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Lettice: Lactuca sativa 'Winterhaven'
Powdery mildew: Golovinomyces cichoracearum

Evaluation of fungicides for management of powdery mildew on lettuce, 2008.

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First Author: Michael Matheron, University of Arizona.

Additional Authors: M. Porchas

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


Geographical location: Arizona, United States

Products Tested: Activator 90; Admire; Aliette; Companion; Endorse; Maneb; Microthiol Disperss; Presidio; Previcur Energy; Procure; Quadris; Quintec; Ranman; Revus; V-10118

Active chemical(s): Imidacloprid; Fosetyl-aluminum; Bacillus subtilis GB03; Polyoxin D zinc salt; Maneb; Sulfur; Fluopicolide; Unknown; Triflumizole; Azoxystrobin; Cyazofamid; Mandipropamid; Unknown

Biological Control:

Biorational Product:

Manufacturer(s): Loveland Industries; Bayer CropScience; Bayer CropScience; Growth Products, LTD; Arysta; United Phosphorus Inc; United Phosphorus Inc; Valent BioScience Corporation; Bayer CropScience; Chemtura Corporation; Syngenta; Dow AgroSciences LLC; ISK Biosciences Corporation; Syngenta; Valent USA.

Publication date: March 30, 2009

The American Phytopathological Society