tomato seedlings and resistance to water deficit. Molec. Plant Microbe Interact. accepted with revision

Mavrodi, D.V., Joe, A., Mavrodi, O., Hassan, K.A., Weller, D.M., Paulsen,
I.T., Loper, J.E., Alfano, J.R., Thomashow, L.S. 2011. Structural and functional analysis of the Type III secretion system from Pseudomonas fluorescens Q8r1-96. Journal of Bacteriology. 193:177-189.

Mazzola, M. Advances in Brassica seed meal formulation for apple replant disease control. Pages 6.1-6.4 in, Proceedings Annual International Research Conference on Methyl Bromide Alternatives and Emissions Reductions. MBAO, Fresno, CA. 2011.

Mazzola, M. Potential of biofumigation for soilborne pest control in strawberry. Pages 47.1-48.2 in, Proceedings Annual International Research Conference on Methyl Bromide Alternatives and Emissions Reductions. MBAO, Fresno, CA. 2011.

Meng, Q. Liu, H., and Hao, J. 2011. An inhibitory effect of a novel Bacillus sp. strain against potato common scab. Phytopathology 101:S119. (abstr.).

Meng, Q. Yin, J. F., Rosenzweig, N., Douches, D., and Hao, J. J. 2011. Biological characteristics of suppressive soil to potato common scab in Michigan. Plant Disease. (Accepted)

Meng, Q., Adesemoye, A. O., Kirk, W. W., Hao, J. 2011. Genetic and morphologic diversity of Streptomyces species that cause potato common scab in Michigan. Phytopathology 101: S244. (abstr.).

Meng, Q., Cui, X., Bi, Y., Wang, Q., Liu, X., and Hao, J. 2011. Biological and genetic characterization of Phytophthora capsici mutants resistant to flumorph. Plant Pathology 60:957-966.

Moebius-Clune, B.N., O.J. Idowu, R.R. Schindelbeck, H.M. van Es, D.W. Wolfe, G.S. Abawi, Gugino, B.K., 2011. Developing Standard Protocols for Soil Quality Monitoring and Assessment. In: Bationo, A.; Waswa, B.; Okeyo, J.M.; Maina, F.; Kihara, J.M. (Eds.) Innovations as Key to the Green Revolution in Africa: Exploring the Scientific Facts. Springer. ISBN: 978-90-481-2541-8.

Ochiai, N., Dragila, M. I., and Parke, J. L. 2011. Pattern swimming of Phytophthora citricola zoospores: an example of microbial bioconvection. Fungal Biology 115:228-235.

Okubara, P.A., Jones, S.S. 2011. Seedling tolerance to Rhizoctonia and Pythium in wheat chromosome group 4 addition lines from Thinopyrum spp. Canadian Journal of Plant Pathology 33: 415-422.

Parke, J. L. and Rizzo, D. M. 2011. Phytophthora ramorum. Forest Phytophthoras 1(4). DOI:

Paulitz, T.C. 2011. Disease management. In: Hatfield, J.L. and Sauer, T.J., editors. Soil management: building a stable base for agriculture. Madison, WI: American Society of Agronomy and Soil Science Society of America. p. 265-274.

Paulitz, T.C. and Steffenson, B.J. 2011. Biotic stress in barley: disease problems and solutions. In: Ullrich, S.E., editor. Barley: improvement, production and uses. Ames, IA: Wiley-Blackwell.

Ploeg, A., J. Nunez, and J.O. Becker. 2010. Cover cropping and seed coating to mitigate root-knot nematode damage in carrot. Communications in Agricultural and Applied Biological Sciences (Comm Agr Appl Biol Sci) 75: 476.

Poole, G., Smiley, R. Paulitz, T.C., and Garland-Campbell, K. 2011. Identifying quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in two spring wheat populations. Phytopathology 101: S144. (abstr.).

Rosenzweig, N., and Hao, J. 2011. Characterizing microbial communities of potato common scab suppressive soil using pyrosequencing. Phytopathology 101: S156. (abstr.).

Rosenzweig, N., Tiedje, J. M., Meng, Q., Quensen III, J. F., and Hao, J. J. 2011. Soil microbial communities associated with potato common scab suppressive soil. Plant Disease. (Accepted)
Sanogo, S., Liess, L., and Richman, R. 2011. Mycelial growth and sporangial production of Phytophthora capsici as affected by extracts from pecan tissues. Phytopathology 101:S159.

Schroeder, K.L,. Shetty, K.K. and Paulitz, T.C. 2011. Survey of Rhizoctonia spp. from wheat soils in the U.S. and determination of pathogenicity on wheat and barley. Phytopathology 101: S161. (abstr.).

Shoresh, G. E. and Harman, G. E. 2010. Differential expression of maize chitinases in the presence or absence of Trichoderma harzianum strain T22 and indications of a novel exo- endo-heterodimeric chitinase activity. BMC Plant Biology 10:136. Published on line http://www.biomedcentral.com/1471-2229/10/136.

Shoresh, M., Harman, G. E. and Mastouri, F. 2010. Induced systemic resistance and plant responses to fungal biocontrol agents. Annu. Rev. Phytopathology 48: 21-43.

Spies, C. F. J., Mazzola, M., and McLeod, A. Characterization and detection of Pythium and Phytophthora species associated with grapevines in South Africa. European Journal Plant Pathology 131:103-119. 2011.

Spies, C. F. J., Mazzola, M., Botha, W. J., van der Rijst, M., Mostert, L., and McLeod, A. Oogonial biometry and phylogenetic analyses of the Pythium vexans species group from woody agricultural hosts in South Africa reveal distinct groups within this taxon. Fungal Biology115:157-168. 2011.

Spies, C.F.J., Mazzola, M., Botha, W. J., Langenhoven, S., Mostert, L., and McLeod, A. Molecular analysis of Pythium irregulare isolates from grapevines in South Africa suggest a single variable species.. Fungal Biology 115:1210-1224. 2011.

Stanghellini, M.E. and Misaghi, I.J. 2011. Olpidium bornovanus-mediated germination of ascospores of Monosporascus cannonballus: a host-specific rhizosphere interaction. Phytopathology 101:794-796.

Tewoldemedhin, Y. T., Mazzola, M., Botha, W. J., Mostert, L., and McLeod, A. Cylindrocarpon species associated with apple tree roots in South Africa and their quantification using real-time PCR. European Journal Plant Pathology 129:637-651. 2011.

Tewoldemedhin, Y. T., Mazzola, M., Botha, W. J., Spies, C. F., and McLeod, A. Characterization of fungi (Fusarium and Rhizoctonia) and oomycetes (Phytophthora and Pythium) associated with apple orchards in South Africa. European Journal Plant Pathology 130:215-229. 2011.

Tewoldemedhin, Y. T., Mazzola, M., Labuschagne, I. and McLeod, A. Towards understanding the etiology of apple replant disease in South Africa using a multiphasic approach. Soil Biology and Biochemistry. 43:1917-1927. 2011.

