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[水稻病虫害防治] 稻瘿蚊用什么药防治?_中国农业网_农林网_种植...

水稻秧苗受稻瘿蚊危害初期无症状,中期基部膨大成大肚秧,后期愈合的叶鞘成管状伸出,成为“标葱”。 二、水稻稻瘿蚊发生规律 1、稻瘿蚊在广东连山每年发生6~7代,广东从化、广西、江西、云南、福建7~8代,广东佛山、中山8~9代,海南12~13代。 2、稻瘿蚊的幼虫在田边、沟边等处的游草、再生稻、李氏禾等杂草上...
nonglinzhongzhi.com/a/8/2017/0507/34... 2023-6-18