玉米雄穗的遗传和相关性研究

玉米雄穗的遗传和相关性研究

Study on Inheritance and Correlation of Tassel in Maize

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作物学报 ›› 1993, Vol. 19 ›› Issue (06): 515-519.

霍仕平

四川省万县地区农业科学研究所四川万县

收稿日期:1991-10-28 修回日期:1992-08-20 出版日期:1993-11-12 网络出版日期:1993-11-12

Huo Shi-ping

Institute of Agricultural Science of Wanxian district,Sichuan Province,Wanxian,634006

Received:1991-10-28 Revised:1992-08-20 Published:1993-11-12 Published online:1993-11-12

摘要： 本研究以玉米的6个世代为材料,采用数量遗传学方法,分析了玉米雄穗主轴长度、分枝数、平均分枝长度、小穗着生密度和每穗小穗数的遗传模型,估算了它们的遗传力,并进行了相关分析。结果表明,除分枝数符合加性、显性遗传模型外,其余性状的遗传均可配合加性、显性、上位性模型;五个性状的h_B~2(％)分别为71.6、80.9、85.0、84.4

关键词: 雄穗, 遗传模型, 遗传力, 通径系数, 玉米

Abstract: The study emploied methods of quantitative genetics, analysed heredity, model ofmain axis length, branch number, mean length of branch, spikelet density and spikeletnumber per tassel in maize tassel, estimated their heritability and conducted correlationanalysis. The result indicated that inheritanc

Key words: A tassel in maize, Heredity model, Heritability, Path coefficient

霍仕平. 玉米雄穗的遗传和相关性研究[J]. 作物学报, 1993, 19(06): 515-519.

Huo Shi-ping. Study on Inheritance and Correlation of Tassel in Maize[J]. Acta Agron Sin, 1993, 19(06): 515-519.

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