| 氮素营养水平对春玉米叶片碳代谢的影响 |
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| 引用本文： | 其其格,李可,李刚,李春艳,曹国军.氮素营养水平对春玉米叶片碳代谢的影响[J].安徽农业科学,2010,38(19):9973-9974,9978. |
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| 作者姓名： | 其其格 李可 李刚 李春艳 曹国军 |
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| 作者单位： | 吉林农业大学资源与环境学院,吉林长春,130118;吉林省柳河县农业技术推广中心,吉林柳河,130012;吉林省通化县农业技术推广中心,吉林通化,134110 |
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| 基金项目： | "十一五"国家科技支撑计划重大项目 |
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| 摘 要： | 目的]研究供氮水平对春玉米叶片碳代谢的影响。方法]采用田间试验和室内分析相结合的方法,按春玉米生育期采样,探讨不同供氮水平对春玉米叶片中叶绿素含量及RuBP羧化酶和PEP羧化酶活性的影响。结果]适宜的供氮水平能使春玉米在各生育期叶片中叶绿素含量及RuBP羧化酶和PEP羧化酶活性均保持最高水平,供氮不足或过量（施N量大于400kg/hm2）均对春玉米叶片碳代谢产生不良影响。结论]该试验条件下,施N量300kg/hm^2,春玉米各生育期叶片中叶绿素含量及碳代谢关键酶的活性均最高,对增强叶片光合能力、促进产量形成、延缓叶片衰老具有重要意义。
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| 关 键 词： | 氮素营养 春玉米 碳代谢 |
Influences of Nitrogen Level on Carbon Metabolism of Spring Maize |
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| QI Qi-ge et al.Influences of Nitrogen Level on Carbon Metabolism of Spring Maize[J].Journal of Anhui Agricultural Sciences,2010,38(19):9973-9974,9978. |
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| Authors: | QI Qi-ge |
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| Institution: | QI Qi-ge et al(College of Resources and Environment,Jilin Agricultural University,Changchun,Jilin 130118) |
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| Abstract: | Objective] To study the effect of supplies of nitrogen level on spring maize leaf blade carbon metabolism.Method]In this experiment,field trail and biochemistry analysis were used to study the effect of the difference-nitrogen level on the content of chlorophyl and carboxylase activity of RuBP and PEP in the leaf of spring maize during main growing period.Result] Applying proper amount of N could keep relative higher content of chlorophyl and higher activity of carboxylase of RuBP and PEP in the leaf of ... |
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| Keywords: | Nitrogen nutrition Spring maize Carbon metabolism |
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