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Apple: Malus X domestica 'Golden Delicious', 'Red Delicious'
Apple scab; Powdery mildew; Cedar apple rust: Venturia inaequalis; Podosphaeria leucotricha; Gymnosporangium juniperi-virginianae

Reduced fungicide resistance risk programs for season long control of apple diseases, 2009.

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First Author: N. O. Halbrendt, Penn State University

Additional Authors: J. W. Travis, H. K. Ngugi, J. M. Halbrendt, B. Jarjour

Section: Pome Fruits


Geographical location: United States

Products Tested: Micro Sulf; Captan; Topsin M 70WP; Penncozeb 75DF; Kocide 3000; Hydrated Lime; Manzate Pro Stick; T-methyl E Ag; Lime Sulfur; Rally; Inspire Super

Active chemical(s): Sulfur; Captan; Thiophanate-methyl; Mancozeb; Copper hydroxide; Hydrated Lime; Mancozeb; Thiophanate-methyl; Calcium polysulfide; Myclobutanil; Difenoconazole + cyprodinil

Biological Control:

Biorational Product:

Manufacturer(s): Nufarm Americas Inc. (formerly Agtrol International); Bayer CropScience; United Phosphorus, Inc.; Cerexagri, Inc; DuPont; Helena Chemical Company; DuPont; Bonide; Miller Chemical and Fertilizer Company; Dow AgroSciences LLC; Syngenta

Publication date: March 26, 2010

The American Phytopathological Society