论文部分内容阅读
开展了21%毒死蜱·啶虫脒微乳剂防治十字花科蔬菜黄条跳甲的田间药效试验,结果表明:药后2d,21%毒死蜱·啶虫脒微乳剂(g.ai)141.75g/hm2、110.25g/hm2、78.75g/hm2对成虫防效分别为93.12%、88.64%和80.76%;药后7d,对成虫防效分别为86.80%、80.50%和69.17%,对幼虫的防效分别为85.19%、77.65%和65.17%,其中141.75g/hm2和110.25g/hm2的用药量对十字花科蔬菜黄条跳甲具有优良的速效性和持效性,可作为防治黄条跳甲的优选剂量。
A field trial of 21% chlorpyrifos · acetamiprid microemulsion was carried out to prevent and cure cruciferous vegetable yellow striped beetle. The results showed that 21% of the chlorpyrifos · acetamiprid micro emulsion (g.ai) 141.75g / hm2, 110.25g / hm2 and 788.75g / hm2 were 93.12%, 88.64% and 80.76%, respectively. On the 7th day after treatment, the control effect on adults was 86.80%, 80.50% and 69.17% Respectively, 85.19%, 77.65% and 65.17%, respectively. The dosage of 141.75g / hm2 and 110.25g / hm2 had good effect and persistence on cruciferous vegetables, Of the preferred dose.