植保技术与推广
植保技術與推廣
식보기술여추엄
PLANT PROTECTION TECHNOLOGY AND EXTENSION
2001年
3期
27-29
,共3页
蒋学辉%章强华%胡仕孟%谢士杰%徐喜刚
蔣學輝%章彊華%鬍仕孟%謝士傑%徐喜剛
장학휘%장강화%호사맹%사사걸%서희강
二化螟%杀虫双%三唑磷%抗药性
二化螟%殺蟲雙%三唑燐%抗藥性
이화명%살충쌍%삼서린%항약성
strip stem borer bisultap triazophos insecticide resistance
二化螟是浙江省水稻的主要害虫。由于连续使用杀虫双超过20 a,三唑磷10 a防治二化螟,致使二化螟对杀虫单(杀虫双)普遍产生抗药性。1999年测定抗性增加67~587倍,达到高抗和极高抗水平;二化螟对三唑磷在温州和台州等局部地区也达到了68~162倍的高抗水平。为治理二化螟抗药性,必须加强对害虫抗药性的监测,在高抗药性地区停止使用杀虫单(杀虫双)和三唑磷防治二化螟;在低抗药性和敏感地区也应减少使用次数和用量,达到延缓抗药性产生的目的。
二化螟是浙江省水稻的主要害蟲。由于連續使用殺蟲雙超過20 a,三唑燐10 a防治二化螟,緻使二化螟對殺蟲單(殺蟲雙)普遍產生抗藥性。1999年測定抗性增加67~587倍,達到高抗和極高抗水平;二化螟對三唑燐在溫州和檯州等跼部地區也達到瞭68~162倍的高抗水平。為治理二化螟抗藥性,必鬚加彊對害蟲抗藥性的鑑測,在高抗藥性地區停止使用殺蟲單(殺蟲雙)和三唑燐防治二化螟;在低抗藥性和敏感地區也應減少使用次數和用量,達到延緩抗藥性產生的目的。
이화명시절강성수도적주요해충。유우련속사용살충쌍초과20 a,삼서린10 a방치이화명,치사이화명대살충단(살충쌍)보편산생항약성。1999년측정항성증가67~587배,체도고항화겁고항수평;이화명대삼서린재온주화태주등국부지구야체도료68~162배적고항수평。위치리이화명항약성,필수가강대해충항약성적감측,재고항약성지구정지사용살충단(살충쌍)화삼서린방치이화명;재저항약성화민감지구야응감소사용차수화용량,체도연완항약성산생적목적。
The strip stem borer, Chilo suppressalis, is the one of most serious rice pests in the rice ecosystems of Zhejiang province. The pest resistance to two insecticides, bisultap and triazophos, were caused in a large rice area, mainly due to the continuously injudicious use of above two insecticides for 20 and 10 years respectively.The field monitoring shown that resistance ratio of stem borer populations collected from different rice areas of Zhejiang was among 67 ~ 587, and all tested populations were of high resistance to bisultap. The resistance ratio of stem borer populations collected from rice areas of Wenzhou and Taizhou was among 68 ~ 162, and tested population were high resistance to triazophos. To efficiently manager the insecticide resistance, the following measures should be taken, 1 )to frequently monitor the insecticide resistance in stem borer in all rice ecosystems, 2) to prohibit the use of above insecticides in rice ecosystems with high insecticide resistance, and 3) to minimize the injudicious use of above insecticides in rice ecosystems with low or susceptible insecticide resistance. The rational use of insecticides for suppressing strip stem borer could reduce the selective pressure of insecticides to stem borer populations.