求翻译：黄萎病是目前棉花上的主要病害之一，对棉花的产量、质量都有很大的影响且目前没有很好的防治方法。黄萎菌（大丽轮枝菌）产生的外毒素被认为是我国棉花发生黄萎病主要的致病因素。在海岛棉中发现的GbAt7基因与棉花对黄萎病抗性密切相关，但其作用机制尚不明确。将棉花GbAt7基因转入模式植物拟南芥中研究其作用机制。现筛选出了两个纯和的转基因株系At7V4，At7R1，并验证了转入基因的遗传规律符合孟德尔遗传。外毒素处理后转基因拟南芥对外毒素具有较好的抗致萎性。通过real-time PCR找到了转基因拟南芥中发生表达差异的与抗病相关的几个基因。是什么意思？

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Cyanosis is the cotton on one of the major diseases of cotton production, quality has a strong impact and there is currently no good control. The yellow dwarf virus (germ) sticks her round the outer toxin is considered to be my cotton cyanosis occurs primarily in pathogenic factors. In the islands f

The verticillium wilt is one of on present cotton's main plant diseases, to cotton's output, the quality all has the very tremendous influence also the present not very good preventing and controlling method.Huang Weijun (a big Li turn fungus) produces the exotoxin was considered is our country cott

Verticillium wilt is currently one of the main diseases of cotton, on cotton yield and quality has a lot of influence, and there is no good way to control. Verticillium dahliae strains (Li round bacteria) produce toxins are considered to be outside of China's main cotton verticillium wilt pathogenic

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