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验证7.5%啶虫脒.高效氯氰菊酯WP对大白菜甘蓝蚜的防治效果,试验结果表明,7.5%啶虫脒.高效氯氰菊酯WP对大白菜甘蓝蚜的最佳使用量11.3~16.9ga.i/hm2,平均防效在90.43%以上。
The results showed that 7.5% acetamiprid and beta-cypermethrin WP had the best effect on Chinese cabbage aphid (11.3 ~ 16.9ga.i / hm2) , The average anti-effect is above 90.43%.