SAES-422 Multistate Research Activity Accomplishments Report

Sections

Status: Approved

Basic Information

Participants

Terence Bradshaw, University of Vermont; Anne Fennell, South Dakota State University; Harlene Hatterman-Valenti, North Dakota State University; Jason Londo, Cornell University; Anna Katharine Mansfield, Cornell AgriTech; Renae Moran, University of Maine; Esmaeil Nasrollahiazar, Michigan State University; Bethany Pelletier, University of Vermont; Elsa Petit, University of Massachusetts, Amherst; Soon Li Teh, University of Minnesota

2025_NE2220_AnnualReport.docx

Accomplishments

Accomplishments

The NE-2220 meeting held November 4-5, 2025 convened members from 10 U.S. state  to further research activity on this  longstanding project. Attendees discussed and acted on project operations and procedures; deliberated on current and future trials; and planned to rewrite for the project that will be required for a 2026 submission.

 

Short-term outcomes: The meeting generated consensus on key initiatives, fostering a conducive environment for continued collaboration and progress within the NC140 community.

Outputs:

  • Discussion and planning of four future multi-state project trials spanning various fruit types and research focuses.
  • Updates on ongoing trials, including the 'Porter's Perfection' cider apple trial and the 2025 Peach rootstock X training system trial, among others.
  • Field tour of two orchards and one postharvest processor which highlighted the diversity of apple production in Vermont, including intensive production for wholesale markets using modern orchard systems; direct-retail production on productive, seventy year-old legacy trees on semistandard rootstocks; and postharvest (hard) cider processing and sales.d

Impacts

  1. 1. Over the years, NE-2220 trials have demonstrated significant benefits for grape and wine industries nationwide. Research has identified cultivars that enhance cumulative yield, fruit quality, and resilience to environmental stresses such as winter cold, frost, heat, and water limitations. These findings help growers select cultivars that optimize performance under local conditions, reducing risk and improving returns.
  2. 2. The NE-2220 project also evaluates emerging cultivars from breeding programs, giving growers a preview of future options before commercial release. This proactive approach ensures that vineyard systems remain competitive and adaptable.
  3. 3. The NE-2220 Annual Meeting served as a cornerstone for advancing collaborative research efforts in grape cultivation and management, fostering a dynamic exchange of ideas and expertise among participants.
  4. 4. Inclusion of diverse perspectives and research interests ensures the relevance and applicability of NE-2220's endeavors, ultimately contributing to the resilience and sustainability of orchard systems on a regional and national scale.

Grants, Contracts & Other Resources Obtained

Bradshaw, T. Evaluating systems components for orchard and vineyard crops in Vermont. Vermont Agriculture Experiment Station Hatch Grants Program, Oct 2020 -Sep 2025. $106,792. PI: T. Bradshaw

In the 2025 Missouri state budget, the state of Missouri made appropriations in HB2006 in the  amount of $3,000,000 for the University of Missouri Grape and Wine Institute Research Center  and Viticulture Facility. 

Publications

  1. Refereed Journal Articles

Abd El-Khalek, A.F.; Mazrou, Y.S.A.; Hatterman-Valenti, H.M.; Awadeen, A.A.; El-Mogy, S.M.M.; El-Kenawy, M.A.; Belal, B.E.A.; Mohamed, M.A.; Hassan, I.F.; El-Wakeel, H.F.; Makhlouf, A.H.; Omar, A.E.-D.; Alam-Eldein, S.M. (2024). Improvement in physiochemical characteristics of ‘Prime Seedless’ grapes by basal defoliation with foliar-sprayed low-biuret urea and cyanocobalamin under Mediterranean climate. Agronomy, 14, 815. https://doi.org/10.3390/agronomy14040815.

Adams, C. Schoelz, J., and D. Volenberg. 2026. Influence of grapevine virus infections on berry  yield and juice quality in Norton. Am J Enol Vitic. (in progress).

Daler, S.; Kilic, T.; Hatterman-Valenti, H.; Kaya, O. (2025). Graft compatibility of local grapevine varieties with grapevine rootstocks in Yozgat Province. Horticulturae, 11:7, 803. https://doi.org/10.3390/horticulturae11070803.

Daler, S.; Kaya, O.; Kilic, T.; Hajizadeh, H.S.; Bay, H.; Ates, F.; Yilmaz, T.; Hatterman-Valenti, H. (2025). Exogenous putrescine enhances lime stress tolerance in grapevine rootstock-scion combinations. BMC Plant Biology, 25:1, 854. https://doi.org/10.1186/s12870-025-06873-4.

