Seed priming with melatonin improved salinity tolerance of halophytes during early life-cycle stages

Hussain, Sadiq; Nisar, Farah; Gul, Bilquees; Hameed, Abdul

doi:10.1007/s10725-023-01110-0

Plant Growth Regul

2024

DOI: 10.1007/s10725-023-01110-0

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Seed priming with melatonin improved salinity tolerance of halophytes during early life-cycle stages

Sadiq Hussain,

Farah Nisar,

Bilquees Gul

et al.

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2024

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Cited by 2 publications

References 138 publications

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Synergistic effects of exogenous IAA and melatonin on seed priming and physiological biochemistry of three desert plants in saline-alkali soil

Zhang,

Wang,

et al. 2024

Plant Signaling & Behavior

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To investigate the synergistic effect of IAA and melatonin (MT) on three plants to alleviate the effects of salt damage on plants, we aim to determine the optimal concentrations of exogenous hormone treatments that improve salinity resistance for each species. In this experiment, three desert plants, Sarcozygium xanthoxylon , Nitraria tangutorum , and Ammopiptanthus mongolicus , which are common in Wuhai City, were used as plant materials. Two time periods (12 h,24 h) of exogenous hormone IAA (100 μmol/L) and exogenous melatonin concentration (0, 100, 200, 300 μmol/L) were used to treat the three desert plants in saline soil under different conditions of exogenous IAA and exogenous melatonin. The results indicate that under different concentrations of exogenous IAA and melatonin, the germination rate and vigor of the three desert plant species in saline-alkaline soil improved. However, as the concentration of melatonin increased, the germination rate and vigor of these desert plants were inhibited. Whereas, plant height, root length, leaf length, fresh weight, dry weight, and root vigor of the three desert plants were alleviated under different conditions of exogenous IAA and exogenous melatonin. under the action of two exogenous hormones, the low concentration of melatonin decreased their malondialdehyde content and increased their proline content. As melatonin levels increased, the activity of antioxidant enzymes also rose initially, followed by a subsequent decline. This study highlights the synergistic effects of two exogenous hormones on the critical role of cell osmomodulators and antioxidant enzyme activity in combating salinity damage in three desert plants.

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Synergistic effects of exogenous IAA and melatonin on seed priming and physiological biochemistry of three desert plants in saline-alkali soil

Zhang,

Wang,

et al. 2024

Plant Signaling & Behavior

View full text Add to dashboard Cite

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Creating Climate-Resilient Crops by Increasing Drought, Heat, and Salt Tolerance

Sugumar,

Shen,

Smith

et al. 2024

Plants

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Over the years, the changes in the agriculture industry have been inevitable, considering the need to feed the growing population. As the world population continues to grow, food security has become challenged. Resources such as arable land and freshwater have become scarce due to quick urbanization in developing countries and anthropologic activities; expanding agricultural production areas is not an option. Environmental and climatic factors such as drought, heat, and salt stresses pose serious threats to food production worldwide. Therefore, the need to utilize the remaining arable land and water effectively and efficiently and to maximize the yield to support the increasing food demand has become crucial. It is essential to develop climate-resilient crops that will outperform traditional crops under any abiotic stress conditions such as heat, drought, and salt, as well as these stresses in any combinations. This review provides a glimpse of how plant breeding in agriculture has evolved to overcome the harsh environmental conditions and what the future would be like.

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Seed priming with melatonin improved salinity tolerance of halophytes during early life-cycle stages

Cited by 2 publications

References 138 publications

Synergistic effects of exogenous IAA and melatonin on seed priming and physiological biochemistry of three desert plants in saline-alkali soil

Synergistic effects of exogenous IAA and melatonin on seed priming and physiological biochemistry of three desert plants in saline-alkali soil

Creating Climate-Resilient Crops by Increasing Drought, Heat, and Salt Tolerance

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