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难易生根桉树的过氧化物酶活性及其同工酶多型性比较研究
引用本文:李明,黄卓烈,谭绍满,林韶湘,莫晓勇,林海球,龙腾. 难易生根桉树的过氧化物酶活性及其同工酶多型性比较研究[J]. 华南农业大学学报, 2000, 21(3): 56-59,93
作者姓名:李明  黄卓烈  谭绍满  林韶湘  莫晓勇  林海球  龙腾
作者单位:华南农业大学生物技术学院,广东,广州,510642;华南农业大学林学院,广东,广州,510642;国家林业局雷州林业科学研究所,广东,湛江,524348
基金项目:广东省重点攻关项目! (99M0 42 0 1G),广东省林业厅和雷州林业局资助项目
摘    要:尾叶桉MLA无性系(简称MLA)、尾叶桉U6无性系(简称U6)、刚果12号桉W5无性系(简称W5)3个桉树树种中,MLA是难生根树种,U6、W5是易生根树种。难生根树种的各器官过氧化物酶(POD)活性均高于易生根树种,同一树种不同器官的POD活性及其同工酶不同,不同树种同一器官的POD活性及其同工酶也不同。同一器官的POD活性随组织成熟度的增加而升高。该文讨论了桉树不定根形成与POD的关系。

关 键 词:桉树  扦插生根  过氧化物酶活性  过氧化物酶同工酶

Comparative Study on the Activity and Isoenzymes of Peroxidase in Difficult-and Easy-to-Root Eucalyptus Species
LI Ming,HUANG Zhuo-lie,TAN Shao-man,LIN Shao-xiang,MO Xiao-yong,LIN Hao-qiu,LONG Teng. Comparative Study on the Activity and Isoenzymes of Peroxidase in Difficult-and Easy-to-Root Eucalyptus Species[J]. JOURNAL OF SOUTH CHINA AGRICULTURAL UNIVERSITY, 2000, 21(3): 56-59,93
Authors:LI Ming  HUANG Zhuo-lie  TAN Shao-man  LIN Shao-xiang  MO Xiao-yong  LIN Hao-qiu  LONG Teng
Abstract:Eucalyptus urophylla S.T.Blade MLA clone(MLA) was difficult to root species. E.urophylla S.T.Blade U 6 clone (U 6) and E.ABL 12 W 5 clone(W 5) were relatively easy to root species. The activity of peroxidase in every organ of MLA was higher than that in U 6 and W 5. The activity and isoenzymes of peroxidase were quite different both in different organs of the same species and in the same organs of different species. The peroxidase activity turned higher with the increasing maturity of the organs. The relationship between the peroxidase and rooting of Eucalyptus cuttings was discussed.
Keywords:Eucalyptus  rooting of cutting  peroxidase  isoperoxidase
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