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Effect of Bestatin and MeJA on the Low Temperature Tolerance in Hulless Barley Seedlings
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Ziao WANG1, 2, Yongmei CUI1, Yuxia CHEN2, Yixiong BAI1, Likun AN1, Kunlun WU2
Journal of Triticeae Crops | 2025, 45(5) : 672 - 678
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Journal of Triticeae Crops | 2025, 45(5): 672-678
• Physiology, Ecology and Cultivation •
Effect of Bestatin and MeJA on the Low Temperature Tolerance in Hulless Barley Seedlings
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Ziao WANG1, 2, Yongmei CUI1, Yuxia CHEN2, Yixiong BAI1, Likun AN1, Kunlun WU2
Affiliations
  • 1.Academy of Agricultural and Forestry Sciences, Qinghai University/State Key Laboratory of Plateau Ecology and Agriculture/Qinghai Key Laboratory of Hulless Barley Genetics and Breeding/Qinghai Subcenter of National Hulless Barley Improvement, Xining, Qinghai 810016, China
  • 2.College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai 810016, China
Published: 2025-05-15 doi: 10.7606/j.issn.1009-1041.2025.05.11
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To investigate the regulatory effect of the jasmonic acid (JA) signaling pathway on low-temperature tolerance in hulless barley seedlings, this study utilized ‘Kunlun 15’ as the experimental material. The agronomic traits and physiological indicators were measured under low-temperature stress treated with Bestatin and methyl jasmonate (MeJA), and the expression levels of JA synthesis and regulation-associated genes in leaves and roots were examined. The result indicated that low-temperature stress substantially decreased plant height, root length, plant dry (fresh) weight, root dry (fresh) weight, and SPAD value in hulless barley, indicating a marked inhibitory effect on growth. Treatment with either Bestatin or MeJA under low-temperature stress notably enhanced the accumulation of soluble sugars and free proline in both leaves and roots, increased the activity of antioxidant enzymes (SOD, POD, CAT), and significantly induced the gene expression of JA synthesis and signaling pathways as well as low temperature tolerance-related genes regulated by JA in hulless barley. These responses suggest that Bestatin and MeJA treatments mitigate low-temperature stress damage in hulless barley by improving its low-temperature resistance. The study elucidated consistent regulatory patterns in agronomic traits, physiological indicators, and gene expression induced by Bestatin and MeJA treatments in hulless barley.

Hulless barley  /  Bestatin  /  MeJA  /  Low temperature
王子傲, 崔永梅, 陈玉霞, 白羿雄, 安立昆, 吴昆仑. Bestatin和MeJA对青稞苗期耐低温胁迫的影响. 麦类作物学报, 2025 , 45 (5) : 672 -678 . DOI: 10.7606/j.issn.1009-1041.2025.05.11
Ziao WANG, Yongmei CUI, Yuxia CHEN, Yixiong BAI, Likun AN, Kunlun WU. Effect of Bestatin and MeJA on the Low Temperature Tolerance in Hulless Barley Seedlings[J]. Journal of Triticeae Crops, 2025 , 45 (5) : 672 -678 . DOI: 10.7606/j.issn.1009-1041.2025.05.11
Appendix
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Year 2025 volume 45 Issue 5
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Article Info
doi: 10.7606/j.issn.1009-1041.2025.05.11
  • Receive Date：2024-05-12
  • Online Date：2026-09-20
  • Published：2025-05-15
Article Data
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History
  • Received：2024-05-12
  • Revised：2024-11-19
Funding
Affiliations
    1.Academy of Agricultural and Forestry Sciences, Qinghai University/State Key Laboratory of Plateau Ecology and Agriculture/Qinghai Key Laboratory of Hulless Barley Genetics and Breeding/Qinghai Subcenter of National Hulless Barley Improvement, Xining, Qinghai 810016, China
    2.College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai 810016, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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