Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid
Soil salinization is an important factor that limits crop production. The effects of spraying salicylic acid (SA) during the grain-filling stage on the salt tolerance of progeny seeds in wheat (<i>Triticum aestivum</i> L.) were investigated in this study. The results showed that spraying...
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MDPI AG
2024-11-01
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| author | Lei Yan Xue Jiang Yuman Zhang Yongwen Dong Can Zhao Ke Xu Zhongyang Huo Weiling Wang |
| author_facet | Lei Yan Xue Jiang Yuman Zhang Yongwen Dong Can Zhao Ke Xu Zhongyang Huo Weiling Wang |
| author_sort | Lei Yan |
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| description | Soil salinization is an important factor that limits crop production. The effects of spraying salicylic acid (SA) during the grain-filling stage on the salt tolerance of progeny seeds in wheat (<i>Triticum aestivum</i> L.) were investigated in this study. The results showed that spraying SA during the grain-filling stage significantly increased the grain weight and yield of wheat plants. Meanwhile, the seeds from the SA-treated plants showed a higher germination rate, length and dry mass of the coleoptile and radicle, and a lower mean germination time compared to the seeds of water-treated plants under the salt germination condition, indicating that SA pretreatment during the grain-filling stage could effectively improve the salt tolerance of progeny seeds in wheat. SA pretreatment significantly increased the activities of amylases and the respiration rate, accompanied by a decrease in starch content, and a higher accumulation in the level of soluble sugars and adenosine triphosphate (ATP) in the germinated seedlings compared to the water pretreatment under salt stress. In addition, SA pretreatment obviously alleviated the increase in malondialdehyde (MDA) content and the reactive oxygen species (ROS) release rate in seedlings by activating antioxidant enzymes (superoxide dismutase (SOD) and peroxidase (POD)) under salt stress. Moreover, the seedlings of the SA-treated plants showed lower Na<sup>+</sup> and higher K<sup>+</sup> contents compared to the seeds of water-treated plants under salt stress. The results of this study indicate that spraying SA during the grain-filling stage improves the capacity of offspring seeds to maintain osmotic and ion balance and redox homeostasis under salt stress, thereby conferring salt tolerance to the wheat seeds. |
| format | Article |
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| issn | 2223-7747 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
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| series | Plants |
| spelling | doaj-art-edd89b24aab84327ae1b9b7f6ecda79e2025-08-20T02:38:39ZengMDPI AGPlants2223-77472024-11-011323337310.3390/plants13233373Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic AcidLei Yan0Xue Jiang1Yuman Zhang2Yongwen Dong3Can Zhao4Ke Xu5Zhongyang Huo6Weiling Wang7Jiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaJiangsu Key Laboratory of Crop Cultivation and Physiology, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, No. 88 Daxue South Road, Yangzhou 225009, ChinaSoil salinization is an important factor that limits crop production. The effects of spraying salicylic acid (SA) during the grain-filling stage on the salt tolerance of progeny seeds in wheat (<i>Triticum aestivum</i> L.) were investigated in this study. The results showed that spraying SA during the grain-filling stage significantly increased the grain weight and yield of wheat plants. Meanwhile, the seeds from the SA-treated plants showed a higher germination rate, length and dry mass of the coleoptile and radicle, and a lower mean germination time compared to the seeds of water-treated plants under the salt germination condition, indicating that SA pretreatment during the grain-filling stage could effectively improve the salt tolerance of progeny seeds in wheat. SA pretreatment significantly increased the activities of amylases and the respiration rate, accompanied by a decrease in starch content, and a higher accumulation in the level of soluble sugars and adenosine triphosphate (ATP) in the germinated seedlings compared to the water pretreatment under salt stress. In addition, SA pretreatment obviously alleviated the increase in malondialdehyde (MDA) content and the reactive oxygen species (ROS) release rate in seedlings by activating antioxidant enzymes (superoxide dismutase (SOD) and peroxidase (POD)) under salt stress. Moreover, the seedlings of the SA-treated plants showed lower Na<sup>+</sup> and higher K<sup>+</sup> contents compared to the seeds of water-treated plants under salt stress. The results of this study indicate that spraying SA during the grain-filling stage improves the capacity of offspring seeds to maintain osmotic and ion balance and redox homeostasis under salt stress, thereby conferring salt tolerance to the wheat seeds.https://www.mdpi.com/2223-7747/13/23/3373salicylic acidsalt tolerancegerminationoffspringphysiological mechanism |
| spellingShingle | Lei Yan Xue Jiang Yuman Zhang Yongwen Dong Can Zhao Ke Xu Zhongyang Huo Weiling Wang Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid Plants salicylic acid salt tolerance germination offspring physiological mechanism |
| title | Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid |
| title_full | Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid |
| title_fullStr | Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid |
| title_full_unstemmed | Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid |
| title_short | Induction of Salt Stress Tolerance in Wheat Seeds by Parental Treatment with Salicylic Acid |
| title_sort | induction of salt stress tolerance in wheat seeds by parental treatment with salicylic acid |
| topic | salicylic acid salt tolerance germination offspring physiological mechanism |
| url | https://www.mdpi.com/2223-7747/13/23/3373 |
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