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

Evaluation of alternative and organic fungicides for control of Niagara grape diseases, 2006.

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First Author: B. Hed, Penn State University.

Additional Authors: J.W. Travis

Section: Small Fruits

Keyword(s): Biorational; plant extracts

Geographical location: Pennsylvania, United States

Products Tested: Champion; Lime Sulfur; Lime

Active chemical(s): Copper hydroxide; Calcium polysulfide; Calcium hydroxide

Biological Control: 1. Citrex 100; Ascorbic and other organic acids; Citrex, Inc. 2. Yucca Ag Aide 50; Yucca schidigera extract; Desert King International 3. QL-AGRI; Quillaja saponaria extract; Desert King International 4. Prophyt; Potassium phosphite; Helena Chemical co.

Biorational Product:

Manufacturer(s): Nufarm Americas Inc. (formerly Agtrol International); Miller Chemical and Fertilizer Compan; Graymont, Inc.

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