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    • 密度对双低油菜苏油7号产量与品质的影响

    张建栋,黄萌,孙华,陈培峰,宋英

    Journal of Anhui Agricultural Sciences（2017）

    Cited 3|Views14
    Abstract
    [目的]研究不同密度对苏油7号产量和主要品质的影响.[方法]通过田间试验,研究密度对苏油7号产量、产量构成因素、有效角果数、有效分枝数、品质性状的影响.[结果]随着密度的增加,产量有先增后减的趋势,密度间产量差异达极显著水平.低密度水平能显著增加单株有效角果数,随着密度降低单株有效角果数减少,单位面积角果数有先增后减的趋势;不同密度对每角粒数和千粒重影响不大.因此,高产主要取决于单位面积有效角果数.随着密度的增加,主轴和一次分枝有效角果数有所减少,二次分枝有效角果数和单株二次有效分枝数则显著减少.籽粒含油率和蛋白质含量随着密度增加而有所降低.[结论]在该试验条件下,为获得较高产量和保证双低品质,苏油7号适宜密度为13.5万株/hm2.
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