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当前位置: 首页 > 文章 > EPSPS外源基因对陆地棉农艺性状和纤维品质的影响 棉花学报 2015,27 (5) 489-493
Position: Home > Articles > The Effects of an Exogenous EPSPS Gene on the Agronomic Traits and Fiber Quality of Upland Cotton Cotton Science 2015,27 (5) 489-493

EPSPS外源基因对陆地棉农艺性状和纤维品质的影响

作  者：
燕树锋;刘海芳;铁双贵;祝水金
单  位：
河南省农业科学院粮食作物研究所;济源市农业局;浙江大学农业与生物技术学院农学系
关键词：
棉花;EPSPS;外源基因;农艺性状;纤维品质
摘  要：
以G6-1至G6-19等19个转基因抗草甘膦除草剂棉花种质为材料,以其非转基因背景亲本中棉所49为对照,研究EPSPS外源基因导入对陆地棉农艺性状和纤维品质的影响,结果表明外源基因的导入对棉花纤维上半部平均长度、马克隆值、断裂伸长率和断裂比强度等品质性状有显著影响;对于棉花衣分和铃重等农艺性状亦有显著的影响,衣分变异范围为30.5%~42.7%,T1和T2相关性分析表明衣分的变异为可遗传性变异,铃重最高为6.5 g,最低为4.6 g,两者相差40%。因此,转基因棉花育种研究不仅要注重目标性状的转育,还要注重非目标性状的筛选。
译  名：
The Effects of an Exogenous EPSPS Gene on the Agronomic Traits and Fiber Quality of Upland Cotton
作  者：
Yan Shufeng;Liu Haifang;Tie Shuanggui;Zhu Shuijin;Agronomy Department, College of Agriculture and Biotechnology, Zhejiang University;Cereal Crops Research Institute,Henan Academy of Agricultural Sciences;Jiyuan Agriculture Bureau;
关键词：
cotton;;EPSPS;;exogenous gene;;agronomic traits;;fiber quality
摘  要：
The effects of an exogenous EPSPS gene on the agronomic traits and fiber quality of upland cotton were studied, using the transgenic glyphosate-resistant cotton germplasm lines G6-1 to G6-19 as materials and their non-transgenic genetic background cultivar, CCRI 49, as a control. The results showed that integration of the exogenous gene into cotton had a major impact on fiber quality factors, for instance fiber upper half mean length, micronaire, breaking elongation, and breaking tenacity, and also on agronomic traits such as lint and boll weight. The variation range of lint was 30.5%-42.7%, and lint variation was heritable according to the correlation analysis of T1 and T2. The maximum and minimum values of boll weight were 6.5 g and 4.6 g, respectively. These results suggested that the breeding of transgenic cotton should focus not only on goal-oriented characters but also non-target traits during selection.

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