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Grape, wine: Vitis vinifera'Chardonnay'
Powdery mildew: Uncinula necator

Grape powdery mildew control, Prosser, WA, 2007.

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First Author: Jeff Lunden, Washington State University.

Additional Authors: G.G. Grove

Section: Small Fruits

Keyword(s): fungicide efficacy;fungicide classes;foliar mildew;fruit mildew;boom sprayer

Geographical location: Washington, United States

Products Tested: Sonata; Rally; Flint; Quintec; Topsin M; Microthiol Disperss; Kaligreen; Stylet Oil

Active chemical(s): Bacillus pumilus strain QST 2808; Myclobutanil; Trifloxystrobin; Quinoxyfen; Thiophanate-methyl; Sulfur; Potassium bicarbonate; Paraffinic oil

Biological Control:

Biorational Product:

Manufacturer(s): AgraQuest, Inc.; Dow AgroSciences LLC; Bayer CropScience; Dow AgroSciences LLC; Cerexagri, Inc; Cerexagri, Inc; Toagosei Company, LTD.; JMS Flower Farms, Inc.

Publication date: March 25, 2008

The American Phytopathological Society