300亿/克球孢白僵菌粉剂防治玉米螟试验
Rural Science & Technology（2017）
Abstract
在玉米大喇叭口期,667米2用300亿/克球孢白僵菌粉剂30克喷雾防治一代玉米螟,施药后7天,防治效果为64.13%,施药后14天,防治效果为76.84%,防效均显著高于空白对照,并且未发现药害现象,对作物较为安全.300亿/克球孢白僵菌粉剂为生物制剂,对环境安全,施用后可显著降低一代玉米螟虫口基数,表现出显著的持效性,进而提高玉米的产量和品质.
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