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青海引进玉米品种形态性状遗传多样性研究

Chen-bang HE,Jin-fu MA,Min WANG,Jian-lan HE, San-cai LI

Science and Technology of Qinghai Agriculture and Forestry（2014）

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Abstract
56个引进玉米品种的18个形态性状的平均多样性指数为1.6185,遗传多样性丰富;其中14个数量性状的平均多样性指数为1.8778,4个质量性状为0.7111,数量性状高出质量性状1.1667.穗行数的多样性程度最高(2.0921),粒型的多样性程度最低(0.3475).不同来源的甘肃群体(30份,1.5216)的遗传多样性比河北群体(18份,1.4226)和辽宁群体(6份,1.0219)丰富,多样性指数分别高出0.0990和0.4997.
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