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Biological Control of Powdery Mildews of Greenhouse Ornamentals

Author
English-Loeb, Greg; Gadoury, David M.; Norton, Andrew P.
Abstract
The mycophagous mite, Orthortydeus lambi (Acari: Tydeidae) is very abundant on several woody perennial species found in New York (e.g. wild grape, Vitis riparia, ornamental linden, Tilia cordata, paper birch, Betula papyrifera), and we have demonstrated that this mite can effectively and dramatically reduce the incidence and severity of powdery mildew of grape, Uncinula nectator. Moreover, once established this mite offered continual control on grape in the presence of high inoculum pressure. We are examining the impact of O. lambi on powdery mildews of two common greenhouse floral crops grown in New York.
Description
NYS IPM Type: Project Report
Date Issued
1998Publisher
New York State Integrated Pest Management Program
Subject
Agricultural IPM; Ornamentals; Greenhouse; Biocontrol
Type
report