Westphal, A. Williams, M.L. Baysal-Gurel, F., LeJeune, J.T. and B.B. McSpadden Gardener. 2011. General suppression of Escherichia coli O157:H7 indicated in sand-based dairy livestock bedding. Appl. Environ. Microbiol. 77:2113-2121.

Yan, G.P., Smiley, R.W., Okubara, P.A. 2011. Detection and quantification of Pratylenchus thornei in DNA extracted from soil using real-time PCR. Phytopathology 101.DOI: 10.1094/PHYTO-03-11-0093.

Yin, C., Jones, K.L., Peterson, D.E., Garrett, K.A., Hulbert, S.H., Paulitz, T.C. 2010. Members of soil bacterial communities sensitive to tillage and crop rotation. Soil Biology and Biochemistry. 42: 2111-2118.

Zhang, W, Li, Y, Qian, G., Wang, Y., Chen, H., Li, Y., Liu, F., Shen,Y., and Du, L. 2011. Identification and characterization of the anti-MRSA WAP-8294A2 biosynthetic gene cluster from Lysobacter enzymogenes OH11. Antimicrob. Agents Chemother.

Zeng, W., Kirk, W., Wang, D., and Hao, J. J. 2011. Field management of Sclerotinia stem rot of soybean using biological control agents. Biological Control. DOI: 10.1016/j.biocontrol.2011.09.012

Zeng, W., Kirk, W., Wang, D., and Hao, J. J. 2011. Use of Coniothyrium minitans and other microorganisms for reducing Sclerotinia sclerotiorum. Biological Control. DOI: 10.1016/j.biocontrol.2011.10.009.



Extension Publications

Abawi, G. S., C. Petzoldt, and K. Moktan. 2011. Evaluation of cover crops for improving root health and yield of vegetables. The Empire State Fruit & Vegetable Expo, Syracuse, NY. Proceedings, 4 page summary.

Abawi, G. S., J. W. Ludwig, and K. Moktan. 2011. Pea root rot and results of variety evaluations. The Empire State Fruit & Vegetable Expo, Syracuse, NY. Proceedings, 4 page summary.

Abawi, G. S., T. Porch, and J. D. Kelly. 2011. Field and greenhouse evaluation of bean germplasm to root rot and other diseases in New York, 2010. Bean Improvement Cooperative 54: 142 - 143.

Alcala, A.C., Derie, M.L., Holmes, B., Gatch, E.W., Porter, L.D., Coffman, G., and du Toit, L.J. 201_. Evaluation of organic seed and drench treatments for damping-off in pea and sweet corn in Mount Vernon, WA, 2011. Plant Disease Management Reports 6: submitted Dec. 2011.

Alcala, A.C., Derie, M.L., Holmes, B., Gatch, E.W., Porter, L.D., Coffman, G., and du Toit, L.J. 201_. Evaluation of organic seed and drench treatments for damping-off in organic pea crops in the semi-arid Columbia Basin, Oregon and Washington, 2011. Plant Disease Management Reports 6: submitted Dec. 2011.

du Toit, L.J., Derie, M.L., Gatch, E.W., Alcala, A.C., Reed, K., and Holmes, B.J. 2011. Effect of agricultural limestone amendment on Fusarium wilt in a radish seed crop, 2010. Plant Disease Management Reports 5:ST001.

du Toit, L.J., Derie, M.L., Gatch, E.W., Brissey, L.M., and Holmes, B. 2011. Effect of agricultural limestone amendments on Fusarium and Verticillium wilts in a spinach seed crop, 2008. Plant Disease Management Reports 5:V117.

Dunn, A.R., Reiners, S. and Smart, C.D. 2011. Cornell Pepper Trials: Yield and Phytophthora Blight Tolerance. Hand out given at an organic pest control meeting and also at the vegetable breeders field day (August, 2011)

Dunn, A.R., Smart, C.D., Mazourek, M.M. and Lange, H.W. 2011. Update on Phytophthora Resistant Variety Trials. Proceedings of the 2011 Fruit and Vegetable Expo, Syracuse, NY.

Fisher, P., Meador, D., Parke, J., Wick, R., and Argo, W. 2011. Biological water quality. Greenhouse Management (Oct. 2011 issue) http://www.greenhousemanagementonline.com/gm1011-biological-water-quality-irrigation.aspx

Gatch, E.W., Derie, M.L., Brissey, L.M., Holmes, B.J., and du Toit, L.J. 2011. Effect of agricultural limestone amendments and nitrogen source on Fusarium wilt in a spinach seed crop, 2009. Plant Disease Management Reports 5:V118.

Griesbach, J.A., Parke, J. L., Chastagner, G.C., Grunwald, N.J., Aguirre, J. 2011. Safe procurement and production manual: a systems approach for the production of healthy nursery stock. 95 pp. Oregon Association of Nurseries, Wilsonville, OR. http://oan.org/associations/4440/files/pdf/SafeProduction.pdf

Jones, L.A., Worobo, R.W. and Smart, C.D. 2011 Preliminary Results of Irrigation Water Sampling. Proceedings of the 2011 Fruit and Vegetable Expo, Syracuse, NY.

Kikkert, R. G., G. S. Abawi, and A. G. Tayler. 2011. Seedling establishment. Legume ipmPIPI Diagnostic Series, http://legume.ipmpipe.org

Koening, R., Paulitz, T.C., Schroeder, K.L., Carter, A., Pumphrey, M., Huggins, D. and Campbell, K. 2011. Soil acidity and aluminum toxicity in the Palouse region of the Pacific Northwest. Washington State University Extension Publication.

Lange, H.W. and Smart, C.D. 2011. Efficacy of fungicides for suppression of powdery mildew in acorn squash, 2010. Plant Dis. Mgt 5:V083 DOI:10.1094/PDMR05

Lange, H.W. and Smart, C.D. 2011. Evaluation of bactericides for the management of black rot on cabbage, 2010. Plant Dis. Mgt 5:V084 DOI:10.1094/PDMR05

Miles, E.J., Rangarajan, A. Smart C.D., and Reiners, S. 2010. Cover Crops for Use in Reducing Phytophthora Blight Damage to Bell Pepper (Capsicum annuum). Hortscience 45:S226.

Parke, J. 2011. A new approach to pests: research into systems approaches is yielding new tools for healthy plant production. Digger 55(8):155-160.

Parke, J. L. and Lewis, C. 2011. Protecting container-grown plants. Digger 55(2):41-45. http://www.oan.org/associations/4440/files/digger/Digger_FEB_2011_41-45.pdf

Seaman, A.J., Lange, H.W. and Smart, C.D. 2011. Efficacy of OMRI-Approved Pest Control Products. Handout for our organic pest control meeting. August 2011.

