Report No. 7:SMF022
Grape: Vitis vinifera 'Chardonnay'
Powdery mildew: Erysiphe necator

Fungicide control of grape powdery mildew, trial 1, 2012.

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First Author: I.S. Bay, University of California, Davis

Additional Authors: T.N. Nguyen, J.F. Emerson, W.D. Gubler

Section: Small Fruits


Geographical location: California, United States

Products Tested: Abound; Dyne-Amic; Elite; Exp 3; Flint; Inspire Super; Koverall; Luna Experience; Luna Tranquility; Merivon; Pristine; Quadris Top; Quintec; Rally; Silwet L-77; Sonata; Sovran; Sylgard 309; Topguard; Vivando

Active chemical(s): Azoxystrobin; Polyalkyleneoxide modified polydimethylsiloxane, nonionic emulsifiers, methyl ester of C-16-C-18 fatty acids; Tebuconazole; Proprietary; Trifloxystrobin; Difenoconazole + Cyprodinil; Sulfur; Fluopyram + Tebuconazole; Fluopyram + Pyrimethanil; Fluxapyroxad + Pyraclostrobin; Pyraclostrobin + Boscalid; Azoxystrobin + Difenoconazole; Quinoxyfen; Myclobutanil; Polyalkyleneoxide modified heptamethyltrisiloxane; Bacillus pumilus strain 2808; Kresoxim-methyl; Polysiloxane; Flutriafol; Metrafenone

Biological Control: 1. Problad Plus; protein extract from plant of the genus Lupinus; FMC Corporation NUP-12033; copper hydroxide; Nufarm America, Inc. 3. Kocide 3000; copper hydroxide, DuPont.

Biorational Product:

Manufacturer(s): Syngenta; Helena Chemical Company; Bayer CropScience; N/A; Bayer CropScience; Syngenta; BASF Corporation; Bayer CropScience; Bayer CropScience; BASF Corporation; BASF Corporation; Syngenta; Dow AgroSciences LLC; Dow AgroSciences LLC; Helena Chemical Company; AgraQuest, Inc.; Cheminova; Dow Corning Corporation; Cheminova; BASF Corporation

Publication date: March 11, 2013

The American Phytopathological Society