Report No. 11:V013
Zucchini: Cucurbita pepo 'Tigress'
Powdery mildew: Erysiphe cichoracearum

Evaluation of materials allowed for organic production on powdery mildew of zucchini, 2016.

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First Author: H.W. Lange, Cornell University

Additional Authors: C.D. Smart, A.J. Seaman

Section: Citrus, Tropical, Vegetables, and Miscellaneous Crops


Geographical location: New York, United States

Products Tested: Actinovate; Double Nickel LC; Microthiol Disperss; Milstop; OxiDate; Pomcho; Regalia Biofungicide

Active chemical(s): Streptomyces lydicus; Bacillus amyloliquefaciens; Sulfur; Potassium bicarbonate; Hydrogen dioxide; food grade barrier; Reynoutria sachalinensis extract

Biological Control: 1. Actinovate AG, Streptomyces lydicus; Natural Industries; 2. Double Nickel LC, Bacillus amyloliquefaciens; Certis; 3. MilStop, Potassium bicarbonate; BioWorks

Biorational Product:

Manufacturer(s): Natural Industries, Inc.; Certis; Nufarm Americas Inc.; Bioworks; Biosafe Systems; Cultiva; Marrone Bio Innovations

Publication date: March 7, 2017

The American Phytopathological Society