稻纵卷叶螟幼虫在卷叶内的栖居特性
The inhabit characters of Cnaphalocrocis medinalis larvae in the roll leaves.
韩新才1;伍桂珍2;邓锡灶2;陈卫建2
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DOI:
作者单位:1.武汉化工学院化工与制药学院,武汉430073;2.广东省连州市植物保护站,连州513400
中文关键词:稻纵卷叶螟;幼虫;卷叶;栖居特性;防治效果
英文关键词:Cnaphalocrocis medinalis;larvae; roll leaves; inhabit character; control effect
中文摘要:稻纵卷叶螟Cnaphalocrocismedinalis,幼虫在卷叶内栖居特性田间调查研究表明,盛孵期后3d,1~2龄幼虫新卷叶有虫率为100%,旧卷叶有虫率为0~28.57%,平均为12.25%;盛孵期后5d,1~3龄幼虫新卷叶有虫率为50%~92.86%,平均为69.02%,旧卷叶有虫率为0~32%,平均为11.28%。因此,
英文摘要:The investigation and research for inhabit characters of Cnaphalocrocis medinalis larvae in the roll leaves indicated that three days after heavy larval infestation, the rate of 1~2 instar larval inhabitancy in rolling leaves is 100%; the rate in