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Project Leader(s): Anu Rangarajan, Dept.
of Horticulture, Cornell
Margaret Tuttle McGrath, Dept. of Plant Pathology,
Cornell
Cooperator(s): Ted Blomgren, Cornell
Cooperative Extension, Capital District
Alan Erb, CCE, Lake Plains Vegetable Program
Dale Moyer, CCE, Suffolk County
Type of grant: Demonstration and Implementation:
Pest Resistant Crops
Project location(s): Tompkins, Schoharie,
Niagara, Suffolk Counties
Abstract: The goal of this project was
to demonstrate and evaluate commercially available pepper cultivars for tolerance
to Phytophthora capsici crown and fruit rot. Some of the cultivars were
treated with a compound designed to enhance the ability of plants to resist
diseases, to see if disease tolerance or yield could be improved. Of the tested
cultivars, Paladin and Aristotle showed good tolerance to this disease, but
disease pressure this year was light. Yields and earliness were generally similar
across the 4 locations of testing, indicating that these varieties were fairly
stable in their performance and may be good candidates for use in fields where
the disease is problematic. Using Messenger, one crop stimulant, did not enhance
yield or disease resistance of these peppers. The added labor and expense for
application of this material could not be justifed through these experiments.
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