Insect resistant cotton

Breeding of insect resistant cotton with gene engineering is one of the popular field of cotton biotechnology that bring hope for the prevention and control of cotton pests.

抗虫转基因棉花的培育是近年来棉花生物技术研究的热点，它为棉杜虫害的防治展示了希望。

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Progress of Breeding and Selection of Insect-resistant Varieties in Cotton

棉花抗红铃虫品种选育进展

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Exploitation and Utilization of Insect Resistant Cotton

抗虫棉的开发和利用

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Transgenic insect resistant cotton line "310" showed strong physiological advantage of "source".

转基因抗虫棉品系“310”在棉铃发育过程中，表现了较强的“源”生理优势。

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Boll Development of Transgenic Insect resistant Cotton Line 310

转基因抗虫棉品系310棉铃发育动态

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The effect of mepiquat chloride ( DPC) on the drought resistance of low phenol cotton and insect resistant cotton seedlings were studied.

研究了缩节安浸种（12h）对无毒棉和抗虫棉幼苗抗旱性的影响。

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An antibody sandwich enzyme linked immunosorbent assay ( ELISA) was developed to detect and quantitate the Bacillus thuringiensis ( Bt) insecticidal protein expressed in transgenic insect resistant cotton using a purified Bt toxin ( 67kDa) as standard protein and antigen.

利用纯化的Bt毒素蛋白（67kDa）作为标准蛋白和免疫抗原，建立了检测转基因抗虫棉植株内Bt毒蛋白含量的抗体夹心ELISA方法。

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The area of transgenic crops in China was 1.5 million hm 2 in the same year, accounting for 3% of total area in the world, mainly from the insect resistant cotton.

2001年中国转基因作物种植面积为150万hm2，占全球的3%，主要为转基因抗虫棉。

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Biology identification: The weight of the cotton aphid were weighed, honeydew excretion of the cotton aphid were count. Honeydew excretion frequency of the cotton aphid were got. The different insect resistant cotton.

生物学鉴定：称量棉蚜成蚜的蚜重、计数棉蚜排蜜，得出棉蚜排蜜频率，获得不同抗性的品系。

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Based on the reaction among antibody, antigen and enzyme antibody, an indirect enzyme linked immunosorbent assay ( ELISA) method was developed to detect and quantitate the Bacillus thuringiensis ( Bt) insecticidal protein expressed in the tissue of Bt transgenic insect resistant cotton.

利用抗体－抗原－酶标抗体反应，建立了间接酶联免疫吸附测定法（ELISA），以检测转基因抗虫棉品系310幼叶Bt毒蛋白含量。

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Preparation and identification of monoclonal antibody against Toxoplasma gondii Preliminary Screen and Evaluation of Transgenic Insect Resistant Cotton Varieties or Lines

抗弓形虫单克隆抗体的制备鉴定及应用转基因抗虫棉的初选和抗虫鉴定

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, The transgenic cotton expressing two kinds of insect resistant genes varieties not only resist the cotton aphid, but also delay emerging of the resistance of the insect to the transforming Bt genes insect resistant cotton.

转双价基因抗虫棉既能抗蚜虫，又能减缓害虫对转Bt基因抗虫棉的抗性。

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The results showed that the output of insect resistant hybrid cotton has obvious competitive and transgressive dominances, the lint cotton output was 11.7%-54.6% and 0.0-36.9% increased, respectively.

结果表明，抗虫杂交棉在产量上有明显的竞争优势和超亲优势，皮棉增产幅度分别为11.7%～54.6%和0.0～36.9%；

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Insect-resistant transgenic cotton plants harbouring double-gene were obtained by the pollen-tube pathway transformation system and the agrobacterium tumefaciens-mediated transformation system.

本研究通过农杆菌介导法和花粉管通道法转化获得双价转基因抗虫棉；

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