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Volume 1 Issue 2
Jun.  2010
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Article Navigation >  Journal of Tropical Biology  > 2010  >  1(2): 144-149

LIU Peng, PAN Xue-feng, ZHOU Kai-bing. Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation[J]. Journal of Tropical Biology, 2010, 1(2): 144-149. doi: 10.15886/j.cnki.rdswxb.2010.02.010
Citation: LIU Peng, PAN Xue-feng, ZHOU Kai-bing. Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation[J]. Journal of Tropical Biology, 2010, 1(2): 144-149. doi: 10.15886/j.cnki.rdswxb.2010.02.010
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Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation

doi: 10.15886/j.cnki.rdswxb.2010.02.010

  • 1. Key Laboratory of Protection and Development Utilization of Tropical Crop Germplasm Resources(Hainan University) Ministry of Education, Haikou 570228, China;

  • 2. Division of Journal Editor, Hainan University, Haikou 570228, China

  • Received Date: 2010-03-10
  • Young leaves of mango potted young trees were used as materials to analysis the damages and protection response under the enhanced UV-B radiation.The results showed that the content of MDA and the relative conductivity increase,while the content of chlorophyll and the ratio of chlorophyll a/b decrease after UV-B treatment,and the enhanced UV-B radiation cause the damages of leaves,which would be worse with longer treatment period.The contents of soluble protein,activities of antioxidant enzymes（SOD,CAT）,protective pigments（flavonodis,carotenoids） and reducd GSH of leaves treated with UV-B were higher than that of control group significantly,while the content of Vc and activities of POD were lower than that of control group significantly.These data indicated that enhanced UV-B radiation can induce the leaves to absorb part of the enhanced UV-B radiation and elevate its resistance against enhanced UV-B radiation in cells through intensifying the oxidant scavenging activities and accumulating protective pigments.
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Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation

doi: 10.15886/j.cnki.rdswxb.2010.02.010
  • 1. Key Laboratory of Protection and Development Utilization of Tropical Crop Germplasm Resources(Hainan University) Ministry of Education, Haikou 570228, China;
  • 2. Division of Journal Editor, Hainan University, Haikou 570228, China
  • Received Date: 2010-03-10

Abstract: Young leaves of mango potted young trees were used as materials to analysis the damages and protection response under the enhanced UV-B radiation.The results showed that the content of MDA and the relative conductivity increase,while the content of chlorophyll and the ratio of chlorophyll a/b decrease after UV-B treatment,and the enhanced UV-B radiation cause the damages of leaves,which would be worse with longer treatment period.The contents of soluble protein,activities of antioxidant enzymes（SOD,CAT）,protective pigments（flavonodis,carotenoids） and reducd GSH of leaves treated with UV-B were higher than that of control group significantly,while the content of Vc and activities of POD were lower than that of control group significantly.These data indicated that enhanced UV-B radiation can induce the leaves to absorb part of the enhanced UV-B radiation and elevate its resistance against enhanced UV-B radiation in cells through intensifying the oxidant scavenging activities and accumulating protective pigments.

LIU Peng, PAN Xue-feng, ZHOU Kai-bing. Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation[J]. Journal of Tropical Biology, 2010, 1(2): 144-149. doi: 10.15886/j.cnki.rdswxb.2010.02.010
Citation: LIU Peng, PAN Xue-feng, ZHOU Kai-bing. Study on the Damages and Protection Response of Young Leaves of Mango under Enhanced UV-B Radiation[J]. Journal of Tropical Biology, 2010, 1(2): 144-149. doi: 10.15886/j.cnki.rdswxb.2010.02.010
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