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首页> 外文会议>Beltwide Cotton Conference >BASELINE SUSCEPTIBILITIES OF COTTON INSECTS TO TRANSGENIC INSECTICIDALPROTEINS AND CHEMICAL INSECTICIDES IN ARKANSAS
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BASELINE SUSCEPTIBILITIES OF COTTON INSECTS TO TRANSGENIC INSECTICIDALPROTEINS AND CHEMICAL INSECTICIDES IN ARKANSAS

机译：棉昆虫的基线敏感性对阿肯色州的转基因杀虫剂和化学杀虫剂

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Four laboratory, eight laboratory cross and twenty field populations of bollworm (BW), Helicoverpa zea or tobacco budworm(TBW), Heliothis virescens (F.) were assayed for susceptibility to Cry1Ac and Cry2Ab proteins at the University of Arkansas in2003. The susceptibility of BW to Cry1Ac varied among and between the laboratory, laboratory cross and field populations. Incomparison with laboratory susceptible populations, LC50s were 4- to 7-fold higher in colonies collected from conventional cropsand 12- to 25-fold higher in colonies collected from Bt crops. Susceptibilities of the laboratory cross and field populations ofBW to Cry2Ab were 4- to 18-fold higher than the laboratory susceptible colony. Susceptibilities of field collected noctuids,mirids and pentatomids to acephate, cypermethrin, malathion, spinosad, cyfluthrin and bifenthrin were measured by a treatedglass vial technique. Base-line data were established for future references and comparison to first year data reported last year.
机译：四个实验室，八个实验室交叉和二十个野生瓶颈（BW），Helicoverpa Zea或TBW），Heliothis Virescens（F.）被测定了在Arkansas大学In2003的Cry1Ac和Cry2ab蛋白易感性。 BW与Cry1Ac的易感性在实验室，实验室交叉和野外种群之间变化。与实验室易感群体的菌落中的LC50在从BT作物收集的菌落中收集的菌落收集的菌落中的4至7倍。对Cry2ab的实验室交叉和野外群体的敏感性高于实验室易感菌落的4-18倍。场收集夜蛾，盲蝽象和pentatomids到乙酰甲胺磷，氯氰菊酯，马拉硫磷，多杀菌素，氟氯氰菊酯和联苯菊酯的敏感性通过一个treatedglass小瓶技术测量。为未来的参考资料建立了基线数据，并与去年报告的第一年数据进行比较。

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