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lnherit蛆ee:Utility value 小麦的产量性状一直是小麦遗传育种研究的重 点,长期以来.有关小麦产量性状的研究粒多,但主 要集中于育种、裁堵等方面… ,而有关小麦产量性 状的遗传研究较少.杨武德等 进行了冬小麦产 量性状的遗传敛应分析,结果表明.株高和主穗长主 要受加性效应控制,而单株穗鼓、主穗小穗敦、千粒 重和单株粒重主要受显性*环境互作效应影响.姚 金保等…1研究了小麦穗粒数和粒重的遗传,结果表 明,每穗粒敷和粒重的遗传均符合加性r昆性模型. 基因作用方式m加性敷应为主.显性程度为部分显 t#日自:删.∞ 目日F:剐∞ §￡Ⅲ目:目g

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