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Refining and Validating a Fungicide Timing Model for Controlling Flyspeck on Apples in the Hudson Valley 1997

Project Leader: Dave Rosenberger


Validate the NY Flyspeck Model in at least six commercial orchards in the Hudson Valley, with orchards selected to provide a cross-section of probable disease pressure for flyspeck.


Tests were conducted in seven plots on four different commercial farms in the Hudson Valley and on additional plots in a research orchard at the Hudson Valley Laboratory. The NY Flyspeck Model allowed growers to eliminate one summer fungicide spray. Further evaluation is required before this spray-timing model can be recommended for commercial use.