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大豆科学  2014 

黑龙江省中熟大豆品种遗传改良过程中产量和主要农艺性状的演变

DOI: 10.11861/j.issn.1000-9841.2014.06.0837, PP. 837-840

Keywords: 大豆,农艺性状,遗传改良

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Abstract:

对黑龙江省1981~2010年间育成的30个中熟大豆品种产量及农艺性状的遗传改良进行研究。结果表明:黑龙江省中熟大豆产量在30年间的品种改良过程中提高了32.67%,平均每年增加1.09%、增产22.38kg.hm-2,株高;主茎节数、单株荚数、单株粒数增加是产量增加的主要原因。主茎节数、单株荚数、单株粒数、单株粒重均与产量呈极显著正相关。提高主茎节数、单株荚数、单株粒数、单株粒重是黑龙江省未来大豆高产育种工作的主攻目标。

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