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Apple: Malus xdomestica 'Golden Delicious'
cedar apple rust; Necrotic leaf blotch: Gymnosporangium juniperi-virginianae; physiological disorder

Effects of various fungicide programs on development of necrotic leaf blotch on Golden Delicious, 2008

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First Author: D.A. Rosenberger, Cornell University.

Additional Authors: F. W. Meyer, A. L. Rugh

Section: Pome Fruits


Geographical location: New York, United States

Products Tested: A10016; Captan; Dithane DF; Enable; Evito; Flint; Omega; Pentra-Bark; Pristine; ProPhyt; Rally; Topsin M; USF 2016A

Active chemical(s): Unknown; Captan; Mancozeb; Fenbuconazole; Fluoxastrobin; Trifloxystrobin; Fluazinam; Alkylphenol ethoxylate, polysiloxane polyether copolymer, propylene glycol; Boscalid + pyraclostrobin; Potassium phosphite; Myclobutanil; Thiophanate; Unknown

Biological Control:

Biorational Product:

Manufacturer(s): Micro Flo Company; Dow AgroSciences LLC; Dow AgroSciences LLC; Arysta; Bayer CropScience; Syngenta; Quest Products Corp.; BASF Corporation; Helena Chemical Company; Dow AgroSciences LLC; Cerexagri, Inc; Bayer CropScience.

Publication date: March 30, 2009

The American Phytopathological Society