Smart, C.D. 2011. Tomato Diseases: What do I Have? Proceedings of the 2011 Fruit and Vegetable Expo, Syracuse, NY.

Smart, C.D. and Dillard, H.R. 2011. Phytophthora Blight: A New Disease of Snap Beans in NY. Proceedings of the 2011 Fruit and Vegetable Expo, Syracuse, NY.

Smart, C.D., Dunn, A.R., Jones, L.A. and Lange, H.W. 2011. Management Strategies for Phytophthora Blight. Proceedings of the Mid-Atlantic Fruit and Vegetable Convention (p. 81-82).

Smart, C.D., Dunn, A.R., Jones, L.A. and Lange, H.W. 2011. Prevention is Key: The best way to control Phytophthora blight is to stop the pathogen from showing up on your farm in the first place. American Vegetable Grower, June 2011 p. 10

Smart, C.D., Herman, M.A.B., Jones, L.A., and Lange, H.W. 2011. Managing bacterial speck and bacterial speck-like diseases on fresh market tomatoes in New York. Proceedings of the 26th annual Tomato Disease Workshop. October, 2011.

Wohleb, C.H., and du Toit, L.J. 2011. Bacterial diseases of phytosanitary significance for bean crops in Washington State. Washington State University Extension Fact Sheet FS038E, Pullman, WA.


Extension and Outreach Presentations

Becker, O. Sugar beet Research Meeting, Brawley/Holtville, CA, May 5, 2011. "Sugar beet cyst nematode in Southern California: new options for IPM" (invited presentation)

Becker, O. 22nd Annual Fall Desert Crops Workshop, El Centro, CA, November 29, 2011. "New Developments in Management of Plant Parasitic Nematodes." (invited presentation)

Becker, O. 50th Society of Nematologists Annual Meeting, Corvallis, OR, July 16-21, 2011. "Investigations into the relatedness of the nematophagous fungi Dactylella oviparasitica and ARF-L." (poster presentation)

Becker, O. CA Nematology Workgroup Meeting, UC Davis March 22, 2011. "Biorational and biological control of plant parasitic nematodes."

Becker, O. Joint Meeting of the 57th Annual Conference on Soilborne Plant Pathogens & 43rd Annual California Nematology Workshop, UC Davis, March 21-23, 2011. "Brachypodium: a new model system for plant parasitic nematodes."

Becker, O. Port of San Diego-UCCE IPM meeting, Chula Vista, CA, May 19, 2011. "Do soil amendments have activity against plant parasitic nematodes?" (invited presentation)

Becker, O. UCR Turf and Landscape Research Field day 2011, Riverside, CA, September 15, 2011. "A new root-knot nematode in Bentgrass." (invited presentation)

du Toit, L.J. 2011. Damping-off in carrot. Invited presentation, 35th Internat. Carrot Conf., 30 November  2 December 2011, Johannesburg, South Africa. (invited presentation)

du Toit, L.J. 2011. Fusarium and Verticillium in relation to spinach seed. Invited presentation at Rijk Zwaan Seed Co. headquarters, 5 October 2011, Delft, Holland. (invited presentation)

du Toit, L.J. 2011. Management of seedborne diseases. Pacific Northwest Vegetable Association Annual Conference & Trade Show, 16-17 November 2011, Kennewick, WA. http://www.pnva.org/

du Toit, L.J. 2011. Onion diseases of sporadic occurrence in the Columbia Basin. Pacific Northwest Vegetable Association Annual Conference & Trade Show, 16-17 November 2011, Kennewick, WA. http://www.pnva.org/

du Toit, L.J. 2011. Research on efficacy of organic seed treatments for fungal pathogens: Spinach as a case study. Invited presentation at American Seed Trade Association Organic Seed Workshop, Phytosanitary Measures for Organic or Untreated Seed Sold to Mexico, 20 October 2011, Merida, Mexico. (invited presentation)

du Toit, L.J. 2011. Rhizoctonia in onion bulb crops: Evaluation of field management practices. Pacific Northwest Vegetable Association Annual Conference & Trade Show, 16-17 November 2011, Kennewick, WA. http://www.pnva.org/

du Toit, L.J. 2011. Selecting a spinach seed health assay for Verticillium: Results of an ISHI ring test. International Spinach Conference, 3-4 October 2011, Amsterdam, The Netherlands (paper). (invited presentation)

du Toit, L.J. 2011. Through the looking glass: Perspectives from a sabbatical in South Africa. Seminar presented to WSU Dept. of Plant Pathology, 26 October 2011, Pullman, WA.
Owen, J., Parke, J. and Fisher, P., Workshop Co-organizers: Water Management for Floriculture and Nursery Crops, Wilsonville and Aurora, OR. Feb. 2-3, 2011. Sponsored by Oregon State University and the Water Education Alliance for Horticulture, University of Florida. 50 participants. Workshop Co-organized

Parke, J. 2011. A systems approach for managing diseases in nurseries. Oktoberpest Workshop, N. Willamette Research and Extension Center, Oct. 17, 2011. 40 attendees.

Parke, J. Biology of Waterborne Pathogens. Water Management for Floriculture and Nursery Crops, Wilsonville and Aurora, OR, Feb. 2-3, 2011. 50 attendees.

Parke, J. Testing Water for Phytophthora. Water Management for Floriculture and Nursery Crops, Wilsonville and Aurora, OR, Feb. 2-3, 2011. 50 attendees.

Parke, J. L. 2011. A systems approach for managing Phytophthora diseases in nurseries: the importance of water. Water Education Alliance for Horticulture Webinar, Dec. 13, 2011 archived at: www.watereducationalliance.org/video.asp . 51 attendees (international audience). A webinar.

Parke, J. L. 2011. Forest Phytophthoras of the World www.ForestPhytophthoras.org A new website.

Paulitz, T.C. 2011. Nematodes: Symptoms and Management. Presented to the Asotin County Extension Grower Workshop, Clarkeston, WA, Dec. 17, 2011.

Paulitz, T.C. 2011. Root Disease Research at USDA-ARS, Pullman-Whats New? Spokane Farm Forum, Feb. 2011. (invited presentation)

Paulitz, T.C. 2011. Soilborne Pathogens in Wheat- Fusarium, Rhizoctonia, and Cereal Cyst Nematode. Nez Perce County Grower Workshop, Lewiston, ID, Oct. 18, 2011.

Paulitz, T.C. and Schroeder, K. 2011. invited seminar Rhizoctonia root rot of cereals: a complex picture at Global Forum on Root Health, West Palm Beach, FL, Feb. 21-24, 2011. (invited presentation)

Paulitz, T.C. and Schroeder, K.L. Cook Agronomy Farm Field Day, Pullman, WA, June 23, 2011.

Paulitz, T.C. and Schroeder, K.L. Crop Disease Clinic, Spillman Farm, Pullman, WA, July 6, 2011.

