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Volume 18 Issue 6
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Article Navigation >  Forest Research  > 2005 >  18(6): 688-694

Citation:
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Effect of Hormone on Hardwood Cutting and Rooting Ability of Picea crassifolia Scion Plucking Trees

  • 1.

    Research Institute of Forestry, CAF, Beijing

  • 2.

    Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China

  • 3.

    College of Forestry and Horticulture, He'nan Agricultural University, Zhengzhou 450001, He'nan, China

  • Received Date: 2005-01-05
  • Three rooting types of Picea crassifolia hardwood cutting were introduced. The influence of IBA(Indole 3-butyric acid) with various concentrations and treatment time on its rooting and the difference in rooting among individual cuttings were studied. The rooting, sprouting and cutting rot of one-year-old P. crassifolia hardwood cutting treated with IBA were compared and the optimal combination of IBA concentration and treatment time (IBA 250 mg. kg-1, treatment time 12 hours), which could promote P. crassifolia hardwood cutting to produce more and better roots, were determined. The relationship between treatment time and rooting of hardwood cutting and the correlation of indexes measuring the rooting efficiency were analyzed. Also,the relationship between the budbreak of the apical buds and rooting of cutting of cutting were discussed.
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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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Effect of Hormone on Hardwood Cutting and Rooting Ability of Picea crassifolia Scion Plucking Trees

  • 1. Research Institute of Forestry, CAF, Beijing
  • 2. Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China
  • 3. College of Forestry and Horticulture, He'nan Agricultural University, Zhengzhou 450001, He'nan, China
  • Received Date: 2005-01-05

Abstract: Three rooting types of Picea crassifolia hardwood cutting were introduced. The influence of IBA(Indole 3-butyric acid) with various concentrations and treatment time on its rooting and the difference in rooting among individual cuttings were studied. The rooting, sprouting and cutting rot of one-year-old P. crassifolia hardwood cutting treated with IBA were compared and the optimal combination of IBA concentration and treatment time (IBA 250 mg. kg-1, treatment time 12 hours), which could promote P. crassifolia hardwood cutting to produce more and better roots, were determined. The relationship between treatment time and rooting of hardwood cutting and the correlation of indexes measuring the rooting efficiency were analyzed. Also,the relationship between the budbreak of the apical buds and rooting of cutting of cutting were discussed.

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