Report No. 11:V060
Cucumber: Cucumis sativus 'Dasher II'
Downy mildew: Pseudoperonospora cubensis

Evaluation of selected fungicides for management of downy mildew on cucumber, fall 2016.

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First Author: Andrew Shirley, University of Florida/IFAS

Additional Authors: G. Vallad, S. Kalb, B. Hughes, R. Willis

Section: Citrus, Tropical, Vegetables, and Miscellaneous Crops


Geographical location: Florida, United States

Products Tested: Aliette; Bravo WeatherStik; Curzate; Double Nickel 55; K-Phite; Omega; Orondis Opti A; Penncozeb 75DF; Presidio; Previcur Flex; Quadris; Ranman; Serenade Opti; Taegro 2; Timorex Gold; V-10208; Zampro; Zing!; QR001.109 FS

Active chemical(s): Aluminum tris; Chlorothalonil; cymoxanil; Bacillus amyloliquefaciens strain D747; Mono- and di-potassium salts of Phosphorous Acid; Fluazinam; Fluopyram; Mancozeb; Fluopicolide; Propamocarb hydrochloride; Azoxystrobin; Cyazofamid; QST 713 strain of Bacillus subtilis; Bacillus subtilis var. amyloliquefaciens Strain FZB24; Tea tree extract; Ametoctradin + Dimethomorph; Zoxamide + Chlorothalonil; proprietary

Biological Control:

Biorational Product:

Manufacturer(s): Bayer CropScience; Syngenta; DuPont; Certis; Plant Food Systems; Syngenta; Syngenta; United Phosphorus Inc.; Valent USA Corporation; Bayer CropScience; Syngenta; Summit Agro USA, LLC; Bayer CropScience; Novozymes Biologicals; Stockton Group; Valent USA Corporation; Valent USA Corporation; BASF Corporation; Gowan Company; Bayer CropScience

Publication date: March 7, 2017

The American Phytopathological Society