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大豆科学  2009 

施肥、品种及密度对大豆籽粒异黄酮含量的影响

DOI: 10.11861/j.issn.1000-9841.2009.01.0076, PP. 76-80

Keywords: 大豆异黄酮,品种,密度,施肥

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Abstract:

大豆异黄酮由于其特定生理保健功能而受到越来越广泛的关注。2006年进行了砂培试验,用以探索氮、磷、钾肥单因素对大豆籽粒异黄酮含量的影响规律。结果表明:氮肥对大豆籽粒异黄酮总含量有较大影响,低氮处理较高氮处理异黄酮总含量增加54.9%,低氮处理较均衡施肥异黄酮总含量增加23.3%。2007年进行了氮肥施用量、品种与栽培密度3因素田间试验。结果表明:品种、密度、施氮量3项效应及其所有的互作项对大豆籽粒异黄酮总含量与3种组分含量均具有极显著的效应。氮肥施用量对大豆籽粒异黄酮含量的影响规律与砂培试验的结果一致,即大豆籽粒异黄酮总含量随氮肥施用量的增加而降低。不同氮肥施用量、不同密度水平及不同品种间异黄酮总含量的变异幅度为5.97%、10.49%和28.44%。由于单项因素及互作项效应的存在,在进行高低异黄酮大豆栽培生产时,考虑各单项因素的同时也应注意各项因素不同水平的最佳组合。

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