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首页> 外文期刊>African Journal of Biotechnology >Role of secondary metabolites biosynthesis in resistance to cotton leaf curl virus (CLCuV) disease
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Role of secondary metabolites biosynthesis in resistance to cotton leaf curl virus (CLCuV) disease

机译：次生代谢产物生物合成在抗棉卷叶病毒（CLCuV）疾病中的作用

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Disease percentage on six cotton varieties with respect to time for cotton leaf curl virus?(CLCuV)?was evaluated. In August 2007, the maximum disease was observed in CIM-506, CYTO-89 and BH-118 (susceptible), whereas CIM-443 was resistant with lower disease percentage. It was found that the leaf area, fresh weight and dry weight were more in healthy sample of leaves as compared to diseased samples of same varieties. Maximum leaf area was observed in BH-118 in healthy sample as compared to diseased ones and minimum leaf area was observed in CYTO-89. Maximum fresh weight and dry weight were present in NIAB-111 and CIM-443 in healthy sample as compared to diseased sample, respectively. Secondary metabolites production in healthy and diseased sample of leaves of cotton varieties after the attack of CLCuV?found maximum phenolics, carotenoids, chlorophyll a, chlorophyll b and total chlorophyll a and b in healthy sample and minimum contents present in diseased sample. CIM-446 was the best variety to resist the cotton leaf curl disease. CIM-446 had maximum chlorophyll contents as compared to diseased leaves, and maximum phenolics were present in BH-118 and carotenoids in NIAB-111 in healthy sample in resistance to CLCuV. So, CIM-446, CIM-443, NIAB-111 and BH-118 were the best varieties in resistance to cotton leaf curl disease. The productions of secondary metabolites were high in healthy leaves in resistance to cotton leaf curl disease.
机译：评估了六个棉花品种相对于棉花卷叶病毒（CLCuV）的传播时间的百分率。在2007年8月，在CIM-506，CYTO-89和BH-118（易感）中观察到最大的疾病，而CIM-443则具有较低的疾病百分率。结果发现，与相同品种的患病样品相比，健康叶片的叶面积，鲜重和干重更多。与患病样品相比，在健康样品中BH-118观察到最大叶面积，而在CYTO-89中观察到最小叶面积。与患病样本相比，健康样本的NIAB-111和CIM-443中分别存在最大鲜重和干重。 CLCuV攻击后，健康和患病棉质叶片中次生代谢产物的产生在健康样品中发现了最大的酚类，类胡萝卜素，叶绿素a，叶绿素b和总叶绿素a和b，患病样品中的含量最低。 CIM-446是抵抗棉叶卷曲病的最佳品种。与患病叶片相比，CIM-446的叶绿素含量最高，健康样品中BH-118和NIAB-111中的类胡萝卜素对CLCuV的抵抗力最大。因此，CIM-446，CIM-443，NIAB-111和BH-118是抗棉卷叶病的最佳品种。在健康叶片中，次生代谢产物的产量较高，对棉卷叶病具有抵抗力。

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