Journal of the American Pomological Society, October 1st, 2003
Abstract
Apple cultivar sensitivity to azoxystrobin fungicide was evaluated over two years. A single application of azoxystrobin at 200 ppm concentration was applied to selected shoots of over fifty different apple cultivars and rootstocks. Treated shoots were then evaluated for phytotoxicity four to seven days later. Cultivars that showed symptoms in one or both years included 'Braeburn', BC 8S-26-50, 'Gala', 'Gold-Rush', 'Hampshire', 'Jonamac', NY 75414-1, NY 65707-19, NY 75907-72, 'Silken', 'Spigold', 'Suncrisp' and 'Zestar!' Of the rootstocks tested, only CG.179 and EMLA.26 exhibited phyt...
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