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2018年中国东北地区草地冥与粘虫发生情况预测
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2018年中国东北地区草地冥与粘虫发生情况预测
摘要:根据全国农业技术推广服务中心发布的信息显示,初步估算成虫发生面积超过1000万亩(66.67万公顷);预计今年二代粘虫总体为中等发生,全国发生面积约为3000万亩(200万公顷),幼虫发生为害盛期在6月上旬末至7月上旬。2018年6月初,根据全国农业技术推广服务中心发布的信息显示,草地螟越冬代成虫在内蒙古东部、黑龙江西南部和吉林西部突增,灯下和田间虫量普遍较高,内蒙古部分地区田间见卵,初步估算成虫发生面积超过1000万亩(66.67万公顷)。江淮、黄淮、华北、东北、西南和西北地区陆续出现一...
Insecticides China News 201806(Chinese version)
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