Efficacy of Four Kinds of Fungicides against Pepper Powdery Mildew in Greenhouse
Cha Xian-fang
Abstract
Cha Xian-fang
Abstract
The field efficacy experiment was done about kresoxim-methyl 50% WG,flusilazole 8% MF,triadimefon 25% WP and chlorothalonil 75% WP against pepper powdery mildew.The results showed that the efficacy of four kinds of fungicides against pepper powdery mildew was 69.75-79.59% in 7 days after treatment.Efficacy was 92.50-95.41% in 12 days of twice treatment.They were safe to pepper in the range of experiment fungicides dosages,and no chemical injury was observed.
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The field efficacy experiment was done about kresoxim-methyl 50% WG,flusilazole 8% MF,triadimefon 25% WP and chlorothalonil 75% WP against pepper powdery mildew.The results showed that the efficacy of four kinds of fungicides against pepper powdery mildew was 69.75-79.59% in 7 days after treatment.Efficacy was 92.50-95.41% in 12 days of twice treatment.They were safe to pepper in the range of experiment fungicides dosages,and no chemical injury was observed.
Key concepts: Powdery mildew, Fungicide, Pepper, Myclobutanil, Triadimefon, Chlorothalonil, Horticulture, Pyrimethanil