Report No. 6:PF032
Apple: Malus domestica ‘Idared’
Powdery mildew; Scab Quince rust; Sooty blotch; Flyspeck; Bitter rot; White rot; Alternaria rot; Fruit finish: Venturia inaequalis; Podosphaera leucotricha; Gymnosporangium juniperi-virginianae; Gymnosporangium clavipes; disease complex; Zygophiala jamaicensis; Mycosphaerella pomi; Botryosphaeria dothidea. Colletotrichum spp.; Alternaria spp.

Management of powdery mildew and other diseases by experimental fungicides and mixed schedules on Idared apples, 2011.

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First Author: Keith Yoder, Virginia Tech Agr. Res. & Ext. Center

Additional Authors: A. E. Cochran II, W. S. Royston, Jr., S. W. Kilmer, G. Engelman

Section: Pome Fruits


Geographical location: United States

Products Tested: Rally 40WSP; Penncozeb 75DF; Captan 80 WDG; Ziram; Microthiol Disperss; Flint; Topguard; Luna Sensation; Koverall 75DF; Regalia; JMS Stylet-oil

Active chemical(s): Myclobutanil; Mancozeb; Captan; Zinc dimethyldithiocarbamate; Sulfur; Trifloxystrobin; Flutriafol; Fluopyram + Trifloxystrobin; Mancozeb; Reynoutria sachalinensis extract; Paraffinic oil

Biological Control: Regalia SC; knotweed extract; Marrone Bio Innovations. JMS Stylet Oil; parafinnic oil; JMS Flower Farms, Inc.

Biorational Product:

Manufacturer(s): Dow AgroSciences LLC; United Phosphorus, Inc.; Arysta; United Phosphorus, Inc.; United Phosphorus, Inc.; Bayer CropScience; Cheminova; Bayer CropScience; Cheminova; Marrone Bio Innovations; JMS Flower Farms, Inc.

Publication date: March 30, 2012

© The American Phytopathological Society