Paulitz, T.C. Conservation agriculture workshop at CIMMYT, El Batan, Mexico, June 13-18, 2011. Laying the ground for sustainable and productive cropping systems. Gave 6 lectures and training sessions. (invited presentation)

Schroeder, K.L. and Paulitz, T.C. Gave invited seminar on Rhizoctonia to Syngenta Seedcare meeting, Spokane, WA July 12-14. (invited presentation)

Schroeder, K.L. Fairfield Field Day, Fairfield and Rockford, WA, June 21, 2011.

01/25/2013

Refereed Publications and Abstracts


Abawi, G. S., K. Moktan, C. Stewart, R. Hadad, and C. Hoepting. 2012. Current status of the bloat nematode on garlic in New York. Journal of Nematology 44: (in-press). Poster presented at the SON Annual meeting held in Savannah, GA during August 12  15, 2012.

Balaji, V. and Smart, C.D. 2012. Over-expression of snaking-2 and extension-like protein genes restricts pathogen invasiveness and enhances tolerance to Clavibacter michiganensis subsp. michiganensis in transgenic tomato (Solanum lycopersicum). Transgenic Research 21:23-37.

Becker, J.O., A. Ploeg, and J. Nunez 2012. Evaluation of novel products for root knot nematode management in tomato, 2011. Plant Disease Management Report No. 6:N016.

Cai, G., Restrept, S., Myers, K.L., Zuluaga, P., Danies, G. Smart, C.D. and Fry, W.E. 2013. Gene profiling in partially resistant and susceptible near-isogenic tomatoes in response to late blight in the field. Molecular Plant Pathology in press.

Dunn, A.R. and Smart, C.D. 2012. Monitoring changes in population structure of an isolated research population of Phytophthora capsici. Phytopathology 102:S4.32 (abstract).

Escobar, C., and Hao, J. 2012. Assessing biological control agents and their fungicide sensitivities for potential integrated management of Sclerotinia stem rot in soybean. Phytopathology 102:S5.4. (Abstract)

Fry, W.E., McGrath, M.T., Seaman, A., Zitter, T.A., McLeod, A., Danies, G., Small, I.M., Myers, K., Everts, K., Gevens, A.J., Gugino, B.K., Johnson, S.B., Judelson, H., Ristaino, J., Roberts, P., Secor, G., Seebold, K., Snover-Clift, K., Wyenandt, A., Grunwald, N.J., and Smart, C.D. 2013. The 2009 late blight pandemic in Eastern USA  causes and results. Plant Disease in press.

Gachango, E., Hanson, L. E., Rojas, A., Hao, J. J., and Kirk, W. W. 2012. Fusarium spp. causing dry rot of seed potato tubers in Michigan and their sensitivity to fungicides. Plant Disease. Accepted.

Hao, J. J., Donis-Gonzalez, I. R., Jiang, H. H., and Fulbright, D. W. 2012. Antimicrobial activity in chestnut tissues corresponding with flavonol glycoside and terpenoid substances. The 5th International Chestnut Symposium. Shepherdstown, WV. Sep. 4 to 8. (abstract)

Jiang, H. H., Meng, Q., Hanson, L. E., and Hao, J. J. 2012. First report of Streptomyces stelliscabiei causing potato common scab in Michigan. Plant Disease 96:904.

Jones, L.A., Worobo, R.W. and Smart, C.D. 2012. Oomycete and bacterial pathogens in New York surface irrigation water: Survey results and ultraviolet treatment. Phytopathology 102:S4.60 (abstract).

Jones LA, Worobo RW, and Smart CD. 2012. Ultraviolet Treatment of Pathogens in Surface Irrigation Water. Abstracts of the Human Pathogens on Plants Workshop p17-18 (abstract).

Kim, S.-D., De La Fuente, L., Weller, D. M., and Thomashow, L. S. 2012. Colonizing ability of Pseudomonas fluorescens 2112, among collections of 2,4-diacetylphloroglucinol-producing Pseudomonas fluorescens spp. in pea rhizosphere. Journal of Microbiology and Biotechnology 22:763-770.

Kwak Y-S, Bonsall RF, Okubara PA, Paulitz TC, Thomashow LS, Weller DM (2012) Factors impacting the activity of 2,4-diacetylphloroglucinol-producing Pseudomonas fluorescens against take-all of wheat. Soil Biol Biochem 54: 48-56.

Lee, H., Ullrich, S. E., Burke, I. C., Yenish, J. and Paulitz, T. C. 2012. Interactions between the root pathogen Rhizoctonia solani AG-8 and acetolactate-synthase-inhibiting herbicides in barley. Pest Management Science 68 :845-852.

Lange, H.W. and Smart, C.D. 2012. Evaluating efficacy of black rot control caused by Xanthomonas campestris pv. campestris in greenhouse transplant production. Phytopathology 102:S4.66 (abstract)

Liebhold, A. M., Brockerhoff, E. G., Garrett, L. J., Parke, J. L., and Britton, K. O. 2012. Live plant imports: the major pathway for forest insect and pathogen invasions of the US. Frontiers in Ecology and the Environment 10: 135143. http://dx.doi.org/10.1890/110198

Loper JE, Hassan KA, Mavrodi DV, Davis EW, Lim CK, Shaffer BT, Elbourne LDH, Stockwell VO, Hartney SL, Breakwell K, Henkels MD, Tetu SG, Rangel LI, Kidarsa TA, Wilson NL, van Mortel JE, Song C, Blumhagen R, Radune D, Hostetler JB, Brinkac LM, Durkin SA, Kluepfel DA, Wechter PW, Anderson AJ, Kim YC, Pierson LS, Pierson EA, Lindow SE, Kobayashi DY, Raaijmakers JM, Weller DM, Thomashow LS, Allen AE, and Paulsen IT 2012. Comparative genomics of plant-associated Pseudomonas spp: insights into diversity and inheritance of traits involved in multitrophic interactions. PLoS Genetics 8: e1002784
Lu, X. H., Davis, R. Michael, Livingston, S., Nunez, J. J., Hao, J. J. 2012. Fungicide sensitivity of Pythium species associated with cavity spot of carrot in California and Michigan. Plant Disease 96:384-388.

Maketon C, Fortuna A-M, Okubara PA 2012. Cultivar-dependent transcript accumulation in wheat roots colonized by Pseudomonas fluorescens Q8r1-96 wild type and mutant strains. Biol Cont 60: 216-224.

Mastouri, F., T. Bjorkman and G. E. Harman, 2012. Trichoderma harzianum strain T22 enhances antioxidant defense of tomato seedlings and resistance to water deficit. Molec. Plant Microbe Interact. 25, 1264-1271.

