70%安泰生WP防治苹果斑点落叶病田间药效试验

Control Effect of 70% Antracol on Alternaria mail

试验结果表明，７０％安泰生５００倍对苹果斑点落叶病春梢、秋梢的防治效果和 大生近似而略好于大生，防效达８１．６６％～８７．２９％；７０％安泰生７００倍仅在春梢期的防效 达６６．５３％，而秋梢期防治效果以及７０％安泰生１０００倍防效较差。

Test results showed that 70%Antracol WP 500times had high active on Alternaria mali of spring-growth and autumn-growth ,as same as 80%DithaneM-45WP 800times,the control effects were 81.66-87.29%.70%Antracol WP 700times had 66. 53% active on Alternaria mali of spring-growth, but had low active to autumn-growth. 70%Antracol WP 1000times had low active on Alternaria mali of spring-growth and autumn-growth.