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Grape: Vitis labrusca 'Niagara'
Black rot; Downy mildew; Powdery mildew: Guignardia bidwellii; Plasmopara viticola; Uncinula necator

Evaluation of alternative fungicides for control of black rot, powdery mildew, and downy mildew of grapes, 2008.

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First Author: Bryan Hed, Penn State University.

Additional Authors: J.W. Travis

Section: Small Fruits

Keyword(s): organic; biological control

Geographical location: Pennsylvania, United States

Products Tested: Cuprofix Ultra 40 DF; Lime Sulfur

Active chemical(s): Basic copper sulfate; Calcium polysulfide

Biological Control: 1. Topaz; mono- and di-potassium salts of phosphorous acid; Agriliance LLC 2. Cueva; copper octanoate; W. Neudorff GmbH KG 3. Serenade ASO; QST 713 strain of Bacillus subtilis; AgraQuest, Inc. 4. NuFilm P; poly-1-p-menthene; Miller Chemical and Fertilizer Corp. 5. Taegro; Bacillus subtilis var. amyloliquefaciens strain FZB24; Novozymes Biologicals

Biorational Product:

Manufacturer(s): United Phosphorus, Inc.; Miller Chemical & Fertilizer Corp..

Publication date: March 30, 2009

The American Phytopathological Society