Report No. 5:SMF037
Grape: Vitis vinifera 'Chardonnay'
Powdery mildew: Erysiphe necator

Fungicide control of grape powdery mildew, trial III, 2010.

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First Author: Ian Bay, University of California, Davis

Additional Authors: J.D. Eynard; W.D. Gubler

Section: Small Fruits


Geographical location: California, United States

Products Tested: Luna Experience; Flint; Adament; Quadris Top; Quintec; Inspire Super; Actigard; Topguard; Rally; Viticure; Microthiol Disperss; Experimental 1; Vintre; Cueva; Regalia; JMS Stylet-oil

Active chemical(s): Fluopyram + tebuconazole; Trifloxystrobin; Trifloxystrobin + tebuconazole; Azoxystrobin + difenoconazole; Quinoxyfen; Difenoconazole + cyprodinil; Acibenzolar-S-methyl; Flutriafol; Myclobutanil; Triflumizole; Sulfur; Proprietary; Alcohol ethoxylate; Copper octanoate; Reynoutria sachalinensis extract; Paraffinic oil

Biological Control: 1. JMS Stylet-oil; paraffinic oil; JMS Flower Farms, Inc. 2. Regalia, Reynoutria sachilinensis extract; Marrone BioInnovations. 3. Cueva; copper octanoate; Neudorff.

Biorational Product:

Manufacturer(s): Bayer CropScience; Bayer CropScience; Bayer CropScience; Syngenta; Dow AgroSciences LLC; Syngenta; Syngenta; Cheminova; Dow AgroSciences LLC; Chemtura Corporation; Cerexagri; Unknown; Oro Agri, Inc.; Neudorff; Marrone Bio Innovations; JMS Flower Farms, Inc.

Publication date: March 28, 2011

The American Phytopathological Society