[1]张旭,马婷玉,王玉凤,等.芽胞杆菌对玉米萌芽期低温胁迫的缓解效应[J].黑龙江农业科学,2022,(06):11-17.[doi:DOI:10.11942/j.issn1002-2767.2022.06.0011]
　ZHANG Xu,MA Ting-yu,WANG Yu-feng,et al.Alleviation Effect of Bacillus on Low Temperature Stress in Maize Germination Stage[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(06):11-17.[doi:DOI:10.11942/j.issn1002-2767.2022.06.0011]
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芽胞杆菌对玉米萌芽期低温胁迫的缓解效应

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2022年06 页码: 11-17 栏目: 出版日期: 2022-06-10
Title:
Alleviation Effect of Bacillus on Low Temperature Stress in Maize Germination Stage
作者:
张旭1; 马婷玉1; 王玉凤1; 2; 杨克军1; 2
1.黑龙江八一农垦大学 农学院,黑龙江 大庆 163319; 2.黑龙江省现代农业栽培技术与作物种质改良重点实验室，黑龙江 大庆 163319
Author(s):
ZHANG Xu1; MA Ting-yu1; WANG Yu-feng1; 2; YANG Ke-jun1; 2
1.Agricultural College,Heilongjiang Bayi Agricultural University,Daqing 163319,China; 2.Key Laboratory of Modern Agricultural Cultivation Techniques and Crop Germplasm Improvement in Heilongjiang Province,Daqing 163319,China
关键词:
玉米; 芽胞杆菌; 低温胁迫
DOI:
DOI:10.11942/j.issn1002-2767.2022.06.0011
文献标志码:
A
摘要:
为提高玉米耐低温能力，本研究以玉米品种先玉335为试验材料，测定在低温胁迫下3种芽胞杆菌处理后玉米芽期芽干鲜重、根干鲜重、酶活性及渗透调节物质含量，从而探讨芽胞杆菌对低温胁迫下玉米生长的影响。结果表明：芽胞杆菌可以促进低温下玉米种子的萌发，8 ℃时，芽胞杆菌处理后玉米芽干重增加24.42%~38.37%，根长增加1.99%~16.50%，根部SOD活性提高6.61%~14.10%，芽中可溶性蛋白含量提高41.19%~50.05%，玉米芽部O-2含量降低了14.71%~24.32%。3种芽胞杆菌可以提高低温胁迫下玉米的抗氧化酶活性，降低超氧阴离子危害，增加渗透调节能力，促进玉米生长发育，缓解低温胁迫造成的伤害。
Abstract:
In order to improve the low temperature tolerance of maize, this study took maize variety Xianyu 335 as the experimental material to determine the dry and fresh weight of buds, dry and fresh weight of roots,enzyme activity and osmotic adjustment substance content after treatment with three kinds of Bacillus under low temperature stress, so as to explore the effect of Bacillus on the growth of maize under low temperature stress.The results showed that Bacillus could promote the germination of maize seeds under low temperature.At 8 ℃,the dry weight of buds increased by 24.42%-38.37%,the root length increased by 1.99%-16.50%,the SOD activity in roots increased by 6.61%-14.10%,the soluble protein content in buds increased by 41.19%-50.05%,and the O-2 content in buds decreased by 14.71%-24.32%.These three Bacillus species could improve the antioxidant enzyme activity of maize under low temperature stress,reduce the damage of superoxide anion,and increase the osmotic adjustment ability,promote growth and development of maize and alleviate the damage caused by low temperature stress.

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备注/Memo

收稿日期：2022-02-20

基金项目：黑龙江玉米产业技术协同创新体系；国家重点研发计划(2018YFD0300101)。
第一作者：张旭（1992-），女，硕士研究生，从事玉米高产理论与栽培技术研究。E-mail：bayinongdazx@163.com。
通信作者：杨克军（1968-），男，博士，教授，博导，从事玉米高产理论与栽培技术研究。E-mail：byndykj@163.com。

更新日期/Last Update: 2022-07-28