Mavrodi DV, Mavrodi OV, Parejko JA, Bonsall RF, Kwak Y-S, Paulitz TC, Thomashow LS, and Weller DM 2012. Accumulation of the antibiotic phenazine-1-carboxylic acid in the rhizosphere of dryland cereals. Applied and Environmental Microbiology 78: 804-812
Mavrodi OV, Mavrodi DV, Parejko JA, Thomashow LS, and Weller DM 2012. Irrigation differentially impacts populations of indigenous antibiotic-producing Pseudomonas spp. in the rhizosphere of wheat. Applied and Environmental Microbiology 78: 3214-3220 highlighted in the June 2012 issue of Microbe magazine published by the American Society for Microbiology.
Mavrodi OV, Walter N, Elateek S, Taylor CG, Okubara PA 2012. Suppression of Rhizoctonia and Pythium root rot of wheat by new strains of Pseudomonas. Biol Cont 62: 93102

Mavrodi, D. V., Mavrodi, O. V., Parejko, J. A., Bonsall, R. F., Kwak, Y. S. Paulitz, T. C., Thomashow, L. S. and Weller, D. M. 2012. Accumulation of the antibiotic phenazine-1-carboxylic acid in the rhizosphere of dryland cereals. Applied and Environmental Microbiology 78: 804-812.

Meng, Q. Yin, J. F., Rosenzweig, N., Douches, D., and Hao, J. J. 2012. Culture-based assessment of microbial communities in soil suppressive to potato common scab. Plant Disease 96: 712-717.

Meng, Q., Jiang, H. H., Hanson, L. E., and Hao, J. J. 2012. Characterizing a novel strain of Bacillus amyloliquefaciens BAC03 for potential biological control application. Journal of Applied Microbiology. Journal of Applied Microbiology 113: 1165-1175.

Parejko JA, Mavrodi DV, Mavrodi OV, Weller DM, and Thomashow LS 2012. Population structure and diversity of phenazine-1-carboxylic acid producing fluorescent Pseudomonas spp. from dryland cereal fields of central Washington State (USA). Microbial Ecology 64: 226-241

Parke, J. L. and N. J. Grünwald. 2012. A systems approach for management of pests and pathogens of nursery crops. Plant Dis. 96:1236-1244. http://dx.doi.org/10.1094/PDIS-11-11-0986-FE
Paulitz, T. C., Cook, R. J., Campbell, K.G. and Poole, G. 2012. Fusarium crown rot research in the Pacific Northwest of the United States: A half a century of discoveries. Pg. 11. Proceedings of the First International Crown Rot Workshop for Wheat Improvement, Oct. 22-23, 2012. Narrabri, New South Wales, Australia.
Ploeg, A., J.O. Becker, and J. Nunez 2011. Integrated control of root-knot nematodes in California carrot. J. Nematology 43: 271. (abstract).

Pokharel, R. R., G. S. Abawi, and J. M. Duxbury. 2011. Greenhouse evaluation of rice and wheat germplasms for resistance to Meloidogyne graminicola with comments on evaluation indices and proposal of a new one. Nematologia Mediterranea 39: 157  168.

Poole, G. J., Erginbas, G., Smiley, R. W., Campbell, K. G. and Paulitz, T. C. 2012. Inoculation methods to assay wheat seedlings for resistance to Fusarium crown rot in a controlled environment. Pg. 39. Proceedings of the First International Crown Rot Workshop for Wheat Improvement, Oct. 22-23, 2012. Narrabri, New South Wales, Australia.
Poole, G. J., Smiley, R. W., Paulitz, T. C, and Campbell, K. G. 2012. Identifying QTL for Fusarium crown resistance (F. pseudograminearum) in field, terrace, and growthroom screen environments. Pg. 49. Proceedings of the First International Crown Rot Workshop for Wheat Improvement, Oct. 22-23, 2012. Narrabri, New South Wales, Australia.

Poole, G. J., Smiley, R. W., Paulitz, T. C., Walker, C. A., Carter, A. H., See, D. R. and Garland-Campbell, K. 2012. Identification of quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in multiple assay environments in the Pacific Northwestern US. Theoretical and Applied Genetics 125: 91-107.

Poole, G. J., Smiley, R. W., Walker, C. A., Campbell, K. G., and Paulitz, T. C. 2012. Distribution of Fusarium spp. causing crown rot in the Pacific Northwest. Pg. 22. Proceedings of the First International Crown Rot Workshop for Wheat Improvement, Oct. 22-23, 2012. Narrabri, New South Wales, Australia.

Rosenzweig, N., Lu, X. H., Jiang, H., and Hao, J. 2012. Multigene analysis of Pythium species causing carrot cavity spot in California and Michigan. Phytopathology 102:S4.102. (abstract)

Rosenzweig, N., Tiedje, J., Quensen III, J. Meng, Q., and Hao, J. J. 2012. Microbial communities associated with potato common scab suppressive soil determined by pyrosequencing analyses. Plant Disease 96: 718-725. The Editors Pick.

Schroeder, K. L. and Paulitz, T. C. 2012. First Report of a Ceratobasidium sp. causing root rot on canola in Washington State. Plant Disease 96: 591.

Schroeder, K. L. and Paulitz, T. C. 2012. First report of root rot caused by Rhizoctonia solani AG-10 on canola in Washington State. Plant Disease 96: 584.

Smith Becker, J., J. Yang, J. Borneman, P. Timper, R.R. Riggs, and J.O. Becker 2011. Investigations into the relatedness of the nematophagous fungi Dactylella oviparasitica and ARF-L. J. Nematology 43: 228. (abstract)

Sanogo, S., and Ji, P. 2012. Integrated management of Phytophthora capsici on solanaceous and cucurbitaceous crops: current status, gaps in knowledge, and research needs. Canadian Journal of Plant Pathology 34: 479492.

Sanogo, S., Roth, B., Liess, L., and Grover, K. 2012. Effect of two soil inoculants on seed germination and infection of chile seedlings by Phytophthora capsici. Phytopathology 102:S6.12 (abstract)

Sanogo, S., and Schaub, T. 2012. Evidence of inhibitory volatiles of London rocket and flixweed against three soilborne pathogens of chile pepper. Phytopathology 102:S6.12 (abstract).

Summers, C.F., Smart, C.D., McSpadden Gardener, B.B., Everts, K.L., Dunn, A.R. and Park, S. 2012. The impact of mixed-species cover crops on rhizosphere pathogens of organically managed tomato crops in New York, Ohio, and Maryland. Phytopathology 102:S4.115 (abstract)

Tancos, M.A., Small, I.M., Fry, W.E., and Smart, C.D. 2012. Early detection of airborne inoculum from wind-disseminated oomycetes. Phytopathology 102:S4.118 (abstract)

Watanabe, K., M. Matsui, H. Honjo, J.O. Becker, and R. Fukui 2011. Effects of soil pH on Rhizoctonia damping-off of sugar beet and disease suppression induced by soil amendment with crop residues. Plant Soil 347:255-268.

