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Grape: Vitis vinifera 'Chardonnay'
Powdery mildew: Erysiphe necator

Evaluation of fungicide programs for control of powdery mildew on Chardonnay grapes, 2008

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First Author: Wayne Wilcox, Cornell University

Additional Authors: D.G. Riegel

Section: Small Fruits

Keyword(s): Oidium, Uncinula

Geographical location: New York, United States

Products Tested: BAS 560; V-10118; Pristine; DPX-LEM 17; Topguard; Mettle; Vintage; A7402; A16001; Vangard; Microthiol Special; Quintec; Elite

Active chemical(s): Unknown; Unknown; Pyraclostrobin + boscalid; Penthiopyrad; Flutriafol; Tetraconazole; Fenarimol; Difenoconazole; Difenoconazole + cyprodinil; Cyprodinil; Sulfur; Quinoxyfen; Tebuconazole

Biological Control:

Biorational Product:

Manufacturer(s): BASF Corporation; Valent USA; BASF Corporation; DuPont; Cheminova; Isagro-USA; Gowan Company; Syngenta; Syngenta; Syngenta; United Phosphorus, Inc.; Dow AgroSciences LLC; Bayer CropScience

Publication date: March 26, 2010

The American Phytopathological Society