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Report No. 1:V071
Lettuce: Lactuca sativa 'Winterhaven'
Powdery mildew: Golovinomyces cichoracearum

Assessment of fungicides for management of powdery mildew on lettuce, 2006

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First Author: M.E. Matheron, The University of Arizona.

Additional Authors: M. Porchas

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


Geographical location: Arizona, United States

Products Tested: Procure; Microthiol Disperss; Quintec; V-10118; Forum; Penetrator; Maneb; Ranman; ProPhyt; Silwet L-77; Cabrio; V-10161; Dyne-amic; Quadris; Reason; Bond; Aliette; Kinetic; Previcur Flex; BMJ; Silmatrix; Actinovate

Active chemical(s): Triflumizole; Sulfur; Quinoxyfen; Unknown; Dimethomorph; Unknown; Maneb; Cyazofamid; Potassium phosphite; Polyalkaleneoxide modified heptamethyltrisiloxane; Pyraclostrobin; Unknown; Unknown; Azoxystrobin; Fenamidone; Unknown; Fosetyl-aluminum; Unknown; Propamocarb hydrochloride; Bacillus mycoides; Potassium silicate; Streptomyces lydicus

Biological Control:

Biorational Product:

Manufacturer(s): Chemtura Corporation; Cerexagri, Inc; Dow AgroSciences LLC; Valent BioScience Corporation; BASF Corporation; Helena Chemical Company; Cerexagri, Inc; ISK Biosciences Corporation; Helena Chemical Company; Helena Chemical Company; BASF Corporation; Valent BioScience Corporation; Helena Chemical Company; Syngenta; Bayer CropScience; United Agri Products; Bayer CropScience; Helena Chemical Company; Bayer CropScience; Montana Microbial Products; PQ Corporation; Natural Industries, Inc.

The American Phytopathological Society