Weerakoon, D. M. N., Reardon, C. L., Paulitz, T. C., Izzo, A. D. and Mazzola, M. 2012. Long-term suppression of Pythium abappressorium induced by Brassica juncea seed meal amendment is biologically mediated. Soil Biology and Biochemistry 51: 44-52.

Weller DM, Mavrodi DV, van Pelt JA, Pieterse CMJ, van Loon LC, and Bakker PAHM 2012. Induced systemic resistance in Arabidopsis thaliana against Pseudomonas syringae pv. tomato by 2,4-diacetylphloroglucinol-producing Pseudomonas fluorescens. Phytopathology 102: 403-412

Weller DM, Paulitz TC, Mavrodi DV, Mavrodi OV, Parejko JA, and Thomashow LS. Changing management practices and the environment: Impact on soilborne pathogens and biological control. pp 3-9 In: I Pertot, Y Elad, C Gessler, and A Cini (eds). Biological Control of Fungal and Bacterial Plant Pathogens. IOBC/WPRS Bulletin, Vol 78, Graz, Austria, 2012

Wen, L., G. L. Hartman, and D. M. Eastburn. 2012. Suppression of soybean diseases through the use of cover crops. Phytopathology 102:S4.134. (abstract)

Westphal, A., A. Pyrowolakis, R.A. Sikora, and J.O. Becker 2011. Occurrence of soil suppressiveness against Heterodera schachtii in California cropping areas. Nematropica 41:161-171.

Witte, H., A. Ploeg, S. Subbotin, I. DeLey, J. Smith Becker, and J.O. Becker 2011. Observations on a root-knot nematode in Coachella Valley turf. J. Nematology 43: 294. (abstract)

Wong, M-Y and Smart, C.D. 2012. A new application using a chromogenic assay in a plant pathogen DNA macroarray detection system. Plant Disease 96: 1365-1371.

Yang, J., S. Benecke, D.R. Jeske, F. Rocha, J. Smith-Becker, P. Timper, J.O. Becker, and J. Borneman 2012. Population dynamics of Dactylella oviparasitica and Heterodera schachtii: toward a decision model for sugar beet planting. Journal of Nematology 44:237-244.

Yang, JI, Loffredo, A., Borneman, J, Becker, JO. 2012. Biocontrol efficacy among strains of Pochonia chlamydosporia obtained from a root-knot nematode suppressive soil. Journal of Nematology 44:6771.

Yang, Jiue-in, Paul M. Ruegger, Michael V. McKenry, J. Ole Becker and James Borneman. 2012. Correlations between root-associated microorganisms and peach replant disease symptoms in a California soil. PLoS One 7:e46420.


Extension and Technical Publications

Abawi, G. S. and K. Moktan. 2012. Improve crop yield and get on your fields quicker with good soil management. Empire State Fruit and Vegetable Expo, Syracuse, NY. Proceedings, 3 pp.

Abawi, G. S. and K. Moktan. 2012. Vegetable disease control and the impact of soil health management practices. Empire State Fruit and Vegetable Expo, Syracuse, NY. Proceedings, 3 pp.

Abawi, G. S., C. Petzoldt, and K. Moktan. 2012. Practical ways to assess and manage soil health for disease control and improved yield. Great Lakes Expo, MSU Extension Proceedings, 3 pp, December 4  6, 2012; Grand Rapid, MI.

Becker, J.O. 2010. Carrot Seed Treated with Nematicides: A New Plant Protection Tool? Carrot County 18 (1):8-9.

Becker, J.O., A. Ploeg, and J. Nunez 2012. Evaluation of novel nematicides for management of root-knot nematodes. California Tomato Research Institute - 2011 Annual Report 105-110.

Becker, J.O., and A. Ploeg 2012. Evaluation of novel nematicides to mitigate root-knot nematode damage in carrot production. CA Fresh Carrot Advisory Board Annual Report 2011, pp. 7-14.
Dick, M. and Parke, J. 2012. Phytophthora kernoviae. Forest Phythophthoras 2: (in press)
Dunn, A.R. and Smart, C.D. 2012. Fungicide resistance found in Phytophthora blight isolates from Western New York. Veg Edge newsletter April 2012.

Dunn, A.R., Smart, C.D., Reiners, S. and Mazoruek, M. 2012. Comparing yield and disease incidence among Phytophthora tolerant sweet peppers. Proceedings of the 2012 New York Fruit and Vegetable Expo, Syracuse, NY. On-line at http://www.hort.cornell.edu/expo/proceedings.php

Griesbach, J.A., Parke, J. L., Chastagner, G.C., Grunwald, N.J., Aguirre, J. 2012. (2nd ed.) Safe procurement and production manual: a systems approach for the production of healthy nursery stock. 105 pp. Oregon Association of Nurseries, Wilsonville, OR. http://oan.org/associations/4440/files/pdf/SafeProduction.pdf

Hulbert, S., Guy, S., Pan, W., Paulitz, T. Schillinger, W. and Sowers, K. 2012. Camelina Production in the Dryland Pacific Northwest. Washington State University Extension Publication. FS073E. June, 2012.

Jones, L.A., Worobo, R. and Smart, C.D. 2012. Testing for pathogens in irrigation water. Proceedings of the Mid-Atlantic Fruit and Vegetable Convention.

Koening, R., Paulitz, T.C., Schroeder, K.L., Carter, A., Pumphrey, M., Huggins, D. and Campbell, K. 2011. Soil acidity and aluminum toxicity in the Palouse region of the Pacific Northwest. Washington State University Extension Publication. FS050E. October, 2011.

Lange, H.W., Smart, C.D., and Seaman, A.J. 2012. Evaluation of fungicides allowed for organic production on powdery mildew of zucchini, 2011. Plant Disease Management Reports (online) Report 6:V104.DOI:10.1094/PDMR06

Lange, H.W., Smart, C.D., and Seaman, A.J. 2012. Evaluation of fungicides allowed for organic production on downy mildew of cucumber, 2011. Plant Disease Management Reports (online) Report 6:V103.DOI:10.1094/PDMR06.

Lange, H.W., Smart, C.D., and Seaman, A.J. 2012. Evaluation of fungicides allowed for organic production on foliar diseases of tomato, 2011. Plant Disease Management Reports (online) Report 6:V105.DOI:10.1094/PDMR06.

Lange, H.W. and Smart, C.D. 2012. Evaluation of plant defense activators and bactericides for the control of black rot on cabbage, 2011. Plant Disease Management Reports (online) Report 6:V106.DOI:10.1094/PDMR06

Okubara P, Schroeder K, Paulitz, T, Chen W 2012. What lurks beneath, unraveling the mysteries of Rhizoctonia and Pythium. Wheat Life, November issue.

Okubara PA, Yan G, Smiley RW 2012. Molecular Diagnostics for Plant-Parasitic Nematodes in the Pacific Northwest. 2012 Dryland Field Day Abstracts, Technical Report 12-1, p. 34.

