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Weather-driven Grape IPM Forecast Models and Decision Aids from the Network for Environmental and Weather Awareness 2009

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Project Leaders: J. Carroll, T. Weigle, NYS IPM

Cooperators: A. DeGaetano, Earth and Atmospheric Sciences, Cornell Univ.; et al.

Abstract: Our goal is to provide state-of-the-art, weather-driven grape IPM forecasts and viticulture decision aids to viticulture industries through the Network for Environment and Weather Awareness. In NY there are 31,000 acres of grapes producing 34million dollars worth of fruit, ranking third in grape production nationwide(2005 Ag Statistics). The grape industry has been estimated in creating3 billion dollars worth of economic impact in New York.

Objectives:

1) Grape IPM forecast models - Improve disease forecast output pages and test algorithms against grid sensors to predict leaf wetness; post insect models for research validation in NY; deploy downy mildew DMCast model for validation in Michigan; and provide disease models to Maryland Grape Growers Association.

2) Viticulture decision aids - Develop viticulture decision aides for evapotranspiration, cold temperature injury, vine phenology and harvest windows.