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Potato: Solanum tuberosum
Brown leaf spot; Early blight: Alternaria alternata; Alternaria solani

Evaluation of fungicide programs for brown leaf spot and early blight control: 2008.

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First Author: W.W. Kirk, Michigan State University

Additional Authors: R.L. Schafer, P. Tumbalam

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

Keyword(s): Brown leaf spot; Early Blight; Fungicides

Geographical location: Michigan, United States

Products Tested: Echo Zn; Headline; Endura; Dithane DF; LEM 17 200EC; Manzate DF; Bravo WeatherStik; Quash; Quadris; Revus Top; Induce; Tanos; Sonata; Evito 4FL

Active chemical(s): Chlorothalonil; Pyraclostrobin; Boscalid; Mancozeb; Penthiopyrad; Zinc ion and manganese ethylenebisdithiocarbamate; Chlorothalonil; Metaconazole; Azoxystrobin; Mandipropamid + difenoconazole; Proprietary blend of Alkyl Aryl Polyoxylkane Ethers, Free fatty acids, and Dimothyl Polysiloxane; Famoxadone + cymoxanil; Bacillus pumilus strain QST 2808; Fluoxastrobin

Biological Control:

Biorational Product:

Manufacturer(s): Sipcam Agro USA, Inc.; BASF Corporation; BASF Corporation; Dow AgroSciences LLC; DuPont; DuPont; Syngenta; Valent USA; Syngenta; Syngenta; Helena Chemical Company; DuPont; AgraQuest, Inc.; Arysta

Publication date: March 26, 2010

The American Phytopathological Society