Field Efficacy Test of 70% Thiophanate-methyl on Prevention of Cucumber Powdery Mildew
Zhao Jun-xi
Abstract
Zhao Jun-xi
Abstract
In order to screen the suitable medicament to prevent cucumber powdery mildew,taking cucumber as experimental materials,control tests in greenhouse were conducted by spraying 70% Thiophanate-methyl·sulphur WP,70% Thiophanate-methyl WP,50% sulphur SC,and 15% three Triadimefon WP respectively.The results showed that 70% Thiophanate-methyl·sulphur WP had excellent effect,the control effect was the best by using 70% Thiophanate-methyl·sulphur WP 1 350~1 500mL·hm-2,and three times constantly,the control effect could be up to 82.58%~87.55%.
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In order to screen the suitable medicament to prevent cucumber powdery mildew,taking cucumber as experimental materials,control tests in greenhouse were conducted by spraying 70% Thiophanate-methyl·sulphur WP,70% Thiophanate-methyl WP,50% sulphur SC,and 15% three Triadimefon WP respectively.The results showed that 70% Thiophanate-methyl·sulphur WP had excellent effect,the control effect was the best by using 70% Thiophanate-methyl·sulphur WP 1 350~1 500mL·hm-2,and three times constantly,the control effect could be up to 82.58%~87.55%.
Key concepts: Powdery mildew, Triadimefon, Sulfur, Horticulture, Biology, Agronomy, Chemistry, Fungicide