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Evaluations of New and Current Management Strategies to Control Phomopsis Cane and Leaf Spot of Grape

M. Nita, M. A. Ellis, L. L. Wilson, and L. V. Madden

July 2007


To study the epidemiology and control of Phomopsis cane and leaf spot of grape, caused by Phomopsis viticola, this work sought to: (i) determine efficacy of a dormant fungicide spray program for controlling the disease in its early stage of development; (ii) evaluate a disease warning system by applying fungicides and fungicide-adjuvant combinations in response to predicted infection periods based on weather conditions; and (iii) correlate commercial control practices and environmental conditions with disease incidence.


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