| 高产玉米群体光和CO_2分布特征研究 |
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| 引用本文： | 温日红,刘江,姜鹏,蒋娇娇,杨萌.高产玉米群体光和CO_2分布特征研究[J].现代农业科技,2010(8):46-47,50. |
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| 作者姓名： | 温日红 刘江 姜鹏 蒋娇娇 杨萌 |
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| 作者单位： | 沈阳农业大学,辽宁沈阳,110866 |
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| 摘 要： | 以先玉335为试验材料,对比研究高产栽培和一般栽培灌浆期群体内光和CO2的分布特征。结果表明:高产群体中层有较高的光强,高产群体冠层截获光的能力大于对照,在穗位处截获率达到94.67%,120 cm以上高产群体的叶面积指数大于对照群体,高产群体内CO2浓度上午大于对照,下午小于对照。高产玉米群体的光能利用率较高,光合能力较强,从而达到高产的目的。
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| 关 键 词： | 玉米 光量子密度 CO2浓度 分布特征 |
Study on Distribution Characteristics of Light and CO2 in High-Yielding Maize Population |
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| Authors: | WEN Ri-hong LIU Jiang JIANG Peng JIANG Jiao-jiao YANG Meng |
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| Institution: | WEN Ri-hong LIU Jiang JIANG Peng JIANG Jiao-jiao YANG Meng(Shenyang Agricultural University,Shenyang Liaoning 110866) |
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| Abstract: | Taking Xianyu 335 as test material,through the contrast of high yield cultivation and general cultivation,the distribution characteristics of light and CO2 in the intragroup of filling stage was studied in this paper.The results showed that the neighborhood light interception ratio in each layer of high-yielding maize group was higher than control,interception rate in the ear reach achieves 94.67%.The leaf area index of highyielding group was larger than control,and the CO2 concentration was higher in the m... |
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| Keywords: | maize photons density CO2 concentration distribution characteristics |
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