Report No. 10:V024
Cucumber: Cucumis sativus 'Vlasstar'
Downy mildew: Pseudoperonospora cubensis

Evaluation of fungicides for management of downy mildew in cucumbers, 2015

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First Author: C.L. Trueman, University of Guelph

Additional Authors:

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


Geographical location: Ontario, Canada

Products Tested: Zampro SC; Tattoo C; Sylgard 309; Ranman 400SC; Bravo ZN; A20942; Manzate Pro-Stick 75DF; Presidio 4SC

Active chemical(s): Ametoctradin + Dimethomorph; Propamocarb HCl + Chlorothalonil; Siloxylated Polyether; Cyazofamid; Chlorothalonil; Undisclosed; Mancozeb; Fluopicolide

Biological Control: Phostrol; mono- and dibasic sodium, potassium, and ammonium phosphite; Engage Agro Corporation

Biorational Product:

Manufacturer(s): BASF Corporation; Bayer CropScience; Dow Corning Canada Inc.; ISK Biosciences Corporation; Syngenta; Undisclosed; United Phosphorus Inc.; Valent BioScience Corporation

Publication date: March 7, 2016

The American Phytopathological Society