The effects of Salicylic acid and Jasmonic acid on the seed quality of Guar under salt stress

Document Type : Research Paper

Author

Assistance Professor, Department of Agriculture, Technical and Engineering, Velayat University, Iranshahr, Iran

Abstract

The experiment aimed to assess the effects of varying levels of salt stress and foliar applications of hormones on guar seed quality. The salt stress treatments included non-saline and saline conditions at 4, 7, and 10 dS/m. Hormonal treatments involved foliar sprays with water, 1 mM salicylic acid (SA), 0.5 mM jasmonic acid (JA), and a combination of both SA and JA. Salt stress significantly impacted the Guar. The germination rate was negatively impacted, although the germination percentage remained unchanged. Plants treated with 1 mM salicylic acid + 0.5 Mm jasmonic acid produced the largest seeds, however, its effect on seed germination rate and seedling weight was similar to salicylic acid treatment. Foliar application of salicylic acid, either alone or in combination with jasmonic acid, effectively enhances Guar seed quality under salt stress conditions by lowering sodium content while increasing potassium and calcium levels in the seeds. This suggests that such hormonal treatments could be a practical approach to improving guar resilience against salinity stress.

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References

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Environmental Resources Research
Volume 13, Issue 2
October 2025
Pages 313-322

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