Daler, S.; Kaya, O.; Canturk, S.; Korkmaz, N.; Kilic, T.; Karadag, A.; Hatterman-Valenti, H. (2025) Silicon nanoparticles (SiO2 NPs) boost drought tolerance in grapevines by enhancing some morphological, physiological, and biochemical traits. Plant Molecular Biology Reporter, 43:3, pp. 1057-1075. https://doi.org/10.1007/s11105-024-01520-y.

Kaya, O.; Karakus, S.; Ates, F.; Daler, S.; Hatterman-Valenti, H. (2025). Enhancing ‘Royal’ grape quality through a three-year investigation of soil management practices and organic amendments on berry biochemistry. Chemical and Biological Technologies in Agriculture, 12:1, 17. https://doi.org/10.1186/s40538-025-00733-x.

Kaya, O.; Karakus, S.; Bozkurt, A.; Canturk, S.; Yilmaz, T.; Hatterman-Valenti, H. (2025). Essential oil compounds and their impact on grape (Vitis vinifera L. cv. Narince) physiology under Botrytis cinerea infection. Physiological And Molecular Plant Pathology, 136, 102544. https://doi.org/10.1016/j.pmpp.2024.102544.

Kesen, O.; Yagci, A.; Hatterman-Valenti, H.; Kaya, O. (2025). Enhancing grape seed germination and seedling development through varietal responses to sodium nitroprusside and gibberellic acid applications. Horticulturae, 11:7, 754. https://doi.org/10.3390/horticulturae11070754.

Keskin, N.; Karakus, S.; Hatterman-Valenti, H.; Kaya, O.; Cavusoglu, S.; Tekin, O.; Kunter, B.; Keskin, S.; Kaya, A.C.; Karadogan, B. (2025) Modulation of biochemical traits in cold-stored 'Karaerik' grapes by different edible coatings. Horticulturae, 11:6, 672. https://doi.org/10.3390/horticulturae11060672.

Pelletier, B. and T. Bradshaw. 2024. Experience and understanding of concepts surrounding 'natural wine' in Vermont. Acta Hortic. 1387, 39-48 DOI: 10.17660/ActaHortic.2024.1387.6 https://doi.org/10.17660/ActaHortic.2024.1387.6

Pelletier, B. and T. Bradshaw. 2024. Biorational pesticide efficacy in northern New England vineyards. Acta Hortic. 1387, 269-276, DOI: 10.17660/ActaHortic.2024.1387.37 https://doi.org/10.17660/ActaHortic.2024.1387.37

Tarim, G.; Karakus, S.; Keskin, N.; Hatterman-Valenti, H.; Kaya, O. (2025). Timing matters, not just the treatment: phenological-stage-specific effects of seaweed and ethanol applications on postharvest quality of 'Tarsus Beyazı' grapes. Horticulturae, 11:6, 656. https://doi.org/10.3390/horticulturae11060656.

Wang, Z.; Svyantek, A.; Kadium, V.R.; Bogenrief, S.; Hatterman-Valenti, H. (2025). Different yeast strain effects on 'King of the North' wine chemical, chromatic, and descriptive sensory characteristics. Fermentation-Basel, 11:5, 262. https://doi.org/10.3390/fermentation11050262.
c. Non Refereed Technical Articles

Caspari, H., C. Bertin, G. Gardner, P. Goble, and R. Schumacher. 2025. Viticulture and enology programs for the Colorado wine industry – Annual Report, 1 Jul 2024 to 30 Jun 2025, Colorado Wine Industry Development Board. 15 Jul 2025.

  1. Murphy, S. Schoelmann, L. Ware, E. Petit. Spring 2022. Evaluation of American hybrid winegrape cultivars in a national trial vineyard in Massachusetts, USA. Fruit Notes.

Volenberg, D.S. and S. Sommer. 2025. Norton and Cynthiana: The proof is in the wine. Wine  Business Monthly. (Submitted and accepted).

Wimmer MK, Horton D, Teh SL (2024) The University of Minnesota grape breeding program: Decades of cultivation and adaptation to extreme climates. Wine Business Monthly – October 2024, pp. 44-49.

Teh SL (2025) Growing a legacy. University of Minnesota Arboretum Magazine – Spring 2025, pp. 10-

  1. Poster Presentations
    A. Jones and E. Petit. 2025. Evaluation of the use of biopesticide to reduce the use of conventional pesticides on American comparison of Frontenac and Chardonel. CAFE Summer Scholar Conference, UMass Amherst.
  2. Extension Publications and Popular Articles

UVM Extension Grape Website,  https://www.uvm.edu/extension/horticulture/grapes. Outreach website for viticulture-related horticultural and IPM information for commercial growers.

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