|本期目录/Table of Contents|

[1]陈昆,张正亮,高磊.碱蓬内生菌对盐胁迫西瓜幼苗形态建成及生理特性的影响[J].江苏农业科学,2022,50(9):116-122.
 Chen Kun,et al.Influences of Suaeda salsa endophytes on morphogenesis and physiological characteristics of watermelon seedlings under salt stress[J].Jiangsu Agricultural Sciences,2022,50(9):116-122.
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碱蓬内生菌对盐胁迫西瓜幼苗形态建成及生理特性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第9期
页码:
116-122
栏目:
园艺与林学
出版日期:
2022-05-05

文章信息/Info

Title:
Influences of Suaeda salsa endophytes on morphogenesis and physiological characteristics of watermelon seedlings under salt stress
作者:
陈昆1张正亮2高磊3
1.商丘市农林科学院,河南商丘 476000; 2.河南省柘城县农业农村局,河南柘城476000;3.河南省商丘市土壤肥料站,河南商丘 476000
Author(s):
Chen Kunet al
关键词:
碱蓬内生菌盐胁迫西瓜形态建成生理特性
Keywords:
-
分类号:
S651.01
DOI:
-
文献标志码:
A
摘要:
为明确碱蓬内生菌对西瓜幼苗盐胁迫的缓解效应,以西瓜自交系材料HG-1和碱蓬内生菌为试验材料,采用外源添加NaCl溶液的方式模拟盐胁迫环境,通过在西瓜幼苗根部接种碱蓬内生菌,研究其对盐胁迫下西瓜幼苗形态建成、光合特性、活性氧积累及保护酶系统的影响。结果表明,盐胁迫能够显著降低西瓜幼苗株高、茎粗、地上部干鲜质量、根系干鲜质量,碱蓬内生菌液能够缓解盐胁迫对西瓜幼苗生长的抑制程度,且以复配后的NE2处理效果最佳。盐胁迫能够显著降低西瓜幼苗光合色素含量和光合能力,碱蓬内生菌液能够缓解盐胁迫对西瓜幼苗光合色素合成与净光合速率的抑制作用,且以复配后的NE2处理效果最佳。单纯NaCl胁迫能够显著促进西瓜叶片超氧阴离子的积累和丙二醛含量的增加,碱蓬内生菌液能够有效减轻活性氧的积累、降低丙二醛含量,其中NE2处理较单纯盐胁迫NE0处理分别降低37.54%、59.36%,且处理间差异显著(P<0.05)。单纯NaCl胁迫能够显著降低西瓜叶片保护酶活性,而碱蓬内生菌能有效缓解盐胁迫对保护酶活性的抑制作用,且以NE2处理的效果较佳,其中NE2处理下超氧化物歧化酶、过氧化物酶、抗坏血酸过氧化物酶活性较对照分别增加32.45%、27.28%、35.15%。表明碱蓬内生菌能够有效缓解NaCl对西瓜幼苗形态建成及生理特性的胁迫效应,且以复配后的NE2处理效果较好,能够用于缓解保护地西瓜的盐胁迫效应。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-11-08
基金项目:河南省科技攻关项目(编号:182102110371);河南省四优四化项目(编号:20200315063)。
作者简介:陈昆(1985—),男,河南商丘人,硕士,助理研究员,主要从事西瓜生理生态及西瓜育种研究。E-mail:415417442@qq.com。
通信作者:高磊,高级农艺师,主要从事西瓜生理生态及西瓜育种研究。E-mail:415417442@qq.com。
更新日期/Last Update: 2022-05-05