Parke, J. and Fisher, P. 2012. Treating irrigation water to eliminate water molds. Pages 5-47 through 5-49 in: Pacific Northwest Plant Disease Management Handbook (J. W. Pscheidt and C. M. Ocamb, eds.) A Pacific Northwest Extension Publication (Oregon State University, Washington State University, and University of Idaho). Online at: http://pnwhandbooks.org/plantdisease/pesticide-articles/treating-irrigation-water-eliminate-water-molds

Paulitz, T. C., Elling, A., Garland-Campbell, K. and Smiley, R. 2012. Rooting out the problems: Unseen nematodes take a visible bite out of profits. Wheat Life: July, 2012.

Ploeg, A., O. Becker, and J. Nunez 2010. Use of cruciferous cover crops and seed coating to manage root-knot nematode in carrot. 2009 California Fresh Carrot Advisory Board Annual Report. pp. 71-78.

Ploeg, A., O. Becker, and J. Nunez 2011. Use of cruciferous cover crops and seed coating to manage root-knot nematode in carrot. 2010 California Fresh Carrot Advisory Board Annual Report. pp. 93-99.

Ploeg, A., O. Becker, and J. Nunez 2012. Use of mustard seed meal and carrot seed coating to manage root-knot nematodes in carrot. 2011 Annual Report California Fresh Carrot Advisory Board. pp. 47-51.

Smart, C.D. and Hansen, Z. 2012. 2012 Trial of late blight resistance in tomato varieties. Veg Edge newsletter November 2012  reprinted in other newsletters.

Smart, C.D. 2012. Cultivating cole crops; Diseases of cole crops. Handout for Cultivating Cole Crops Workshop, and reprinted in newsletters (March 2012)

Smiley, R., Marshall, J. and Paulitz, T. 2012. Cereal Cyst Nematode Tolerance and Resistance in Spring Wheat. Grower publication- Oct. 9, 2012

Smiley, R., Paulitz, T. C. and Marshall, J. 2012. Controlling Root and Crown Diseases of Small Grain Cereals. Extension Bulletin PNW 639.



Extension and Outreach Presentations


Becker, J.O. Vegetable crop update meeting, UC West Side Research and Extension Center, Five Points, December 4, 2012. "Root-knot disease on vegetables and their causal agents." (invited hands-on demonstrations).

Becker, J. O. Vegetable crop update meeting, UC West Side Research and Extension Center, Five Points, December 4, 2012. "Biological, biorational and conventional nematicides: New tools for management of plant parasitic nematodes?" (invited presentation)

Becker, J. O. California Association of Pest Control Advisers Ventura Entomology Meeting, Santa Paula, CA, November 14, 2012. "New leads in plant parasitic nematode management and disease control". (invited presentation)

Becker, J. O .California Association of Pest Control Advisers Ventura Entomology Meeting, Santa Paula, CA, November 14, 2012. "Root-knot nematodes and their disease symptoms on various crops." (invited "show & tell" presentation)

Ploeg, A and Becker, J. O. Agrochemical Industry Nematology Training Session, UC South Coast Research and Extension Center, Irvine, CA, Oct. 24, 2012. "Research techniques for Greenhouse and Field Evaluations of Biological and Chemical Tools against Plant Parasitic Nematodes." (workshop with A. Ploeg)

Becker, J. O. Progressive Farmers Meeting/University of California Cooperative Extension, Blythe, CA, Oct. 18, 2012. "New tools for the management of plant parasitic nematodes." (invited presentation)

Becker, J. O. Botany & Plant Sciences Seminar BPS250 F2012, UC Riverside, October 17, 2012. Soils suppressive to plant parasitic nematodes (invited presentation)

Becker, J. O. Environmental Horticulture Meeting, Irvine, CA, Oct 3-4, 2012. "A root-knot nematode in Coachella turf: A wimpy pathogen?" (presentation)

Becker, J. O. Statewide CA Nematology Workgroup, Huntington Gardens, San Marino, CA, March 20. "Update on current research and outreach activities." (presentation)

Becker, J. O. Soilborne Pathogens Conference/CA Nematology Workshop, Huntington Gardens, March 20-22. "Novel nematicides in processing tomatoes." (presentation)

Becker, J. O. and Ploeg, A. Carrot Production Research Meeting, Bakersfield, March 8, 2012. "Evaluation of new nematicides in carrot production." (invited presentation)

Becker, J. O. Pesticide Applicators Professional Association Seminar, El Centro, February 16, 2012. "Root-knot nematodes in carrot production: Evaluation of novel IPM strategies." (invited presentation)

Becker, J. O. California Sugar Beet Industry Research Meeting, Holtville, CA, January 10, 2012. "Novel chemical, biorational and biological tools for plant parasitic nematode management." (invited presentation)

Becker, J. O. Turfgrass and Landscape Institute, Etiwanda Gardens, Rancho Cucamonga, CA, December 14, 2011. "Soil Amendments for Managing Plant Parasitic Nematodes: Theory and Practice." (invited presentation)

Escobar, C., and Hao, J. 2012. Assessing biological control agents and their fungicide sensitivities for potential integrated management of Sclerotinia stem rot in soybean. Wooster, OH, Jun. 13-14.

Hao, J. 2012. Report to Midwest Nut Producers Council Annual Meeting. Clarksville,
MI. Feb. 25.

Hao, J. 2012 Antimicrobial activity in chestnut tissues corresponding with flavonol glycoside and terpenoid substances. 5th International Chestnut Symposium, National Conservation Training Center, Shepherdstown, WV. Sep. 6, 2012.

Hao, J. 2012 Management of soilborne plant diseases. Beijing Plant Protection Station, Beijing, China, Jun. 5

Hao, J. 2012 Report to Michigan Potato Industry Commission Field Day. Montcalm, MI. Aug. 9.

Hao, J. 2012 Soil microbial community and soilborne diseases. China Agricultural University, Beijing, China, May 31.

Hao, J. 2012. Annual report to USDA W-2147 program (Managing Plant Microbe Interactions in Soil to Promote Sustainable Agriculture). Riverside, CA. Dec. 6.

Hao, J. 2012. Annual research report to Michigan Potato Industry Commission. East Lansing, MI. Jan. 12.

Hao, J. 2012. Annual research report to Michigan Soybean Promotion Committee. East Lansing, MI. Jan. 25.

Hao, J. 2012. Biological control agent BAC03 on controlling potato common scab. Nanjing Agricultural University, Nanjing, China, May 28.

Hao, J. 2012. Microbial community in soil suppressive to potato common scab. Chinese Academy of Institution and Quarantine, Beijing, China, Jun. 5

Hao, J. 2012. Report to Michigan Soybean Promotion Committee Field Day. East Lansing, MI. Aug. 18.

