[1]李运祥,王忠,顾蕴洁,等.施氮处理对稻米淀粉积累的影响[J].南京师大学报(自然科学版),2003,26(04):68-71.
　Li Yunxiang,Wang Zhong,Gu Yunjie,et al.Effects of Various Nitrogen Treatments on Starch Accumulation in Caryopsis During the Rice Grain Filling[J].Journal of Nanjing Normal University(Natural Science Edition),2003,26(04):68-71.
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施氮处理对稻米淀粉积累的影响
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第26卷
期数:
2003年04期
页码:
68-71
栏目:
出版日期:
2003-12-30

文章信息/Info

Title:
Effects of Various Nitrogen Treatments on Starch Accumulation in Caryopsis During the Rice Grain Filling
作者:
李运祥; 王忠; 顾蕴洁; 陈召洲
扬州大学农学院农学系
Author(s):
Li Yunxiang; Wang Zhong; Gu Yunjie; Chen Zhaozhou
Department of Agronomy,Agriculture College,Yangzhou University, 225009, Yangzhou, PRC
关键词:
水稻;  颖果;  可溶性糖;  淀粉;  直链淀粉;  支链淀粉
分类号:
S511.2
摘要:
采用盆栽试验研究了不同施氮处理对粳稻"农垦57"和籼稻"IR36"两个水稻品种颖果淀粉积累的影响.结果如下:(1)灌浆期颖果中可溶性糖含量随着籽粒灌浆天数的增加而逐渐降低,籼稻变化明显快于粳稻,增加穗肥施氮量可降低灌浆初期颖果中可溶性糖含量.(2)颖果中淀粉和直链淀粉含量随籽粒灌浆天数的增加而逐渐上升,增加穗肥施氮量能显著降低颖果中直链淀粉含量.(3)颖果中支链淀粉在花后0～10d内增加较快,以后则保持较高比率缓慢地增长,施氮对支链淀粉含量没有显著的影响.

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备注/Memo

备注/Memo:
国家自然科学基金资助项目(30070454);扬州大学生命科学学科群2002年资助项目.
更新日期/Last Update: 2013-05-05