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二点委夜蛾以及二代粘虫发生趋势预报
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二点委夜蛾以及二代粘虫发生趋势预报
2016年6月17日,全国农业技术推广服务中心对外发布二点委夜蛾以及二代粘虫发生趋势预报。 二点委夜蛾 全国农业技术推广服务中心表示,据黄淮海夏玉米区病虫测报网监测,今年二点委夜蛾一代成虫发生量较大,田间生境和未来气候条件有利,预计今年二点委夜蛾在黄淮海夏玉米主产区总体偏重发生,河北南部、山东南部和西南部地区可达大发生;全国发生面积为3000万亩,幼虫为害高峰为6月下旬至7月上旬。 二代粘虫 全国农业技术推广服务中心表示,今年一代粘虫在长江中下游、江淮和黄淮麦区发生面积小,经有效防治或兼治后各地...
Insecticides China News 201606 (Chinese version)
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