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

Evaluation of 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, J. T. Custis

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


Geographical location: Virginia, United States

Products Tested: Actinovate; Bravo WeatherStik; LBG-31; MOI-106; Omega; Polyoxin-D; Presidio; Previcur Flex; ProPhyt; Ranman; Stimplex; Taegro; Tanos; UAP Surfactant 80/20

Active chemical(s): Streptomyces lydicus; Chlorothalonil; Chlorothalonil + potassium phosphite; extract of giant knotweed; Fluazinam; Polyoxin D zinc salt; Fluopicolide; Propamocarb hydrochloride; Potassium phosphite; Cyazofamid; Ascophyllum nodosum; Bacillus subtilis; Famoxadone + cymoxanil; Alkyl aryl polyoxyethylene glycol

Biological Control: 1. Taegro; Bacillus subtilis; Novozymes; 2. Polyoxin D; Streptomyces cacaoi var. asoensis; Arysta LifeSciences; 3.Actinovate SP; Streptomyces lydicus; Natural Industries Inc.; 4.Stimplex; Ascophyllum nodosum; Acadian Agritech; 5. MOI-106;extract from giant knotweed; Marrone Organic Innovations

Biorational Product:

Manufacturer(s): Natural Industries, Inc.; Syngenta; Luxembourg Industries Ltd.; Marrone Organics; Syngenta; Arysta; Valent BioScience Corporation; Bayer CropScience; Helena Chemical Company; FMC Corporation; Acadian Agritech; Novozymes Biologicals; DuPont; United Agri Products.

Publication date: March 30, 2009

The American Phytopathological Society