[1]范志伟,陈志祥,杨家明,等.水分胁迫和间作对马铃薯产量、软腐病发病率和ASAGSH循环的协同影响[J].江苏农业科学,2026,54(16):186-192.
 Fan Zhiwei,et al.Synergistic effects of water stress and intercropping on potato yield,soft rot incidence and ASAGSH cycle[J].Jiangsu Agricultural Sciences,2026,54(16):186-192.
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水分胁迫和间作对马铃薯产量、软腐病发病率和ASAGSH循环的协同影响()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第16期
页码:
186-192
栏目:
耕作栽培与生理生化
出版日期:
2026-08-20

文章信息/Info

Title:
Synergistic effects of water stress and intercropping on potato yield,soft rot incidence and ASAGSH cycle
作者:
范志伟1; 陈志祥1; 杨家明2; 肖栋文2; 徐胜光1; 陈泽斌1; 林丽1; 周银龙3
1.昆明学院农学与生命科学学院,云南昆明 650214; 2.云南省曲靖市罗平县板桥镇农业农村发展服务中心,云南曲靖 655815; 3.云南省花卉技术培训推广中心,云南昆明 650228
Author(s):
Fan Zhiwei; et al
关键词:
干旱胁迫; 涝胁迫; 玉米马铃薯间作; 产量; 软腐病发病率; ASA-GSH循环
Keywords:
-
分类号:
S344.2;S532.04
DOI:
-
文献标志码:
A
摘要:
为理解土壤水分胁迫和间作对马铃薯抗坏血酸-谷胱甘肽(ascorbate-glutathione,ASA-GSH)循环和产量的协同影响,以玉米与马铃薯间作为研究对象,设置不同的土壤含水量40%和70%,测量了马铃薯产量、软腐病发病率以及植株ASA-GSH循环抗氧化物质含量和酶活性。结果表明:(1)40%土壤含水量时,间作马铃薯株高显著大于单作马铃薯,但70%土壤含水量时,两者无显著差异;土壤含水量由40%增加至70%,显著降低了间作马铃薯株高,未显著影响单作马铃薯株高。(2)40%土壤含水量时,单作马铃薯和间作马铃薯软腐病发病率均为0;70%土壤含水量时,间作马铃薯软腐病发病率依然为0,单作马铃薯软腐病发病率为49.6%。(3)40%土壤含水量时,间作马铃薯产量显著低于单作马铃薯;70%土壤含水量时,间作马铃薯的产量显著大于单作马铃薯;土壤含水量由40%增加至70%后,单作马铃薯的产量显著降低,而间作马铃薯产量显著提高。(4)40%土壤含水量时,玉米的种间相对关系指数(interspecific relative interaction index,IRII)为正值,马铃薯的IRII为负值;70%土壤含水量时,玉米和马铃薯的IRII均为正值。(5)40%土壤含水量时,间作马铃薯ASA和GSH含量、抗坏血酸过氧化物酶(ascorbate peroxidase,APX)和谷胱甘肽还原酶(glutathione reductase,GR)活性均显著高于单作马铃薯;70%土壤含水量时,间作马铃薯ASA和GSH含量与单作马铃薯无显著差异,但间作马铃薯APX、GR活性显著低于单作马铃薯;土壤含水量由40%增加至70%后,单作马铃薯ASA和GSH含量无显著变化,但APX和GR活性显著提高;间作马铃薯ASA和GSH含量、APX和GR活性均显著降低。综上,40%土壤含水量时,间作马铃薯相对单作马铃薯受到了干旱胁迫并表现出全系统防御,即ASA和GSH含量、APX和GR活性均显著提高;70%土壤含水量时,单作马铃薯相对间作马铃薯受到了涝胁迫并主要依赖酶系统防御,即APX和GR等酶活性提高,但ASA和GSH等抗氧化物质含量无变化。本研究结果可明确水分胁迫和间作系统对马铃薯ASA-GSH循环的协同影响,有助于通过水分管理和种植模式激活作物内在抗逆潜能,以指导生产实践抗旱防涝。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2025-11-29
基金项目:云南省地方本科高校基础研究联合专项(编号:202101BA070001-139、202301BA070001-010、202401BA070001-004);春城产业技术领军人才专项(编号:昆发改人才202201)。
作者简介:范志伟(1979—),男,山西运城人,博士,副教授,主要从事农业可持续发展研究。E-mail:fanzw2010@163.com。
通信作者:徐胜光,博士,研究员,主要从事作物健康栽培研究,E-mail:sgxu2011@126.com;周银龙,助理农艺师,主要从事作物健康栽培研究,E-mail:422344832@qq.com。
更新日期/Last Update: 2026-08-20