بررسی و مقایسه اثر قارچکش استروبی با سموم متداول در ایران جهت کنترل سفیدک سطحی مو

The first symptoms of the powdery mildew disease of grape were observed in mid. June 2001 . Imediately rirst spray of testing fungicides were done, and with ten day intervals, second and third sprays were also done. 20 days after the last spray twenty leaves were collected randomley from each treatment with four replications and analysis were done. According to statistical analysis best fungicides in controlling the leaf powdery mildew in order of importance were: Strobey, Topas, Trimidal, Calexin, Sulphur powder and wetable sulphur respectively. In the time of harvesting bunches of grape from each treatment were also collected randomely and analysed. According to the statistical analysis in and wetable sulphur respectively . Fungicides in order of importance in controlling powdery mildew of bunches of grope were : Strobey, Trimidal, Topas, Sulphur Powder, Calexin.

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