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田间小区试验结果表明,用20%高氯.辛乳油防治十字花科甘蓝菜青虫具有较好的防治效果,击倒速度快,持效期长,且对甘蓝安全、无药害,可用于十字花科蔬菜的无公害生产。适宜的经济有效剂量为60 g a.i./hm2。
The field plot test results showed that the prevention and control of Brassica campestris with 20% high chlorine and Xinxie oil had good control effect, quick knock-down speed, long holding period and safe to cabbage, Herbal vegetables pollution-free production. The suitable cost-effective dose is 60 g a.i./hm2.