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Non-Chemical Control of Root Diseases in Greenhouse Grown Cucumbers 2003

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Project Leader: Judson Reid, CCE Educator, Yates County

Cooperators: Raymond Wenger-Yates County Greenhouse Grower; Helene Dillard, Ann Cobb, George Abawi, John Ludwig, Don Crosier- Department of Plant Pathology, NYSAES, Geneva; Jana Lamboy-IPM Extension Associate; Finger Lakes Produce Auction, Penn Yan.

Type of grant: Pheromones; biorationals; microbials; conventional pesticides

Project locations: NYSAES, Geneva, NY and Scenic View Farms, Ellis Rd. Dundee, NY. Findings could be applied nationally.

Abstract: Greenhouse production of vegetables in the Finger Lakes region of New York State is growing exponentially. Yates County alone has seen a 1700% increase in farms growing edible greenhouse crops over the last 6 years. Ontario, Seneca, Steuben and Orleans are showing dramatic growth. Immigration of Old Order communities of Mennonite and Amish families is responsible for this revitalization of agriculture. IPM is ideal for these greenhouses. Why?

The goal of this project was to evaluate several beneficial microbial products for controlling damping-off, a common disease in these systems. Under grower conditions none of the products performed acceptably. At the New York State Agriculture Experiment Station Hydrogen Dioxide provided some disease control but was not equal to a fungicide. Future research could look at using Hydrogen Dioxide in combination with a microbial as an alternative to fungicides.

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