Report No. 7:V074
Lettuce: Lactuca sativa 'Winterhaven'
Powdery mildew: Golovinomyces cichoracearum

Evaluation of fungicides for management of powdery mildew on lettuce, 2012.

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First Author: Michael Matheron, The University of Arizona

Additional Authors: M. Porchas

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


Geographical location: Arizona, United States

Products Tested: Dyne-Amic; HM-0736; Induce; Merivon; Microthiol Disperss; ProPhyt; Quadris; Quintec; Rally; Regalia; Sonata; Torino

Active chemical(s): Methyl esters; Unknown; Alkyl anyl polyoxylkane Ether, free fatty acid, and water; Fluxapyroxad + Pyraclostrobin; Sulfur; Potassium phosphite; Azoxystrobin; Quinoxyfen; Myclobutanil; Reynoutria sachalinensis extract; Bacillus pumilus strain 2808; Cyflufenamid

Biological Control:

Biorational Product:

Manufacturer(s): Helena Chemical Company; Helena Chemical Company; Helena Chemical Company; BASF Corporation; United Phosphorus Inc.; Helena Chemical Company; Syngenta; Dow AgroSciences LLC; Dow AgroSciences LLC; Marrone Bio Innovations; AgraQuest, Inc.; Gowan Company

Publication date: March 11, 2013

The American Phytopathological Society