| Effect of moisture-absorbing and dehydration on seed germination, seedling morphology and physiology of winter wheat |
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| DOI：10.7606/j.issn.1000-7601.2018.05.05 |
| Key Words: wheat root system moisture-absorbing and dehydration antioxidant enzyme |
| Author Name | Affiliation | | ZHOU Xuan-cai | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China | | LIU Yi-guo | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China | | ZHANG Yu-mei | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China | | SHI Chang-hai | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China | | ZHU Yu-peng | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China | | LIN Qi | Qingdao Agricultural University, Agricultural College,Shandong Province Key Laboratory of dry farming technology, Qingdao, Shandong 266109, China |
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| Abstract: |
| Due to the global climate change, drought occurres more frequently. It is essential to store more moisture in soil in winter wheat seeding. A hydroponic experiment was conducted to explore the effects of seeds moisture-absorbing and dehydration treatments on wheat varieties, drought-sensitive wheat cultivar ‘Qingmai 6 ’and fertilizer Wheat cultivar ‘Jimai 22’.The four treatments were set as “control”, “drought ”, “moisture-absorbing and dehydration” and “moisture-absorbing and dehydration + drought” respectively. Dynamics of wheat germination rate, germination potential, germination index, plant height, root length, root total root length, total root surface area, root volume, root root average root diameter, superoxide dismutase activity, peroxidase, catalase and malondial dehyde were analyzed by tests of germination and two leaf stress. The results showed that moisture-absorbing and dehydration treatment decreased the winter wheat germination rate, germination index, seedling height, root length, root total root length, total root surface area, root volume, root mean root diameter phenotype.However, it could improve the germination potential and activity of SOD,POD and CAT for winter wheat Jimai 22 with less effect on Qingmai 6. Inconclusion,moisture absorption could improve the drought resistance of common winter wheat and it had little effect on drought resistance of winter wheat. |
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