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ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (1): 201-204.

• 研究简报 • Previous Articles     Next Articles

Effect of IBA and Agrobacterium rhizogenes on the Softwood Cutting of Tiliamandshurica

ZHANG Qin1 ; L I Bao-hui2 ; DUO Jian-guo3 ; WANG Wen-feng1 ; LIU Yun-qiang1 ; LIANG Hai-yong4 ;
YANG Jian-min1*
  

  1. (1 College of Landscape Architecture and Tourism, Agricultural University of Hebei, Baoding, Hebei 071000, China; 2 Division ofScience and Technology, Agricultural University of Hebei, Baoding, Hebei 071000, China; 3 Baoding Forestry Bureau, Baoding,Hebei 071001, China; 4 College of Forestry, Agricultural University of Hebei, Baoding, Hebei 071000, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

Abstract: The influence of IBA and Agrobacterium rhizogenes on the softwood cutting of Tilia m andshuri
ca was studied during rooting, while the mechanism of their effects on the rooting was discussed. The results
showed that the rooting percentage and number of roots significantly increased ( P < 0.01) and the rooting
time decreased after treatment with IBA and Agrobacterium rhizogenes. IBA and Agrobacterium rhizogenes also
increased the IAA /ABA ratio and contents of IAA, GA3 , soluble sugars, reduced ABA contents of cuttings
during the rooting period, and p romoted remarkably rooting of softwood cutting. It was showed that the treat
mentwith IBA + Agrobacterium rhizogenes was the best. The rooting percentage, quantity of root and root
length of the cutting after treatmentwith IBA +Agrobacterium rhizogenes increased by 122.08%, 65.75% and
23.63% , respectively, while the rooting period shortened by 14 days compared with control.

Key words: Tilia mandshurica, IBA, Agrobacterium rhizogenes, Softwood cutting, Endogenous hormone, Nutritive material