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Report No. 4:SMF054
Grape: Vitis vinifera 'Chardonnay'
Powdery mildew: Erysiphe necator

Evaluation of fungicide programs for control of grapevine powdery mildew, 2009

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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: USF 2017A; USF 2015; Pristine; GWN-4617; Vintage; Inspire Super; Revus Top; Vangard; Topguard; Mettle 125SL; Adament; Elite; KFD-64-01; Regalia; Microthiol Disperss; Actinovate

Active chemical(s): Fluopyram + tebuconazole; Fluopyram; Pyraclostrobin + boscalid; Confidential; Fenarimol; Difenoconazole + cyprodinil; Mandipropamid + difenoconazole; Cyprodinil; Tetraconazole; Metaconazole; Trifloxystrobin + tebuconazole; Tebuconazole; Tebuconazole + sulfur; Unknownn; Sulfur;

Biological Control:

Biorational Product:

Manufacturer(s): Bayer CropScience; Bayer CropScience; BASF; Gowan Company; Gowan Company; Syngenta; Syngenta; Syngenta; Cheminova; Isagro-USA; Bayer CropScience; Bayer CropScience; United Phophorus, Inc.; Marrone Organic Innovation; United Phophorus, Inc.

Publication date: August 23, 2010

The American Phytopathological Society