文献类型：期刊文献

中文题名：鼓粒期淹水胁迫对大豆叶片AsA-GSH循环的损伤及烯效唑的缓解效应

英文题名：Damage to the AsA-GSH cycle of soybean leaves under waterlogging stress at in seed filling period growth stages and the mitigation effect of uniconazole

作者：王诗雅[1];郑殿峰[2];冯乃杰[2];梁喜龙[1,3];项洪涛[4];冯胜杰[1];王新欣[1];左官强[1]

机构：[1]黑龙江八一农垦大学农学院,黑龙江大庆163319;[2]广东海洋大学滨海农业学院,广东湛江524088;[3]黑龙江八一农垦大学植物生长调节剂工程技术研究中心,黑龙江大庆163319;[4]黑龙江省农业科学院耕作栽培研究所,黑龙江哈尔滨150086

年份：2021

卷号：30

期号：7

起止页码：157

中文期刊名：草业学报

外文期刊名：Acta Prataculturae Sinica

收录：CSTPCD、、CSCD2021_2022、Scopus、北大核心、CSCD、北大核心2020

基金：国家自然科学基金面上项目(31871576);黑龙江省自然科学基金重点项目(ZA2017003);研究生创新项目(YJSCX2019-Y96)资助。

语种：中文

中文关键词：大豆;淹水胁迫;叶片;烯效唑;AsA-GSH循环

外文关键词：soybean;waterlogging stress;leaf;uniconazole;AsA-GSH cycle

中文摘要：为研究淹水胁迫下喷施烯效唑(S3307)对不同大豆品种的影响,以耐涝品种‘垦丰14’和涝渍敏感品种‘垦丰16’大豆为试验材料,进行盆栽试验,研究鼓粒期(R5)淹水胁迫对大豆叶片膜脂过氧化程度(MDA)、活性氧(ROS)和抗坏血酸-谷胱甘肽(AsA-GSH)循环系统的损伤及S3307的缓解效应。结果表明:R5期淹水胁迫显著增加了两品种大豆叶片内MDA含量,加速了ROS的积累,且相同时间垦丰16增幅大于垦丰14。叶面喷施S3307可有效提高非酶抗氧化剂含量,增加关键酶活性,降低叶片MDA含量,抑制ROS积累,减少淹水胁迫对膜系统造成的伤害,并在恢复正常水分处理后,维持较高的关键酶活性和非酶抗氧化剂含量,促进两品种大豆叶片恢复至正常状态,且垦丰14恢复能力优于垦丰16。综上,淹水胁迫对两种耐涝性不同的大豆品种叶片中AsA-GSH循环具有不同程度的影响,S3307可在一定程度上减缓淹水胁迫所造成的危害。

外文摘要：This research explored the effect of spraying uniconazole(S3307)on two different soybean varieties under waterlogging stress.The waterlogging-tolerant variety Kenfeng 14 and the waterlogging-sensitive variety Kenfeng 16 were studied in pot experiments.The degree of membrane lipid peroxidation as indicated by malondialdehyde(MDA)concentration,and levels of reactive oxygen species(ROS)and peptide ascorbic acid-glutathione(AsA-GSH)in soybean leaves under waterlogging stress at growth stage R5(seed filling period)were evaluated.AsA-GSH circulatory system damage was detected and S3307 had an alleviating effect.The results showed that waterlogging stress at the R5 growth stage significantly increased the MDA content in the leaves of the two tested soybean varieties and accelerated the accumulation of ROS.A greater increase was observed in the waterlogging-sensitive variety Kenfeng 16 than in Kenfeng 14.After foliar spraying with S3307,the concentration of non-enzyme antioxidants and the activities of key enzymes were increased,and the MDA concentration of leaves was reduced.S3307 inhibited the accumulation of ROS,reduced the damage caused by waterlogging stress to the membrane system,and assisted the maintenance of a high level of key enzyme activity and non-enzymatic antioxidant concentrations.The benefits of S3307 application persisted after plants were returned to normal soil water levels,S3307 and promoted the recovery of the two soybean varieties to a normal growth status.The recovery ability of waterlogging-tolerant variety Kenfeng 14 was better than Kenfeng 16.In summary,waterlogging stress had contrast effects on the AsA-GSH cycle in the leaves of two soybean varieties with different waterlogging tolerances.S3307 partially alleviated the damage caused by the waterlogging stress.