| 自然低温胁迫对3种桉树生理生化特性的影响 |
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| 引用本文： | 靖长柏,张利阳,童再康,许基全,温国胜. 自然低温胁迫对3种桉树生理生化特性的影响[J]. 防护林科技, 2010, 0(6): 18-19,35 |
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| 作者姓名： | 靖长柏 张利阳 童再康 许基全 温国胜 |
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| 作者单位： | 浙江林学院,浙江,杭州,311300;台州沿海盐碱地绿化研究所 |
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| 基金项目： | 浙江省科技厅重大科技项目 |
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| 摘 要： | 对3种桉树幼苗叶片相对电导率、超氧化物歧化酶(SOD)活性、丙二醛(MDA)含量等生理指标进行了研究。结果表明,自然低温下,各桉树表现出不同的适应性。总的来说,邓桉柳桉巨桉。自然低温(日最低气温-3.6℃)对柳桉和巨桉造成较大损害。另外,低温使桉树SOD活性上升,这与其MDA含量增加保持一致。
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| 关 键 词： | 桉树 自然低温 抗寒性 生理指标 |
Influence on Physiological & Biochemical Characteristics of 3 Eucalyptus under Natural Low Temperature |
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| JING Chang-bai,ZHANG Li-yang,TONG Zai-kang,XU Ji-quan,WEN Guo-sheng. Influence on Physiological & Biochemical Characteristics of 3 Eucalyptus under Natural Low Temperature[J]. Protection Forest Science and Technology, 2010, 0(6): 18-19,35 |
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| Authors: | JING Chang-bai ZHANG Li-yang TONG Zai-kang XU Ji-quan WEN Guo-sheng |
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| Affiliation: | JING Chang-bai1,ZHANG Li-yang1,TONG Zai-kang1,XU Ji-quan2,WEN Guo-sheng1(1.Zhejiang Forestry College,Hangzhou 311300,China,2.Institute of Coastal Saline Land & Greening in Taizhou) |
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| Abstract: | A research was conducted on the physiological indexes including relative electric conductivity,SOD activity and content of MDA in leaves of 3 species of Eucalyptus seedling.Result shows that each Eucalyptus adopted differently to natural low temperature.Generally speaking,the order of cold-resistance under that temperature is E.Dunnii E.Salinga E.grandis.Natural low temperature（daily minimum temperature being-3.6 ℃） has greater damage on E.Salinga and E.grandis.In addition,low temperature made SOD activity of Eucalyptus ascend a lot,which is correspondent with the increasing of MDA content. |
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| Keywords: | Eucalyptus natural low temperature cold resistance physiological indexes |
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