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Effect of nitrogen application on content and accumulation of grain protein components of winter wheat
Author(s): LIU Zunying, GUO Tiancai, ZHU Yunji, WANG Chenyang, WANG Yonghua, KANG Guozhang, TIAN Guangxu
Pages: 317-
320
Year: 1999
Issue:
4
Journal: ACTA AGRICULTURAE UNIVERSITATIS HENANENSIS
Keyword: 小麦; 氮素供应; 品质; 蛋白质组分; 子粒蛋白质含量;
Abstract: 在施纯氮总量240 kg.hm-2条件下,研究了等量氮肥不同基追比例和不同施肥时期对小麦子粒蛋白质组分及积累动态的影响,结果表明,氮肥不同基追比例各处理的醇溶蛋白和麦谷蛋白含量均比全部底施有不同程度的提高.随追氮时期后延,清蛋白含量变化不大,醇溶蛋白含量以抽穗期追氮为最高,球蛋白和麦谷蛋白含量则以孕穗期追氮为最高.醇溶蛋白的积累动态呈"高-低-高"的变化趋势,麦谷蛋白积累则呈现由低到高的变化动态,氮素供应对2种蛋白质组分的积累动态有明显的调节效应.
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