Abstract
Abiotic stresses are one of the most limiting factors inhibit plant's growth, leading to a serious production loss. Drought stress is one of the most destructive abiotic stresses and is still increasing year after year resulting in serious yield losses in many regions of the world,consequently, affecting world’s food security for the increasing world population. Soybean is an important grain legume. It is one of the five major crops in the world, an essential source of oil, protein, macronutrients and minerals, and it is known as the main source of plant oil and protein. Harvested area of soybean is increasing globally year after year. However, soybean is the highest drought stress sensitive crop, the water deficit influences the physiology, production and seed composition of this crop. We introduce a review for literatures concerning the changes of the above traits of soybean exposed to drought stress, with past explanations for these changes.
Highlights
SUMMARYAbiotic stresses are one of the most limiting factors inhibit plant's growth, leading to a serious production loss
Biotic and abiotic stresses are one of the most limiting factors inhibit plant’s growth, leading to a serious production loss (Kang et al 2002, Mahajan and Tuteja 2005).To adapt with such stresses, plants get morphological, physiological and molecular changes (Bray 1993, Seki et al 2003, Yamaguchi-Shinozaki and Shinozaki 2006)
Weight of soybean seeds was affected by drought stress (Sionit and Kramer 1977, rose 1988, Liu et al 2003, Karam et al 2005, Demirtas et al 2010, Sadeghipour and Abbasi 2012, Li et al 2013). 15.2% reduction in the weight of 100 seeds grown under drought stress during r5 stage was noticed compared with non-stressed plants (Gutierrez-Gonzalez et al 2010), which was confirmed later by He et al (2016)
Summary
Abiotic stresses are one of the most limiting factors inhibit plant's growth, leading to a serious production loss. Drought stress is one of the most destructive abiotic stresses and is still increasing year after year resulting in serious yield losses in many regions of the world, affecting world’s food security for the increasing world population. It is one of the five major crops in the world, an essential source of oil, protein, macronutrients and minerals, and it is known as the main source of plant oil and protein. Soybean is the highest drought stress sensitive crop, the water deficit influences the physiology, production and seed composition of this crop. We introduce a review for literatures concerning the changes of the above traits of soybean exposed to drought stress, with past explanations for these changes
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