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楸树扦插生根过程中插条保护酶与丙二醛动态变化

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2008年06期
Page:
128-132
Column:
研究论文
publishdate:
2008-11-30

Article Info:/Info

Title:
Dynamic changes of protective enzymes activity and malondialdehyde content during Catalpa spp. softwood cuttings’ rooting process
Article ID:
1000-2006(2008)06-0128-05
Author(s):
HUA Hong1 DU Xu-hua2 WANG Shun-cai2 XU Dong1 HAO Ming-zhuo2 LIANG You-wang2 PENG Fang-ren2*
1. Forestry Station of Nanjing City, Nanjing 210036, China; 2. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
Keywords:
Catalpa spp. Softwood cutting Protective enzymes activity Rooting ability
Classification number :
S723.1
DOI:
10.3969/j.jssn.1000-2006.2008.06.029
Document Code:
A
Abstract:
Dynamic changes of three protective enzymes activity and MDA content of Catalpa ’Jinsi’ and C. ’Yuanjichangguo’ during softwood cutting time were studied. And the relations between its dynamic changes and rooting rate were analyzed and discussed. The results showed that the dynamic changes were highly related to rooting rate. SOD activity of leaves raised and then reduced. But it was the opposite for cortical part. POD activity and MDA content, both in leaves or cortical part, were raised firstly and then reduced. Leaves’ PPO activity had the same trends. PPO activity in cortical part had two peaks during cutting time. Dynamic changes of every enzyme had its own feature. It indicated that every enzyme played a particular and useful role during rooting process. It was a useful way to regulate the activity of protective enzyme to promote rooting in C. bungei softwood cutting.

References

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Last Update: 2013-05-20