Key insights to develop drought-resilient soybean: A review

Rasheed, Adnan; Mahmood, Athar; Maqbool, Rizwan; Albaqami, Mohammed; Sher, Ahmad; Sattar, Abdul; Khosa, Ghous Bakhsh; Nawaz, Muhammad; Hassan, Muhammad Umair; Al-Yahyai, Rashid; Aamer, Muhammad; Li, Huijie; Wu, Ziming

doi:10.1016/j.jksus.2022.102089

Cited by 19 publications

(16 citation statements)

References 120 publications

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“…Plant breeding has been widely used to select genotypes tolerant to diverse abiotic stresses, with remarkable efforts to develop drought-tolerance varieties under an integrative perspective that combines conventional and modern breeding tools [ 4 ]. In parallel, several studies have been conducted to unravel the molecular bases and the morpho-physiological traits related to improving drought tolerance [ 5 , 6 , 7 , 8 , 9 , 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanisms and Applications of Bacterial Inoculants in Plant Drought Stress Tolerance

et al. 2023

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Agricultural systems are highly affected by climatic factors such as temperature, rain, humidity, wind, and solar radiation, so the climate and its changes are major risk factors for agricultural activities. A small portion of the agricultural areas of Brazil is irrigated, while the vast majority directly depends on the natural variations of the rains. The increase in temperatures due to climate change will lead to increased water consumption by farmers and a reduction in water availability, putting production capacity at risk. Drought is a limiting environmental factor for plant growth and one of the natural phenomena that most affects agricultural productivity. The response of plants to water stress is complex and involves coordination between gene expression and its integration with hormones. Studies suggest that bacteria have mechanisms to mitigate the effects of water stress and promote more significant growth in these plant species. The underlined mechanism involves root-to-shoot phenotypic changes in growth rate, architecture, hydraulic conductivity, water conservation, plant cell protection, and damage restoration through integrating phytohormones modulation, stress-induced enzymatic apparatus, and metabolites. Thus, this review aims to demonstrate how plant growth-promoting bacteria could mitigate negative responses in plants exposed to water stress and provide examples of technological conversion applied to agroecosystems.

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Section: Introductionmentioning

confidence: 99%

Mechanisms and Applications of Bacterial Inoculants in Plant Drought Stress Tolerance

et al. 2023

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“…Flooding stress greatly affected the yield of major crops comprising soybean ( Jo et al., 2022 ), rice ( Kumar et al., 2021 ), and wheat ( Winkel et al., 2017 ). Soybean is a significant legume crop grown worldwide for food, production of biofuel, and various other products due to its oil and protein contents ( Valliyodan et al., 2017 ; Yuhong et al., 2021 ; Rasheed et al., 2022 ). Flooding stress reduces relative water content, chlorophyll contents, stomatal conductance, and carotenoid contents, as well as the activity of antioxidant enzymes in plants ( Yang et al., 2011 ).…”

Section: Introductionmentioning

confidence: 99%

The intervention of classical and molecular breeding approaches to enhance flooding stress tolerance in soybean – An review

et al. 2022

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Abiotic stresses and climate changes cause severe loss of yield and quality of crops and reduce the production area worldwide. Flooding stress curtails soybean growth, yield, and quality and ultimately threatens the global food supply chain. Flooding tolerance is a multigenic trait. Tremendous research in molecular breeding explored the potential genomic regions governing flood tolerance in soybean. The most robust way to develop flooding tolerance in soybean is by using molecular methods, including quantitative trait loci (QTL) mapping, identification of transcriptomes, transcription factor analysis, CRISPR/Cas9, and to some extent, genome-wide association studies (GWAS), and multi-omics techniques. These powerful molecular tools have deepened our knowledge about the molecular mechanism of flooding stress tolerance. Besides all this, using conventional breeding methods (hybridization, introduction, and backcrossing) and other agronomic practices is also helpful in combating the rising flooding threats to the soybean crop. The current review aims to summarize recent advancements in breeding flood-tolerant soybean, mainly by using molecular and conventional tools and their prospects. This updated picture will be a treasure trove for future researchers to comprehend the foundation of flooding tolerance in soybean and cover the given research gaps to develop tolerant soybean cultivars able to sustain growth under extreme climatic changes.

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“…During drought, the extracellular osmotic potential of plants increases. Plants adjust the intracellular accumulation of proline (Pro), soluble protein (SP), soluble sugar (SS), and other substances to sustain the penetrant of cells; additionally, stomata close to reducing the excessive loss of moisture [3].…”

Section: Introductionmentioning

confidence: 99%

Effects of Exogenous Sodium Nitroprusside Spraying on Physiological Characteristics of Soybean Leaves at the Flowering Stage under Drought Stress

Tian

Zhou

et al. 2023

Plants

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Nitric oxide (NO) plays a significant role in plant drought resistance. However, the effects of the exogenous application of NO to crops under drought stress vary within and among species. In this study, we explored the influence of exogenous sodium nitroprusside (SNP) on the drought resistance of soybean leaves in the full flowering stage using two varieties: drought-tolerant HN44 and non-drought-tolerant HN65. Spraying SNP on soybean leaves at the full flowering period under drought stress improved the NO content in soybean leaves. The activities of nitrite reductase (NiR) and nitrate reductase (NR) in leaves were affected by NO inhibition. The activity of antioxidant enzymes in leaves increased with the extension of SNP application time. Contents of osmomodulatory substances, including proline (Pro), soluble sugar (SS), and soluble protein (SP) increased gradually with the extension of SNP application time. The malondialdehyde (MDA) content decreased as the NO content increased, thus reducing membrane system damage. Overall, spraying SNP reduced damage and improved the ability of soybean to cope with drought. This study explored the physiological changes of SNP soybean under drought stress and provided theoretical basis for improving drought-resistant cultivation of soybean.

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Key insights to develop drought-resilient soybean: A review

Cited by 19 publications

References 120 publications

Mechanisms and Applications of Bacterial Inoculants in Plant Drought Stress Tolerance

Mechanisms and Applications of Bacterial Inoculants in Plant Drought Stress Tolerance

The intervention of classical and molecular breeding approaches to enhance flooding stress tolerance in soybean – An review

Effects of Exogenous Sodium Nitroprusside Spraying on Physiological Characteristics of Soybean Leaves at the Flowering Stage under Drought Stress

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