| 两种穗型冬小麦品种旗叶光合特性及氮素调控效应 |
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| 引用本文： | 郭天财,冯伟,赵会杰,薛国典,王化岑,王永华,姚战军. 两种穗型冬小麦品种旗叶光合特性及氮素调控效应[J]. 作物学报, 2004, 30(2): 115-121 |
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| 作者姓名： | 郭天财 冯伟 赵会杰 薛国典 王化岑 王永华 姚战军 |
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| 作者单位： | 河南农业大学国家小麦工程技术研究中心，河南郑州450002 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家科技攻关项目 |
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| 摘 要： | 在大田条件下，对两种穗型冬小麦品种生育后期旗叶光合特性及其氮素调控效应进行了研究。结果表明：大穗型品种豫麦66的旗叶叶绿素含量、PSⅡ潜在活性、PSⅡ光化学的最大效率、荧光光化学猝灭系数以及荧光非光化学猝灭系数等性状均优于多穗型品种豫麦49，且PSⅡ量子效率和光合速率在灌浆中后期具有明显优势，从而有利于豫麦66
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| 关 键 词： | 冬小麦 两种穗型 光合特性 氮素调控 |
| 收稿时间： | 2002-09-23 |
| 修稿时间： | 2002-09-23 |
Photosynthetic Characteristics of Flag Leaves and Nitrogen Effects in Two Winter Wheat Cultivars with Different Spike Type |
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| GUO Tian-Cai ,FENG Wei ,ZHAO Hui-Jie ,XUE Guo-Dian ,WANG Hua-Cen ,WANG Yong-Hua ,YAO Zhan-Jun. Photosynthetic Characteristics of Flag Leaves and Nitrogen Effects in Two Winter Wheat Cultivars with Different Spike Type[J]. Acta Agronomica Sinica, 2004, 30(2): 115-121 |
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| Authors: | GUO Tian-Cai FENG Wei ZHAO Hui-Jie XUE Guo-Dian WANG Hua-Cen WANG Yong-Hua YAO Zhan-Jun |
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| Affiliation: | National Engineering Research Center for Wheat，Henan Agricultural University，Zhengzhou 450002，Henan |
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| Abstract: | Field experiment was conducted to compare the photosynthetic characteristics of flag leaf in two wheat cultivars with different spike types and to investigate the effects of nitrogen levels on their photosynthetic characteristics in the late developmental stage．The results indicated that photosynth |
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| Keywords: | Winter wheat Different spike-type cultivars Photosynthetic characteristics Nitrogen regulation |
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