Arbuscular Mycorrhizal Fungi in Alleviation of Drought Stress on Grain Yield and Yield Components of Mungbean (Vigna Radiata L.) Plants

Habibzadeh, Yagoob

doi:10.18483/ijsci.651

Cited by 9 publications

(8 citation statements)

References 16 publications

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“…AM symbiosis is known to improve plant performance under various environmental stresses, such as drought, and to change plant water relations in both well-watered and water-stressed conditions Ruiz-Lozano, 2003;Ruíz-Lozano and Aroca, 2010). An increased productivity of AM plants in soils under drought also has been reported (Habibzadeh, 2015). The thin AM fungal hyphae can explore soil pores inaccessible to root hairs, thus reaching water sources not available to non-AM plants.…”

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confidence: 75%

Insights On the Impact of Arbuscular Mycorrhizal Symbiosis On Tomato Tolerance to Water Stress

et al. 2016

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Arbuscular mycorrhizal (AM) fungi, which form symbioses with the roots of the most important crop species, are usually considered biofertilizers, whose exploitation could represent a promising avenue for the development in the future of a more sustainable next-generation agriculture. The best understood function in symbiosis is an improvement in plant mineral nutrient acquisition, as exchange for carbon compounds derived from the photosynthetic process: this can enhance host growth and tolerance to environmental stresses, such as water stress (WS). However, physiological and molecular mechanisms occurring in arbuscular mycorrhiza-colonized plants and directly involved in the mitigation of WS effects need to be further investigated. The main goal of this work is to verify the potential impact of AM symbiosis on the plant response to WS. To this aim, the effect of two AM fungi (Funneliformis mosseae and Rhizophagus intraradices) on tomato (Solanum lycopersicum) under the WS condition was studied. A combined approach, involving ecophysiological, morphometric, biochemical, and molecular analyses, has been used to highlight the mechanisms involved in plant response to WS during AM symbiosis. Gene expression analyses focused on a set of target genes putatively involved in the plant response to drought, and in parallel, we considered the expression changes induced by the imposed stress on a group of fungal genes playing a key role in the water-transport process. Taken together, the results show that AM symbiosis positively affects the tolerance to WS in tomato, with a different plant response depending on the AM fungi species involved.

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confidence: 75%

Insights On the Impact of Arbuscular Mycorrhizal Symbiosis On Tomato Tolerance to Water Stress

et al. 2016

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“…The extraradical mycelium produced by AMF can extend and explore a great volume of soil which helps in the uptake of more water from soil. Thus, AMF assist in the maintenance of tissue water status, an avoidance mechanism to mitigate the adversities of drought on plant growth (Porcel and Ruiz‐Lozano , Habibzadeh ). Furthermore, AMF inoculation can improve drought resistance by increasing antioxidant potential, decreasing lipid peroxidation (Porcel et al.…”

Section: Management Practicesmentioning

confidence: 99%

“…, Sohrabi et al. ) and increasing osmoprotectants (Porcel and Ruiz‐Lozano , Habibzadeh ), which ultimately increase grain yield (Habibzadeh ). Atimanav and Adholeya () reported increased growth rates and phosphate uptake in legumes with AMF application.…”

Section: Management Practicesmentioning

confidence: 99%

Drought Stress in Grain Legumes during Reproduction and Grain Filling

Farooq

Gogoi

Barthakur

et al. 2016

J Agronomy Crop Science

352

189

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Water scarcity is a major constraint limiting grain legume production particularly in the arid and semi-arid tropics. Different climate models have predicted changes in rainfall distribution and frequent drought spells for the future. Although drought impedes the productivity of grain legumes at all growth stages, its occurrence during reproductive and grain development stages (terminal drought) is more critical and usually results in significant loss in grain yield. However, the extent of yield loss depends on the duration and intensity of the stress. A reduction in the rate of net photosynthesis, and poor grain set and grain development are the principal reasons for terminal drought-induced loss in grain yield. Insight into the impact and resistance mechanism of terminal drought is required for effective crop improvement programmes aiming to improve resistance to terminal drought in grain legumes. In this article, the impact of terminal drought on leaf development and senescence, light harvesting and carbon fixation, and grain development and grain composition is discussed. The mechanisms of resistance, management options, and innovative breeding and functional genomics strategies to improve resistance to terminal drought in grain legumes are also discussed.

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“…Soybean [ Glycine max (L.) Merrill] is the world’s most economically important legume 1 – 4 . However, increasingly frequent periods of water deficit provoked by climate change may cause significant losses in the productivity of the crop 5 – 7 .…”

Section: Introductionmentioning

confidence: 99%

The arbuscular mycorrhizal fungus Rhizophagus clarus improves physiological tolerance to drought stress in soybean plants

Oliveira

Cabral

Santana

et al. 2022

Sci Rep

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Soybean (Glycine max L.) is an economically important crop, and is cultivated worldwide, although increasingly long periods of drought have reduced the productivity of this plant. Research has shown that inoculation with arbuscular mycorrhizal fungi (AMF) provides a potential alternative strategy for the mitigation of drought stress. In the present study, we measured the physiological and morphological performance of two soybean cultivars in symbiosis with Rhizophagus clarus that were subjected to drought stress (DS). The soybean cultivars Anta82 and Desafio were grown in pots inoculated with R. clarus. Drought stress was imposed at the V3 development stage and maintained for 7 days. A control group, with well-irrigated plants and no AMF, was established simultaneously in the greenhouse. The mycorrhizal colonization rate, and the physiological, morphological, and nutritional traits of the plants were recorded at days 3 and 7 after drought stress conditions were implemented. The Anta82 cultivar presented the highest percentage of AMF colonization, and N and K in the leaves, whereas the DS group of the Desafio cultivar had the highest water potential and water use efficiency, and the DS + AMF group had thermal dissipation that permitted higher values of Fv/Fm, A, and plant height. The results of the principal components analysis demonstrated that both cultivars inoculated with AMF performed similarly under DS to the well-watered plants. These findings indicate that AMF permitted the plant to reduce the impairment of growth and physiological traits caused by drought conditions.

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Arbuscular Mycorrhizal Fungi in Alleviation of Drought Stress on Grain Yield and Yield Components of Mungbean (Vigna Radiata L.) Plants

Cited by 9 publications

References 16 publications

Insights On the Impact of Arbuscular Mycorrhizal Symbiosis On Tomato Tolerance to Water Stress

Insights On the Impact of Arbuscular Mycorrhizal Symbiosis On Tomato Tolerance to Water Stress

Drought Stress in Grain Legumes during Reproduction and Grain Filling

The arbuscular mycorrhizal fungus Rhizophagus clarus improves physiological tolerance to drought stress in soybean plants

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