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Cucumber: Cucumis sativus'SMR 58'
Downy mildew: Pseudoperonospora cubensis

Evaluation of protectant fungicides for the control of downy mildew in pickling cucumber, 2008

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First Author: Steve Rideout, Eastern Shore Agricultural Research and Extension Center.

Additional Authors: C. M. Waldenmaier, A.F. Wimer

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


Geographical location: Virginia, United States

Products Tested: Bravo WeatherStik; Champ Formula 2; Cuprofix Disperss; Cuprofix MZ Disperss; Dithane Rainshield; Gavel; Kocide 3000; LBG-31; Manex; Manzate Pro Stick; Penncozeb

Active chemical(s): Chlorothalonil; Copper hydroxide; Copper sulfate; Copper sulfate + mancozeb; Mancozeb; Mancozeb + zoxamide; Copper hydroxide; Chlorothalonil + potassium phosphite; Maneb; Mancozeb + zinc ion; Mancozeb

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; Nufarm Americas Inc.; Cerexagri, Inc; Cerexagri, Inc; Dow AgroSciences LLC; Dow AgroSciences LLC; DuPont; Luxembourg Industries Ltd.; DuPont; DuPont; Cerexagri, Inc.

Publication date: March 30, 2009

The American Phytopathological Society