Journal
JOURNAL OF PLANT GROWTH REGULATION
Volume 41, Issue 2, Pages 781-795Publisher
SPRINGER
DOI: 10.1007/s00344-021-10338-x
Keywords
Brassica; Physiological alterations; Ca2+ and ROS signaling; Na+ exclusion; Salt stress tolerance
Categories
Funding
- Key Research and Development Program of Xinjiang province [2018B01006-4]
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The Brassica species are negatively affected by salt stress, which disrupts their growth and development. However, they exhibit tolerance mechanisms such as organic and inorganic osmolyte accumulation and efficient ion exclusion, with recent studies highlighting the role of ROS in enhancing salt stress tolerance.
Brassica genus includes several agronomically important brassica species, and their yield performance is being affected by salt stress. Salt stress considerably reduces Brassica species growth and development by disrupting photosynthesis, leaf gas exchange, vegetative, and reproductive growth. Nonetheless, Brassica exhibits numerous salt stress tolerating mechanisms, and by targeting such potential traits, further improvement in overall salt stress tolerance in brassica can be achieved. Brassica can tolerate salt stress by accumulating organic and inorganic osmolytes, efficient Na+ exclusion, and better K+ retention ability. Recent studies have also proposed a strong role of ROS as a signaling element to enhance salt stress tolerance in Brassica. Thus, the response and tolerance mechanisms are profiled, and the possible management options to mitigate the severity of salt stress are also reviewed.
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