• Control efficiency of 5 pesticides to rehmanniae flea beetle and influence to their natural enemies were compared in field condition.

    田间比较测试了5种杀虫剂地黄防治效果及其天敌影响

    youdao

  • The control effect of pesticide 35% phosfolan-methyl EC for mangold flea beetle was 79.2%, but it couldn't control subterranean insect pests.

    杀虫剂35%甲基硫环磷乳油叶面喷施的防效为79.2%,对地下害虫几乎无效。

    youdao

  • The control effect of pesticide 35% phosfolan-methyl EC for mangold flea beetle was 79.2%, but it couldn't control subterranean insect pests.

    杀虫剂35%甲基硫环磷乳油叶面喷施的防效为79.2%,对地下害虫几乎无效。

    youdao

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