Report No. 5:SMF039
Grape: Vitis Labrusca 'Concord'
Black rot, Powdery mildew: Guignardia bidwellii; Uncinula necator

Evaluation of organic fungicides for control of black rot and powdery mildew of Concord grapes, 2010.

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First Author: Bryan Hed, Penn State University

Additional Authors: H.K. Ngugi

Section: Small Fruits


Geographical location: Pennsylvania, United States

Products Tested: Champion WP; NuFilm P; Hydrated Lime

Active chemical(s): Copper hydroxide; Poly-1-p-Menthene; Calcium hydroxide

Biological Control: 1. Regalia SC 5%; extract of giant knotweed; Marrone Bio Innovations. 2. Regalia SC 20%; extract of giant knotweed; Marrone Bio Innovations. 3. Timorex; Tea tree oil; Biomor Israel

Biorational Product:

Manufacturer(s): Nufarm Americas Inc.; Miller Chemical and Fertilizer Company; Graymont Inc.

Publication date: March 28, 2011

The American Phytopathological Society