Report No. 5:V100
Cucumber: Cucumis sativus ‘Dasher II’
Downy mildew: Pseudoperonospora cubensis

Evaluation of biopesticides for managing downy mildew in organically-produced cucumber, 2010

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First Author: M.T. McGrath, Cornell University

Additional Authors: L.K. Hunsberger

Section: Citrus, Tropical, Vegetable, and Misc. Crops

Keyword(s): Biopesticide

Geographical location: New York, United States

Products Tested: NuCop HB; Bravo Ultrex; Manzate Pro-Stick; Previcur Flex; Ranman

Active chemical(s): Copper hydroxide; Chlorothalonil; Mancozeb; Propamocarb hydrochloride; Cyazofamid

Biological Control: 1. Actinovate SP; Streptomyces lydicus; Natural Industries, Inc.; 2. Companion; Bacillus subtilis GB03; Growth Products, Ltd.; 3. K-Phite; phosphorous acid; Plant Food Systems.; 4. Organocide; sesame oil; Organic Laboratories, Inc.; 5. Regalia SC; Reynoutria sachalinensis; Marrone Organic Innovations, Inc.; 6. Serenade MAX; Bacillus subtilis; AgraQuest, Inc.; 7. Sonata ASO; Bacillus pumilus; AgraQuest, Inc.; 8. Sporatec AG; rosemary oil and clove oil and thyme oil; ClawEl, division of Brandt Consolidated.; 9. Taegro; Bacillus subtilis var. amyloliquefaciens strain FZB24; Novozymes Biologicals, Inc.; 10. Timorex Gold; tea tree oil; Biomor Israel Ltd.

Biorational Product:

Manufacturer(s): Agri Star; Syngenta; DuPont; Bayer CropScience; FMC Corporation

Publication date: March 28, 2011

© The American Phytopathological Society