Journal
PLANTS-BASEL
Volume 10, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/plants10040749
Keywords
antioxidants; chlorophyll; growth promotion; ionic balance; salinity stress
Categories
Funding
- National Natural Science Foundation of China [32071521, 31770446, 31200316]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Study Abroad Scholarship of Jiangsu University, Senior Talent Fund of Jiangsu Univer-sity [11JDG150]
- special fund of Jiangsu University Graduate online course (2017)
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment
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Seed priming with sorghum water extract (SWE) enhances salt stress tolerance in camelina by improving growth, physiological indicators, and reducing oxidative damage under stress conditions.
Seed priming with sorghum water extract (SWE) enhances crop tolerance to salinity stress; however, the application of SWE under salinity for camelina crop has not been documented so far. This study evaluated the potential role of seed priming with SWE in improving salt stress tolerance in camelina. Primed (with 5% SWE and distilled water-hydropriming) and nonprimed seeds were sown under control (no salt) and salt stress (10 dS m(-1)) conditions. Salinity reduced camelina's emergence and growth, while seed priming with SWE improved growth under control and stress conditions. Under salt stress, seed priming with SWE enhanced emergence percentage (96.98%), increased root length (82%), shoot length (32%), root dry weight (75%), shoot dry weight (33%), alpha-amylase activity (66.43%), chlorophyll content (60-92%), antioxidant enzymes activity (38-171%) and shoot K+ ion (60%) compared with nontreated plants. Similarly, under stress conditions, hydrogen peroxide, malondialdehyde (MDA) content, and shoot Na+ ion were reduced by 60, 31, and 40% by seed priming with SWE, respectively, over the nonprimed seeds. Therefore, seed priming with SWE may be used to enhance the tolerance against salt stress in camelina.
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