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Bulletin of Botanical Research ›› 2016, Vol. 36 ›› Issue (1): 58-61.doi: 10.7525/j.issn.1673-5102.2016.01.008

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Rooting Anatomy of Hardwood Cutting for Albizia julibrissin Duraxx. and Activity Change of Related Enzymes During Rooting Process

ZHOU Xiang-Ming;LIU Yu-Tang;ZHAO Xian-Zheng;SONG Zhao-Wei;WANG Shu   

  1. Tianjin Research Center of Agricultural Biotechnology,Tianjin 300384
  • Online:2016-01-15 Published:2016-05-18

Abstract: With one-year hardwood cutting from Albizia julibrissin Duraxx. trees, we studied the anatomical structure during the formation of adventitious roots by paraffin section, and detected the activities of peroxidase(POD), polyphenol oxidase(PPO) and indoleaceticacid oxidase by colorimetry. The adventitious root of A.julibrissin cuttings was derived from a type of induced root primordium, and the primordium of adventitious root originated from the cambium. The enzyme activities of POD, PPO and IAAO showed the same trends in treatment and control during rooting process, but the activities of three enzymes in treatment were higher than those in control.

Key words: Albizia julibrissin, Cutting, adventitious root, anatomy, enzymatic activity