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Analysis on the Combining Ability and Heritability of Main Agronomic Traits of Hybrid Glutinous Sorghum 被引量:1

杂交糯高粱主要农艺性状的配合力和遗传力研究(英文)
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摘要 Using 3 sterile lines and 12 restorer of glutinous sorghum as experimental materials,36 hybrid combinations(3×12 NCⅡ) were designed to analyze the combining ability and heritability of six main agronomic traits,including plant height,panicle length,growth period,1 000-grain weight,per panicle grains and per panicle grain weight.The results showed that except per panicle grain number all other five agronomic traits have remarkable or extremely remarkable general combining ability and specific combining ability.Six agronomic traits were found to be control by additive genetic effect.Most of these agronomic traits are more easily influenced by restorers than sterile lines,suggesting that more attention should be paid to select restores in hybrid glutinous sorghum breeding.The narrow-sense heritability of these agronomic traits were in order growth period plant height per panicle grain weight panicle length 1 000-grain weight per panicle grains. 以高粱3个糯不育系和12个糯恢复系为材料,采用3×12NCII设计配制36个杂交组合,对其株高、穗长、生育期、千粒重、每穗粒数、每穗粒重6个主要农艺性状的配合力及遗传力进行分析。结果表明,所有性状(除穗粒数外)的一般配合力和特殊配合力达到显著或极显著水平;6个性状的遗传都主要受加性基因效应控制;杂交种的大多数农艺性状受恢复系的影响比不育系大,说明在杂交糯高粱选育中应重视恢复系的选择。各性状的狭义遗传力由大到小的顺序为生育期>株高>每穗粒重>穗长>千粒重>每穗粒数。
出处 《Agricultural Science & Technology》 CAS 2012年第10期2104-2109,共6页 农业科学与技术(英文版)
基金 Supported by National Sorghum Industry Technology Development System(CARS-06-01-05) Financial Genetic Breeding Program of Sichuan Province(2011JYGC11-031) Key R&D Program for Sorghum Breeding of Sichuan Province during the 12th Five Year Period Science&Technology Pillar Program in Sichuan Province Youth Funds of Sichuan Academy of Agricultural Sciences(2012QNJJ-023)~~
关键词 Hybrid glutinous sorghum Main agronomic traits Combining ability HERITABILITY 杂交糯高粱 主要农艺性状 配合力 遗传力
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