Report No. 5:V129
Lettuce: Lactuca sativa ‘Winter Select’
Downy mildew; powdery mildew: Bremia lactucae; Golovinomyces cichoracearum

Comparison of fungicides for management of downy and powdery mildew on lettuce, 2010.

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

Additional Authors: M. Porchas

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


Geographical location: Arizona, United States

Products Tested: Tanos; Aliette; Presidio; Manzate Pro-Stick; Agridex; Curzate; Manex; BAS 651; Silwet L-77; Revus; Induce; Reason; Bond; Manzate; Cabrio; V-10208; Penetrator Plus; Quintec; Dyne-Amic; Pristine; Procure; Microthiol Disperss; Rally; NAI-2302

Active chemical(s): Famoxadone + cymoxanil; Fosetyl-aluminum; Fluopicolide; Mancozeb; Unknown; Cymoxanil; Maneb; Experimental; Silicone polyether coploymer; Mandipropamid; Proprietary blend of Alkyl Aryl Polyoxylkane Ethers, Free fatty acids, and Dimothyl Polysiloxane; Fenamidone; Synthetic latex and alcohol ethoxylate; Mancozeb; Pyraclostrobin; Experimental; Unknown; Quinoxyfen; Polyalkyleneoxide modified polydimethylsiloxane, nonionic emulsifiers, methuyl ester of C-16-C-18 fatty acids; Boscalid + pyraclostrobin; Triflumizole; Sulfur; Myclobutanil; Tolfenpyrad

Biological Control: Regalia; extract from giant knotweed; Marrone Bio Innovations.

Biorational Product:

Manufacturer(s): DuPont; Bayer CropScience; Valent USA Corporation; DuPont; Helena Chemical Company; DuPont; DuPont; BASF Corporation; Loveland Industries; Syngenta; Helena Chemical Company; Bayer CropScience; Loveland Industries; DuPont; BASF Corporation; Valent USA Corporation; Helena Chemical Company; Dow AgroSciences LLC; Helena Chemical Company; BASF Corporation; Chemtura Corporation; United Phosphorus Inc.; Dow AgroSciences LLC; Nichino America, Inc.

Publication date: March 28, 2011

© The American Phytopathological Society