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中文
Journal
2016
,
Vol. 29
Issue (4)
: 18-22
DOI
:
Research Report
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Abstract
为了研究叶面积指数(Leaf area idex,LAI)与产量的关系,以水稻合美占、粤晶丝苗2号品种为试验材料,采取比叶质量法对叶面积指数进行了测定,并对水稻不同生育期LAI与产量及其产量因素的关系进行了研究.结果表明:不同生育期LAI与产量、单位面积穗数和每穗粒数呈正相关,与千粒质量和结实率呈负相关,决定系数平均达0.4~0.9以上,且粤晶丝苗2号决定系数整体高于合美占;提高不同生育期LAI,不能同步提高产量4因素.
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