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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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高产小麦品种冠层形态生理性状的研究
DOI: 10.3321/j.issn:1000-7091.1990.03.001, PP. 1-8
Keywords: 小麦,冠层性状,遗传分析,高产
Abstract:
对河南省及部分黄淮麦区种植的小麦高产品种的冠层形态、生理和产量性状相关分析和遗传分析的结果表明,小麦旗叶面积与主茎粒重、主茎粒数和每穗粒重呈显著正相关.穗下节长度和粗度与主茎粒重有显著的正相关.千粒重、旗叶长度、面积、基角、开张角和鞘长,穗下节长、颈长、穗长以及旗叶持续光合面积的遗传符合简单的加性显性模型.穗下节粗度和主茎粒重存在“互补型”的非等位基因互作.株高、旗叶宽、比叶重、叶绿素含量和主茎粒数似有基因的非随机分布.净光合速率的遗传则可能存在复杂因素.此外,对30个高产小麦品种的旗叶和穗下节形态作了分类.
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