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ACTA HORTICULTURAE SINICA ›› 2008, Vol. 35 ›› Issue (1): 143-146.

• 研究简报 • Previous Articles     Next Articles

The Influence of Heat Shock on Tissue Browning of Phalaenopsis

YANG Ling1,2,GE Hong2*,HUANG Mian-jia1,and ZHAO Ying2
  

  1. (1South China University of Tropical Agriculture, Danzhou, Hainan 571737,China,2Institute of Vegetables and Flowers of Chinese Academy of Agricultural Sciences, Beijing 100081,China)
  • Received:2007-05-29 Revised:2007-08-18 Online:2008-01-25 Published:2008-01-25

Abstract: To clearify the effect of heat shock on tissue browning of Phalaenopsis, the post-subculture changes in browning index, total phenolic content and PAL activity in tissues recovered under 25 ℃ for different time after heat shock treatment at 45 ℃ for 10 min were determined and analysed. The results suggested that the browning of cultured Phalaenopsis tissue could be significantly inhibited by heat treatment when the treated tissue was covered for 48 h under 25 ℃.

Key words: Phalaenopsis, tissue, browning, heat shock, restoration time, phenols, phenylalanine ammonia-lyase

CLC Number: