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春玉米自交系穗部性状的通径分析

Path Analysis of Ear Characters in Spring Inbred Maize Lines

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【Author】 BAO He-ping~1, ZHANG Jun~1, ZHAO Li-zhi~2, YU Yan-shen~3,　DOU Mao-hai~1 (1.　College of Agronomy, Jilin Agricultural University, Changchun, Jilin 130118, China; 2. Seed Company of Songyuan City, Songyuan, Jilin 138000,China; 3.Vegetable and Flower Research Institute of Jilin Province, Changchun, Jilin 130000,China)

【机构】吉林农业大学农学院；松原市种子公司；吉林省蔬菜花卉科学研究所；吉林农业大学农学院吉林长春130118；吉林长春130118；吉林松原138000；吉林长春130000；吉林长春130118；

【摘要】对8个玉米自交系穗部性状进行了遗传相关和通径分析。结果表明:穗长对产量的效应最大,其次是行粒数、穗粗、穗行数。选育优良玉米自交系,要有适宜的生育期,注重穗长穗重并举,注重行粒数、千粒重和穗行数的选育,对出子率和秃尖率可以适当放宽。更多还原

【Abstract】 Heredity correlation and path of ear characters of 8 inbred maize lines were analyzed. The results showed that the effect of ear length on maize yield is the greatest. Then follow such characters as kernel number per row, ear width, row number per ear, growth period, and 1　000-seed weight. The least important characters are kernel percentage per ear and rate of pointless ears.更多还原

【关键词】玉米自交系；穗部性状；通径分析；
【Key words】 inbred maize lines； ear characters； path analysis；

【基金】吉林省农发办资助项目(200021号)

【文献出处】吉林农业大学学报 ,Journal of Jilin Agricultural University , 编辑部邮箱 ,2004年01期

【分类号】S513
【被引频次】15
【下载频次】99

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