Hao, J. 2012. Soil microbial community analysis in soilborne disease management. Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China, Jun. 6.

Hao, J. J., Donis-Gonzalez, I. R., Jiang, H. H., and Fulbright, D. W. 2012. Antimicrobial activity in chestnut tissues corresponding with flavonol glycoside and terpenoid substances. The 5th International Chestnut Symposium. Shepherdstown, WV. Sep. 4 to 8.


Okubara PA, Mavrodi O, Maketon C, Walter N, Aly H, Taylor CG 2012. Pseudomonas-based approaches for suppression of soilborne pathogens and pests. 2nd ISBioPEN Symposium Proceedings, Bangkok, Thailand, September 24-25, 2012.

Okubara, P. A. 2012. Wheat Root Defense Gene Induction by Biocontrol Pseudomonas fluorescens. American Phytopathological Society-Pacific Division, Sacramento, CA, June 29, 2012.

Okubara, P. A. Molecular Strategies for Controlling Necrotrophic Soilborne Pathogens of Wheat. Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, May 22, 2012.

Parke, J. A. Systems approach for management of nursery diseases and pests. NW Ag Show, Portland, OR. Jan. 26, 2012. 55 participants.

Parke, J. Biology and treatment of water molds in recycled irrigation water. University of California Nursery and Floriculture Alliance. Nursery/Floriculture Disease Management Symposium. Oct. 25, 2012. Watsonville, CA. 100 participants.

Parke. J. A. Systems approach for managing diseases of ornamentals: theory and practice. University of California Nursery and Floriculture Alliance. Nursery/Floriculture Disease Management Symposium. Oct. 25, 2012. Watsonville, CA. 100 participants.

Paulitz, T. C. 2012. Management of Root Diseases of Wheat Under No-Till Agriculture in the Pacific Northwest Rhizoctonia: A Case Study. Department of Agriculture and Food Western Australia, Perth, WA Australia Nov. 27, 2012.

Paulitz, T. C. 2012. Management of Root Diseases of Wheat Under No-Till Agriculture in the Pacific Northwest Rhizoctonia: A Case Study.. Nanjing Agriculture University and Huazhong Agriculture University in Wuhan, May 15-26.

Paulitz, T. C. 2012. Canola Diseases Oilseed Crop Production Workshop, Colfax, WA. Jan. 26, 2012

Paulitz, T. C. 2012. Management of Fresh Wheat Residue for Irrigated Winter Canola Production. Department of Ecology, Washington State, Ag Burning Task Force. Spokane, WA. Feb. 7, 2012.

Paulitz, T. C. 2012. The Role of Microbial Communities in the Natural Suppression of Rhizoctonia Bare Patch of Wheat in the USA and Australia. The 7th Australasian Soilborne Diseases Symposium, Freemantle, WA, Sept. 17-20, 2012

Paulitz, T. C. 2012. The Role of Microbial Communities in the Natural Suppression of Rhizoctonia Bare Patch of Wheat in the USA and Australia. CSIRO Floreat, Western Australia. Nov. 12, 2012

Paulitz, T. C. 2012. The Role of Microbial Communities in the Natural Suppression of Rhizoctonia Bare Patch of Wheat in the USA and Australia. CSIRO Canberra. ACT Nov. 21, 2012

Paulitz, T. C. 2012.The Role of Microbial Communities in the Natural Suppression of Rhizoctonia Bare Patch of Wheat in the USA and Australia. CSIRO Adelaide, South Australia Nov. 23, 2012.

Paulitz, T. C. Soilborne Pathogens in Wheat- Rhizoctonia and Cereal Cyst Nematode. Jan. 27, 2012, Walla Walla Growers, Walla Walla, WA

Paulitz, T.C. 2011. Nematodes: Symptoms and Management. Presented to the Asotin County Extension Grower Workshop, Clarkston, WA, Dec. 17, 2011.

Paulitz, T.C. 2011. Soilborne Pathogens in Wheat- Fusarium, Rhizoctonia, and Cereal Cyst Nematode. Nez Perce County Grower Workshop, Lewiston, ID, Oct. 18, 2011.

Paulitz, T.C. Root Disease Research at ARS Pullman-Whats New? Spokane Farm Forum, Ag Expo, Feb. 7, 2012

Ploeg, A and Becker, J. O. Agrochemical Industry Nematology Training Session, UC South Coast Research and Extension Center, Irvine, CA, Oct. 24, 2012. "Research techniques for Greenhouse and Field Evaluations of Biological and Chemical Tools against Plant Parasitic Nematodes." (workshop with A. Ploeg)

Rosenzweig, N., Lu, X. H., Jiang, H., and Hao, J. 2012. Multigene analysis of Pythium species causing carrot cavity spot in California and Michigan. APS Annual Meeting, Providence, RI, Aug. 4  8.

Schroeder, K. Canola Diseases. Far West Ag. Conference Dec. 11, 2012. Pasco, WA.

Schroeder, K. L. 2012. Rhizoctonia root rot of cereals: unraveling the disease complex. Commodity Classic, Nashville, TN. March 2, 2012.

Stanghellini, M. 2012. Biology and management of soil-borne root-infecting pathogens. AGRADIS, San Diego, California. July 31, 2012.

Stanghellini, M. 2012. Pythium brassicum: a novel family-specific root pathogen.
Soil Fungus Conference, March 21, 2012

Stanghellini, M. 2012. Update on ecology and biology of Monosporascus cannonballus Strokan-Hanes-McCaslin Foundation, June 24, 2012, San Marcos, California.

Weller, D. and Thomashow, L. 2012. Soil microbial changes with irrigation" WSU Lind Dryland Station Field Day, June, 14, 2012.

Witte, H. and Becker, J.O. Turf & Landscape Field Day, Agricultural Operations, UC Riverside, September 13, 2012. "Update on studies concerning Coachella Valley rot-knot nematodes." (invited presentation)



Websites maintained

Forest Phytophthoras of the World www.ForestPhytophthoras.org

Online Phytophthora Course: Training for Nursery Growers http://oregonstate.edu/instruct/dce/phytophthora/index.html

Graduate student theses supervised


Kandel, S. 2012. A survey of root lesion and cereal cyst nematodes in the dryland wheat production areas of Eastern Washington and resistance of Pacific Northwest wheat varieties. MSc thesis, Washington State University.

Leytem, A. B. Response of Striga-susceptible and Striga-resistant sorghum genotypes to soil phosphorus and colonization by an arbuscular mycorrhizal fungus. M.S. thesis, Oregon State University. 84 pp.

Shay, S. 2012. Viability and infective potential of Phytophthora pini zoospores in a recirculating irrigation system. M.S. thesis, Oregon State University. 85 pp.

Stamm, E.A. 2012. The effects of Phytophthora ramorum stem inoculation on aspects of tanoak physiology and xylem function in saplings and seedlings. M.S. thesis, Oregon State University. 80 pp.