Inheritance of resistance in Indian Helicoverpa armigera (Hubner) to Cry1Ac toxin of Bacillus thuringiensis
Inheritance of resistance in Indian Helicoverpa armigera (Hubner) to Cry1Ac toxin of Bacillus thuringiensis
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DOI：
10.1016/j.cropro.2005.03.011
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发表时间：
2006-02-01
期刊：
影响因子：
2.8
通讯作者：
Kranthi, S
中科院分区：
文献类型：
--
作者：
Kranthi, KR;Dhawad, CS;Kranthi, S
通过对棉铃虫Helicoverpaarmigera（Hubner）对Bt毒素CrylAc的抗性、敏感性、F代、杂种和回交H代的反应测定分析，阐明了棉铃虫对Bt毒素CrylAc抗性的遗传方式。使用半合成饮食和转基因Bt棉花植物将棉铃虫后代转化为Cry IAc。优势值估计值在0.42和0.57之间。抗性是单基因的，常染色体的，遗传为半显性性状。H.棉铃虫对转Bt基因抗虫棉的有效抗性也表现为半显性遗传。(c)2005爱思唯尔有限公司保留所有权利。
The mode of inheritance of resistance to CrylAc toxin of Bacillus thuringiensis in the cotton bollworm, Helicoverpa armigera (Hubner), was elucidated through bioassay analysis of the response of resistant, susceptible, F, hybrid and backcross H. armigera progeny to Cry I Ac using semi-synthetic diet and transgenic Bt cotton plants. The dominance value estimates ranged between 0.42 and 0.57. Resistance was found to be monogenic, autosomal and inherited as a semi-dominant trait. Genetic studies of response of H. armigera to transgenic Bt cotton showed that the effective resistance oil transgenic Bt cotton plants was also inherited as a semi-dominant trait. (c) 2005 Elsevier Ltd. All rights reserved.