| 低氮胁迫对粮饲兼用型玉米幼苗生长的影响 |
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| 引用本文： | 宋桂云,范富,杨恒山,侯迷红,苏雅乐,乔宏伟,范秀艳.低氮胁迫对粮饲兼用型玉米幼苗生长的影响[J].内蒙古民族大学学报(自然科学版),2011,26(2). |
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| 作者姓名： | 宋桂云 范富 杨恒山 侯迷红 苏雅乐 乔宏伟 范秀艳 |
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| 作者单位： | 内蒙古民族大学,农学院,内蒙古通辽,028042 |
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| 摘 要： | 选用通辽地区主栽的粮饲兼用型玉米品种郑单958和金山10为试验材料进行无土栽培,研究低氮胁迫对玉米幼苗生物学特性的影响,结果表明:低氮胁迫下,两品种根数、根体积、干重、株高等指标较小,且增长速度远低于高氮处理;随着生育进行,两品种根冠比均随着氮素水平的提高而下降,郑单958玉米幼苗根冠比在0 mmol/L与2 mmol/L、8 mmol/L之间存在显著差异;金山10号根冠比在0.4 mmol/L与8 mmol/L之间存在显著差异,0 mmol/L与8 mmol/L之间存在极显著差异.
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| 关 键 词： | 粮饲兼用型玉米 低氮胁迫 根冠比 株高 |
Low Nitrogen Stress on the Influence about Seedling' Growth of Grain-forage Maize |
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| SONG Gui-yun,FAN Fu,YANG Heng-shan,HOU Mi-hong,Suyale,QIAO Hong-wei,FAN Xiu-yan.Low Nitrogen Stress on the Influence about Seedling' Growth of Grain-forage Maize[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),2011,26(2). |
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| Authors: | SONG Gui-yun FAN Fu YANG Heng-shan HOU Mi-hong Suyale QIAO Hong-wei FAN Xiu-yan |
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| Institution: | SONG Gui-yun,FAN Fu,YANG Heng-shan,HOU Mi-hong,Suyale,QIAO Hong-wei,FAN Xiu-yan (Agricultural College,Inner Mongolia University for Nationalities,Tongliao 028042,China) |
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| Abstract: | The grain-forage maize-Zhengdan 958 and Jinshan 10 were used as the test materials to study the influence of low-nitrogen stress on maize seedling' biological characteristics,the results were as the following:the root number and volume,dry weight,plant height were all smaller and grew slowly under low-nitrogen stress than those under high-nitrogen condition;Two varieties' root/shoot ration decreased with the improvement of the nitrogen level as the growing process.The seedling' root/shoot ration of Zhengdan... |
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| Keywords: | Grain-forage Maize Low-nitrogen Stress Root/shoot Ration Plant Height |
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