华北农学报 ›› 2009, Vol. 24 ›› Issue (6): 103-108. doi: 10.7668/hbnxb.2009.06.021

所属专题: 水稻

• 论文 • 上一篇    下一篇

粳稻不同发育时期剑叶含氮量与稻米食味品质的关系

李金州1, 张春红2, 朱镇2, 张亚东2, 赵凌2, 王才林2   

  1. 1. 南京农业大学, 农学院,江苏 南京 210095;
    2. 江苏省农业科学院, 粮食作物研究所
  • 收稿日期:2009-08-29 出版日期:2009-12-28
  • 通讯作者: 王才林(1959-),男,江苏人,研究员,博士生导师,主要从事水稻遗传育种和品质改良研究。
  • 作者简介:李金州(1981-),男,河南人,硕士,主要从事水稻品质改良研究.
  • 基金资助:
    国家科技支撑计划项目(2006BAD01A01-5);农业部行业科研专项(nyhyzx07-001-006);江苏省重大科技支撑计划项目(BE2008354);江苏省农业科技自主创新基金(CX[08]603)

The Relation between Flag Leaves at Different Growth Stages and Eating Quality of Japonica Rice

LI Jin-zhou1, ZHANG Chun-hong2, ZHU Zhen2, ZHANG Ya-dong2, ZHAO Ling2, WANG Cai-lin2   

  1. 1. College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China;
    2. Institute of Food Crops, Jiangsu High Quality Rice R&D Center, Nanjing Branch of China National Center for Rice Improvement, Jiangsu Academy of Agriculture Sciences, Nanjing 210014, China
  • Received:2009-08-29 Published:2009-12-28

摘要: 为定量分析水稻剑叶含氮量、籽粒蛋白质含量与食味值的相互关系,改善稻米的食味品质,以4份不同地理来源的优质粳稻品种为材料,测定抽穗后不同发育时期剑叶的含氮量,并于成熟期收获籽粒测定蛋白质含量及稻米食味值.结果表明,抽穗期和抽穗后7 d剑叶含氮量与食味值相关系数最大,分别为-0.35**和-0.1**.并通过多元逐步回归和聚类分析建立了根据剑叶含氮量预测稻米食味值的最优回归方程Y=74.879-2.450 X1-2.22 X_2,且发现当抽穗期和抽穗后7 d剑叶含氮量小于或等于3.7%时,稻米食味值较高.

关键词: 水稻, 剑叶, 含氮量, 蛋白质含量, 食味值

Abstract: This study aimed to analyze the relationship between the nitrogen content of flag leaves,grain protein content and taste value in japonica rice,and to improve eating qualityof Japoniaca rice.Using 46 varietiesfrom different geographical sources for research materials,this study measured the nitrogen content of flag leaves after heading stage,and mesured protein content and taste value at kernal maturity stage.The result showd that correlation coefficient between nitrogen content of flag leaves heading stage and seven days after heading with taste value were maximal,ie 0.63533and 0.66133respectively.We constructed a optimum regression equation about rice eating quality by multiple stepwise regression and clustering analysis,ie Y = 74.879 2.450 X12.62X2,and the rice taste was excellent when the nitrogen content of flag leaves in heading stage and after seven days was equal to or blow 3.7 %.

Key words: Japoniaca rice, Flag leaf, Nitrogen content, Protein content, Taste value

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引用本文

李金州, 张春红, 朱镇, 张亚东, 赵凌, 王才林. 粳稻不同发育时期剑叶含氮量与稻米食味品质的关系[J]. 华北农学报, 2009, 24(6): 103-108. doi: 10.7668/hbnxb.2009.06.021.

LI Jin-zhou, ZHANG Chun-hong, ZHU Zhen, ZHANG Ya-dong, ZHAO Ling, WANG Cai-lin. The Relation between Flag Leaves at Different Growth Stages and Eating Quality of Japonica Rice[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2009, 24(6): 103-108. doi: 10.7668/hbnxb.2009.06.021.

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