| 低温胁迫下冠菌素对玉米幼苗生理特性的调控 |
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| 引用本文： | 杨德光,尉菊萍,樊海潮,刘洋,谷景龙,蒋芳芳,张倩,姜峰,谭伟明,刘怀宇,孙平立. 低温胁迫下冠菌素对玉米幼苗生理特性的调控[J]. 玉米科学, 2018, 26(2): 81-88 |
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| 作者姓名： | 杨德光 尉菊萍 樊海潮 刘洋 谷景龙 蒋芳芳 张倩 姜峰 谭伟明 刘怀宇 孙平立 |
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| 作者单位： | 东北农业大学农学院;中国农业大学农学与生物技术学院/植物生长调节剂教育部工程研究中心 |
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| 基金项目： | 中国博士后科学基金（2015M571383）、黑龙江省博士后资金项目（LBH-Z14028）、农业部农业科研杰出人才及创新团队项目（2016） |
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| 摘 要： | 以玉米自交系Kr701为试验材料,叶面喷施5个不同浓度的冠菌素(COR),对照为清水,于4℃低温胁迫下培养48 h后取材,研究冠菌素(COR)对低温胁迫下玉米幼苗株高、干鲜重、相对电导率、可溶性蛋白、脯氨酸、相对含水量、SOD(超氧化物歧化酶)、POD(过氧化物酶)、APX(抗坏血酸过氧化物酶)生理生化指标的影响。结果表明,低温会抑制玉米幼苗的正常生长,各个浓度的COR处理均能促进幼苗的生长,缓解叶片相对含水量的降低和电解质的外渗,增加渗透调节物质的含量和抗氧化酶(SOD、POD、APX)的活性,增强活性氧清除能力,以0.01μmol/L处理效果最显著。喷施适宜浓度的COR能通过调控玉米幼苗各个生理生化指标来增强其抗冷性,从而缓解低温对幼苗所造成的伤害。
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| 关 键 词： | 玉米 低温胁迫 冠菌素 生理特性 |
| 收稿时间： | 2017-07-08 |
Physiological Effects of Coronatine on Maize Seedlings under Low Temperature Stress |
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| YANG De-guang,YU Ju-ping,FAN Hai-chao,LIU Yang,GU Jing-long,JIANG Fang-fang,ZHANG Qian,JIANG Feng,TAN Wei-ming,LIU Huai-yu and SUN Ping-li. Physiological Effects of Coronatine on Maize Seedlings under Low Temperature Stress[J]. Journal of Maize Sciences, 2018, 26(2): 81-88 |
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| Authors: | YANG De-guang YU Ju-ping FAN Hai-chao LIU Yang GU Jing-long JIANG Fang-fang ZHANG Qian JIANG Feng TAN Wei-ming LIU Huai-yu SUN Ping-li |
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| Affiliation: | College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agriculture, Northeast Agricultural University, Harbin 150030,College of Agronomy and Biotechnology, China Agricultural University/Engineering Research Center of Plant Growth Regulator, Ministry of Education, Beijing 100193, China,College of Agronomy and Biotechnology, China Agricultural University/Engineering Research Center of Plant Growth Regulator, Ministry of Education, Beijing 100193, China,College of Agriculture, Northeast Agricultural University, Harbin 150030 and College of Agriculture, Northeast Agricultural University, Harbin 150030 |
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| Abstract: | |
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| Keywords: | Maize Low temperature stress Coronatine Physiological property |
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