山东农业科学2024，Vol.56Issue(12)：47-53,7.DOI:10.14083/j.issn.1001-4942.2024.12.007
球毛壳菌ND35对盐胁迫下辣椒幼苗生长和生理特性的影响
Effects of Chaetomium globosum ND35 on Growth and Physiological Characteristics of Pepper Seedlings under Salt Stress
摘要
Abstract
In order to provide technical basis for the application of Chaetomium globosum ND35 in pro-duction of vegetables in saline-alkali soil,pepper seedlings were used as materials in the test,and the effects of inoculation with endophytic fungus C.globosum ND35 on growth and physiological characteristics of pepper seedlings under salt stress were studied by irrigating different salt solution(0,50,100 and 150 mmol·L-1 NaCl)to simulate salt stress.The results showed that under salt stress,inoculation with C.globosum ND35 could improve the fresh weight above and under ground as well root-shoot ratio of pepper seedlings compared with the control(CK)without inoculation.Under stress of 0,50,100 and 150 mmol·L-1 NaCl,the soluble protein content in leaves inoculated with C.globosum ND35 increased by 16.05%,9.11%,17.51%and 6.38%,respectively compared with CK;the malondialdehyde(MDA)and proline(Pro)contents decreased by 15.59%,6.68%,13.68%and 18.02%,and 26.93%,36.48%,33.28%and 50.80%,respectively;the activities of antioxidant enzymes(CAT,POD,SOD)were higher than that of CK,and the SOD activity in-creased by 126.86%when the NaCl concentration was 150 mmol·L-1.In conclusion,inoculation with the en-dophytic fungus C.globosum ND35 could enhance tolerance of pepper seedlings under salt stress and protect their healthy growth.关键词
内生真菌/球毛壳菌ND35/辣椒/盐胁迫/生理特性Key words
Endophytic fungus/Chaetomium globosum ND35/Pepper/Salt stress/Physiological char-acteristics分类
农业科技引用本文复制引用
孟庆果,李玲,高广增,孙帅斌,闫学成,高克祥..球毛壳菌ND35对盐胁迫下辣椒幼苗生长和生理特性的影响[J].山东农业科学,2024,56(12):47-53,7.基金项目
山东省重点研发计划项目(2018GNC111005) （2018GNC111005）
山东省重大科技创新工程项目(2019JZZY010714) （2019JZZY010714）
