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Arbuscular mycorrhizal fungi for salinity stress: Anti-stress role and mechanisms

Pedosphere 2023年第1期33卷 212-224页

作者： Muzafar HDAR Syed MRAZVI Narender SINGH Ahmad MUSHTAQ Shahnawaz DAR Shabber HUSSAIN Department of Botany Kurukshetra UniversityKurukshetraHaryana 136119India Department of Plant Breeding and Genetics Sher-e Kashmir University of Agricultural Sciences and Technology of Kashmir(SKUAST-K)ShalimarSrinagar 190021India Research Center for Residue and Quality Analysis SKUAST-KShalimarSrinagar 190021India Krishi Vigyan Kendra(KVK)Kargil 11(Zanskar) SKUAST-KShalimarSrinagar 190021India

Salinity stress is considered one of the most harmful environmental plant stresses,as it reduces irrigated land crop production by over 20%***,it is imperative to develop salt-tolerant crops in addition to understanding various mechanisms enabling plant growth under saline stress ***,a novel biological approach that aims to address salinity stress has gained momentum,which involves the use of arbuscular mycorrhizal(AM)fungi in plant-microbe *** has been observed that most terrestrial plant root systems are colonized by AM fungi,which modulate plant growth in multiple *** such interactions,AM fungi obtain organic compounds from the host plant while providing mineral nutrients,including nitrogen,phosphorus,potassium,calcium,and sulfur,to the host *** recent decades,our understanding of the multifunctional roles played by AM fungi has been broadened and advanced,particularly regarding the mediation of mineral nutrients and the alleviation of stress(especially salt stress)in most crop *** uptake of phosphorus and augmented tolerance to salinity result in enhanced plant growth and *** evident anti-stress role of AM fungi and related mechanisms have been described separately,though they need to be analyzed and discussed ***,the present review addresses the major role of AM fungi in mitigating salt stress and their beneficial effects on plant growth and *** mechanisms employed by AM fungi to amplify the salt tolerance of host plants by increased nutrient accession(e.g.,phosphorus,nitrogen,and calcium),physiological changes(e.g.,photosynthetic efficiency,cell membrane permeability,water status,and nitrogen fixation),and biochemical changes(e.g.,the accumulation of different osmolytes such as proline and soluble sugars)are also ***,this review highlights the role of AM fungi in the Na+/H+*** plants,AM fungi inoculation increases the activities of mul

关键词： biochemical and physiological changes osmolytes plant-microbe interaction salt stress sodium accumulation

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