Report No. 10:V015
Cucumber: Cucumis sativus 'Diva'
Downy mildew: Pseudoperonospora cubensis

Evaluation of fungicides allowed for organic production on downy mildew of cucumber, 2015.

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First Author: H.W. Lange, Cornell University

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

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


Geographical location: New York, United States

Products Tested: Double Nickel LC; Cueva; Zonix; Regalia Biofungicide; Nordox 75; Actinovate; Champ WG

Active chemical(s): Bacillus amyloliquefaciens strain D747; Copper octanoate; Rhamnolipid Biosurfactant; Reynoutria sachalinensis extract; Cuprous oxide; Streptomyces lydicus; Copper hydroxide

Biological Control: 1. Double Nickel; Bacillus amyloliquefaciens strain D747; Certis; 2. Zonix; Rhamnolipid Biosurfactant; Jeneil Biosurfactant Co. LLC; 3. Actinovate; Streptomyces lydicus; Natural Industries, Inc.; 4. Regalia; extract of: Reynoutria sachalinensis; Marrone Bio Inovations

Biorational Product:

Manufacturer(s): Certis; Certis; Jeneil Biosurfactant Company; Marrone Bio Innovations; Monterey AgResources; Natural Industries, Inc.; Nufarm Americas Inc.

Publication date: March 7, 2016

The American Phytopathological Society