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Grape: Vitis interspecific hybrid 'Rosette'
Powdery mildew: Uncinula necator

Evaluation of fungicide programs for control of grapevine powdery mildew, 2007

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First Author: W. F. Wilcox, Cornell University.

Additional Authors: D.G. Riegel

Section: Small Fruits

Keyword(s): Erysiphe necator; Oidium

Geographical location: New York, United States

Products Tested: Vintage; Integral; Topguard; Microthiol Disperss; Mettle; Elite; Orius; BAS 560; Quintec; V-10118; Pristine

Active chemical(s): Fenarimol; Tebuconazole; Flutriafol; Sulfur; Tetraconazole; Tebuconazole; Tebuconazole; Unknown; Quinoxyfen; Unknown; Boscalid + pyraclostrobin

Biological Control: 1. Endorse; Poyoxin-D; Arysta LifeScience 2. ProPhyt; phosphite salts; Helena Chemical Co. 3. Sonata; Bacillus pumilis strain QST 2808; AgraQuest

Biorational Product:

Manufacturer(s): Gowan Company; Luxembourg Industries Ltd.; Cheminova; Cerexagri, Inc; Isagro Ricerca; Bayer CropScience; Makhteshim-Agan; BASF Corporation; Dow AgroSciences LLC; Valent BioScience Corporation; BASF Corporation

Publication date: March 25, 2008

The American Phytopathological Society