| 锌肥对寒地春玉米幼苗生长发育及光合特性的影响 |
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| 引用本文： | 蔡鑫鑫,杨克军,王玉凤,吕晓丽,张崎峰.锌肥对寒地春玉米幼苗生长发育及光合特性的影响[J].中国西部科技,2014(1):51-53. |
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| 作者姓名： | 蔡鑫鑫 杨克军 王玉凤 吕晓丽 张崎峰 |
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| 作者单位： | [1]黑龙江省农业科学院黑河分院,黑龙江黑河164300 [2]黑龙江八一农垦大学农学院,黑龙江大庆163319 |
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| 基金项目： | “十二五”粮食丰产科技工程：东北平原北部（黑龙江）春玉米水稻持续丰产高效技术集成创新与示范（2011BAD16811-01SF05）;黑龙江省农业科学院青年基金（2012QN005）.r, |
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| 摘 要： | 本文通过水培试验,研究不同锌浓度对寒地春玉米幼苗的形态指标及气孔导度、蒸腾速率、净光合速率、胞间CO2浓度的影响。结果表明:寒地春玉米幼苗适宜锌浓度为0.01~1μmol?L-1。不同锌浓度对玉米生长的影响主要表现在地上部,而对地下部生长影响较小。在Zn浓度0.01~1μmol?L-1时锌的施用增加了玉米叶片气孔导度,提高了玉米叶片的净光合速率和蒸腾速率,提高了玉米幼苗瞬时水分利用率,从而增强了玉米幼苗的光合作用。
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| 关 键 词： | 玉米 锌 幼苗生长 光合特性 |
The Effects of Zinc on the Seedling Growth and Photosynthetic Performance of the Spring Maize |
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| CAI Xin-xin,YANG Ke-jun,WANG Yu-feng,LYU Xiao-li,ZHANG Qi-feng.The Effects of Zinc on the Seedling Growth and Photosynthetic Performance of the Spring Maize[J].Science and Technology of West China,2014(1):51-53. |
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| Authors: | CAI Xin-xin YANG Ke-jun WANG Yu-feng LYU Xiao-li ZHANG Qi-feng |
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| Institution: | 1. Heihe Branch of Heilongfiang Agricultural Sciences, Heihe, Heilongjiang 164300 China; 2. College of Agronomy, Heilongjiang August First Land Reclamation University, Daqing, Heilongjiang 163319 China) |
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| Abstract: | In order to investigate the effects of different zinc concentrations on physiological characteristics of maize seedling, different Zn-tolerant maize cultivars were used as materials. The results showed that the appropriate concentrations of zinc for maize seedlings varies from 0.01-1μmoloL-1. Different Zn concentrations had more effects on aerial part than underground part. Zn concentration of 0.01 - 1 μmol.L-1 increased the stomata conductance of maize leaves, which increased the net photosynthetic rate and transpiration rate, as well as the instantaneous water use efficiency of maize seedlings, thus increasing the photosynthesis of maize seedlings. |
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| Keywords: | Maize Zinc Seedling Growth Photosynthetic Performance |
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