Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments

Abstract Arbuscular mycorrhizal fungi (AMF) species are essential for sustainable agriculture of legume crops; however, the AMF response in legume crops, especially from the perspective of physiological and molecular mechanisms under salinity conditions, is largely unknown. In this study, peanut (Ar...

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Autores principales:	Wenjie Qin, Hengyu Yan, Bingyin Zou, Runze Guo, Dunwei Ci, Zhaohui Tang, Xiaoxia Zou, Xiaojun Zhang, Xiaona Yu, Yuefu Wang, Tong Si
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	antioxidant system Arbuscular mycorrhizal fungi photosystem salt tolerance yield Agriculture S Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/d691ac137f56471d8b3b1179f97e87c9
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spelling	oai:doaj.org-article:d691ac137f56471d8b3b1179f97e87c92021-11-17T04:20:04ZArbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments2048-369410.1002/fes3.314https://doaj.org/article/d691ac137f56471d8b3b1179f97e87c92021-11-01T00:00:00Zhttps://doi.org/10.1002/fes3.314https://doaj.org/toc/2048-3694Abstract Arbuscular mycorrhizal fungi (AMF) species are essential for sustainable agriculture of legume crops; however, the AMF response in legume crops, especially from the perspective of physiological and molecular mechanisms under salinity conditions, is largely unknown. In this study, peanut (Arachis hypogaea L.) seeds were inoculated with AMF to investigate its salinity stress alleviation effects using the pot‐grown and 2‐year field experiments. Seeds from two peanut cultivars (HY22 and HY25) were inoculated with AMF Rhizophagus irregularis SA and Funneliformis mosseae BEG95 (1:1), and the physiological and transcriptional responses were compared between the AMF‐inoculated and non‐inoculated peanut plants. Under the salinity stress, compared with the control samples, the AMF‐inoculated plants showed higher net photosynthetic rate, leaf relative water content (RWC), plant height, osmolyte accumulation, but lower leaf relative electrolyte conductivity (REC). Also, the malondialdehyde (MDA) concentration was reduced while the antioxidant enzymes such as superoxide dismutase (SOD), guaiacol peroxidase (G‐POD), catalase (CAT), and ascorbate peroxidase (APX) were activated. Furthermore, transcriptome data revealed that AMF potentially alleviates salt stress by regulating redox processes, cell wall assembly, cell growth, and other similar processes. In the 2‐year field experiment, AMF‐inoculated peanut seeds of HY22 and HY25 were cultivated in both non‐saline and saline soils. Under salinity conditions, AMF inoculation induced the total protein concentration by 11.11 and 2.32% in kernels and further increased the peanut pod yield by 21.83 and 21.89% in HY22 and HY25, respectively. In non‐saline soil too, AMF increased the peanut pod yield by 11.47 and 23.98% in HY22 and HY25, respectively. Taken together, these results strongly demonstrate that the combination of AMF Rhizophagus irregularis SA and Funneliformis mosseae BEG95 (1:1) can alleviate salinity stress in peanuts by improving plant growth, photosystem, and antioxidant system. Additionally, it increases the peanut pod yield under both normal and salinity conditions.Wenjie QinHengyu YanBingyin ZouRunze GuoDunwei CiZhaohui TangXiaoxia ZouXiaojun ZhangXiaona YuYuefu WangTong SiWileyarticleantioxidant systemArbuscular mycorrhizal fungiphotosystemsalt toleranceyieldAgricultureSAgriculture (General)S1-972ENFood and Energy Security, Vol 10, Iss 4, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antioxidant system Arbuscular mycorrhizal fungi photosystem salt tolerance yield Agriculture S Agriculture (General) S1-972
spellingShingle	antioxidant system Arbuscular mycorrhizal fungi photosystem salt tolerance yield Agriculture S Agriculture (General) S1-972 Wenjie Qin Hengyu Yan Bingyin Zou Runze Guo Dunwei Ci Zhaohui Tang Xiaoxia Zou Xiaojun Zhang Xiaona Yu Yuefu Wang Tong Si Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
description	Abstract Arbuscular mycorrhizal fungi (AMF) species are essential for sustainable agriculture of legume crops; however, the AMF response in legume crops, especially from the perspective of physiological and molecular mechanisms under salinity conditions, is largely unknown. In this study, peanut (Arachis hypogaea L.) seeds were inoculated with AMF to investigate its salinity stress alleviation effects using the pot‐grown and 2‐year field experiments. Seeds from two peanut cultivars (HY22 and HY25) were inoculated with AMF Rhizophagus irregularis SA and Funneliformis mosseae BEG95 (1:1), and the physiological and transcriptional responses were compared between the AMF‐inoculated and non‐inoculated peanut plants. Under the salinity stress, compared with the control samples, the AMF‐inoculated plants showed higher net photosynthetic rate, leaf relative water content (RWC), plant height, osmolyte accumulation, but lower leaf relative electrolyte conductivity (REC). Also, the malondialdehyde (MDA) concentration was reduced while the antioxidant enzymes such as superoxide dismutase (SOD), guaiacol peroxidase (G‐POD), catalase (CAT), and ascorbate peroxidase (APX) were activated. Furthermore, transcriptome data revealed that AMF potentially alleviates salt stress by regulating redox processes, cell wall assembly, cell growth, and other similar processes. In the 2‐year field experiment, AMF‐inoculated peanut seeds of HY22 and HY25 were cultivated in both non‐saline and saline soils. Under salinity conditions, AMF inoculation induced the total protein concentration by 11.11 and 2.32% in kernels and further increased the peanut pod yield by 21.83 and 21.89% in HY22 and HY25, respectively. In non‐saline soil too, AMF increased the peanut pod yield by 11.47 and 23.98% in HY22 and HY25, respectively. Taken together, these results strongly demonstrate that the combination of AMF Rhizophagus irregularis SA and Funneliformis mosseae BEG95 (1:1) can alleviate salinity stress in peanuts by improving plant growth, photosystem, and antioxidant system. Additionally, it increases the peanut pod yield under both normal and salinity conditions.
format	article
author	Wenjie Qin Hengyu Yan Bingyin Zou Runze Guo Dunwei Ci Zhaohui Tang Xiaoxia Zou Xiaojun Zhang Xiaona Yu Yuefu Wang Tong Si
author_facet	Wenjie Qin Hengyu Yan Bingyin Zou Runze Guo Dunwei Ci Zhaohui Tang Xiaoxia Zou Xiaojun Zhang Xiaona Yu Yuefu Wang Tong Si
author_sort	Wenjie Qin
title	Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
title_short	Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
title_full	Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
title_fullStr	Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
title_full_unstemmed	Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments
title_sort	arbuscular mycorrhizal fungi alleviate salinity stress in peanut: evidence from pot‐grown and field experiments
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/d691ac137f56471d8b3b1179f97e87c9
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Arbuscular mycorrhizal fungi alleviate salinity stress in peanut: Evidence from pot‐grown and field experiments

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