| 镧对UV-C胁迫下番茄幼苗抗氧化酶活性的影响 |
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| 引用本文： | 王文刚,李灵芝,张惠,李海平.镧对UV-C胁迫下番茄幼苗抗氧化酶活性的影响[J].山西农业科学,2011,39(6):532-534,542. |
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| 作者姓名： | 王文刚 李灵芝 张惠 李海平 |
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| 作者单位： | 1. 太谷县农业局,山西太谷,030800
2. 山西农业大学园艺学院,山西太谷,030801 |
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| 基金项目： | 山西省回国留学人员科研资助项目 |
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| 摘 要： | 研究镧(La3+)对UV-C辐射胁迫下番茄幼苗抗氧化酶活性的影响。结果表明,UV-C胁迫降低了番茄幼苗SOD和POD活性,增加了膜脂过氧化产物MDA含量;La3+对UV-C胁迫下番茄幼苗SOD和POD活性有显著的正调控作用;与单一UV-C胁迫组相比,番茄幼苗SOD活性平均增加了38.03%,POD活性平均增加了20.43%,MDA含量平均降低了18.63%,表明La3+有效防止了番茄幼苗细胞膜脂过氧化作用,一定程度上缓解了番茄幼苗膜系统的伤害。综合比较得出,30 mg/LLaCl3对番茄幼苗的防护作用好于60 mg/LLaCl3。
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| 关 键 词： | 镧 番茄幼苗 UV-C胁迫 抗氧化酶 |
Effect of La3+ to the Activities of Antioxidant Enzyme in Tomato Seedling under UV-C Stress |
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| WANG Wen-gang,LI Ling-zhi,ZHANG Hui,LI Hai-ping.Effect of La3+ to the Activities of Antioxidant Enzyme in Tomato Seedling under UV-C Stress[J].Journal of Shanxi Agricultural Sciences,2011,39(6):532-534,542. |
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| Authors: | WANG Wen-gang LI Ling-zhi ZHANG Hui LI Hai-ping |
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| Institution: | WANG Wen-gang1,LI Ling-zhi2,ZHANG Hui2,LI Hai-ping2(1.Bureau of Agriculture in Taigu County,Taigu 030800,China,2.College of Horticulture,Shanxi Agricultural University,Taigu 030801,China) |
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| Abstract: | Effect of La3+ to the activities of antioxidant enzyme in tomato seedling was examined under the UV-C radiation stress in greenhouse.The results showed that the UV-C stress decreased the activities of SOD and POD in tomato seedling leaves and increased the content of membrane lipid peroxidation products MDA.La3+ showed significantly regulatory effects to the activities of SOD and POD in tomato seedling under the UV-C radiation stress.Mean 38.03% SOD activity was increased by La3+,the POD activity 20.43% and... |
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| Keywords: | La3 tomato seedling UV-C stress antioxidant enzyme |
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