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| Evaluation on Heat Tolerance of Different Japanese Welsh Onion Varieties at Seedling Stage |
| Su Hua; Xu Kun; Liu Wei; et al. |
| College of Horticulture science and engineering; Shandong Agricultural University; Tai’an 271018; Department of Horticulture; Xinjiang Agricultural University |
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Abstract he heat tolerance of different Japanese Welsh onion varieties with Zhangqiudacong as control were studied.The results indicated that under high temperature stress,electrolytic leakage and malondialdehyde content of Welsh onion leaves increased,superoxide,peroxidase,catalase activities changed remarkably.The hot injury index rose with time prolonging under high temperature stress,but the range of changes in different varieties were different.This indicated that there were remarkable differences of heat tole...
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Received: 31 January 2005
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