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Citation:

Study on Grafted Tissue Rejuvenation Technology and Rapid Propagation of Paulownia fortunei Superior Trees

  • Received Date: 2010-12-20
  • Paulownia fortunei superior trees "Baiyou 2" were used as trial materials to explore the rejuvenation technology of P. fortunei superior tree by tissue culture and in vitro grafting. The results are as follows: (1) The sprouting of explant is the most suitable scion; (2) The Paulownia variety "Jianshi 3" is a good rootstock; (3) Split grafting is a suitable; (4) 1/2 MS+6-BA 4.0 mg·L-1+NAA 0.3 mg·L-1 is the most appropriate medium for in vitro grafting, 1/2 MS+6-BA 6.0 mg·L-1+NAA 0.3 mg·L-1+Sucrose 20 g·L-1 is the most appropriate for multiplication and 1/2 MS+NAA 0.1 mg·L-1 is the most appropriate for rooting. The old Paulownia superior tree material was rejuvenated successfully and the rapid propagation was realized.
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  • [1] 蒋建平.泡桐栽培学[M].北京:中国林业出版社, 1993:28

    [2] 曲金柱,崔 波,马 杰,等.白花泡桐叶柄愈伤组织再生植株的诱导与培养[J].信阳师范学院学报,2006,19(4):407-410

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    Jonard R, Httgard J,Macheix J J, et al. In vitro inicrografting and its applications to fruit science[J].Sci Hortic,1983,20:147-159
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    Estrada-Ltma A A,Loez-Peralta C,Cadenas-Soriano E. In vitro micro grafting and the histology of graft tmion formation of selected species of prickly pear cactus[J].Sci Hortic,2002,92(3):317-322
    [5] 朱之悌.树木的无性繁殖与无性系育种[J].林业科学,1986,22(3):280-290

    [6] 李芳东,邓建军,张 悦,等.白花泡桐组织培养幼化技术研究[J].中南林业科技大学学报,2010,30(8):22-28

    [7] 李明鹤,沈宝仙,杨昌岩,等.用杉木伐桩萌条建立采穗圃的研究[J].林业科技通讯,1990(8):14-15

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    [9] 李新国,段安安,朱之悌.毛白杨无性系年龄效应及根萌条幼化效果的初步研究[J].西南林学院学报,1998,18(2):61-66

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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on Grafted Tissue Rejuvenation Technology and Rapid Propagation of Paulownia fortunei Superior Trees

  • 1. Paulownia Research & Development Center of the State Forestry Administration, Zhengzhou 450003, He’nan, China

Abstract: Paulownia fortunei superior trees "Baiyou 2" were used as trial materials to explore the rejuvenation technology of P. fortunei superior tree by tissue culture and in vitro grafting. The results are as follows: (1) The sprouting of explant is the most suitable scion; (2) The Paulownia variety "Jianshi 3" is a good rootstock; (3) Split grafting is a suitable; (4) 1/2 MS+6-BA 4.0 mg·L-1+NAA 0.3 mg·L-1 is the most appropriate medium for in vitro grafting, 1/2 MS+6-BA 6.0 mg·L-1+NAA 0.3 mg·L-1+Sucrose 20 g·L-1 is the most appropriate for multiplication and 1/2 MS+NAA 0.1 mg·L-1 is the most appropriate for rooting. The old Paulownia superior tree material was rejuvenated successfully and the rapid propagation was realized.

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