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Survival and Juvenile Growth of Populus ×euramericana (Dode) Guineir cv.‘Neva’ Cuttings from Stem and Branch of Different Parent Shoots and Planting Spaces

  • Received Date: 2012-12-31
  • Aiming at meet the demand for poplar seedling in current nursery production, in this study, the stem cuttings of 1-year-old shoot and branch cuttings in middle and apical positions of 9 year-old P.×euramericana (Dode) Guineir cv.‘Neva’tree were used to conduct the propagation trial in nursery. The middle and base parts of stem and branch were taken as cuttings in this trial for comparison of survival and juvenile growth. The results showed that the survival, base diameter and height of cuttings followed the order of stem of 1-year-old shoot > branches in middle position of 9 year-old trees > branches in apical position of 9-year-old trees. The survival and growth of cuttings in space of 0.6 m×0.9 m were better than those of 0.5 m×0.6 m. The difference of sprout numbers in stool beds between the spaces of 0.5 m×1.2 m and 0.5 m×0.6 m was not significant but the base diameter and length of sprouts in space of 0.5 m×1.2 m were greater. The results further confirmed the rule that for propagation of‘Neva’, 1-year-old stem cutting survived and grew better than branch cuttings of the older trees and large planting space. It is recommended to establish fine stool bed to sprout stem cuttings with adaptable spaces in order to guarantee the quality of cuttings.
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Survival and Juvenile Growth of Populus ×euramericana (Dode) Guineir cv.‘Neva’ Cuttings from Stem and Branch of Different Parent Shoots and Planting Spaces

  • 1. Research Institute of Forestry, Chinese Academy of Forestry, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China
  • 2. Forestry Bureau of Fengnan District, Tangshan City, Tangshan 063300, Hebei, China

Abstract: Aiming at meet the demand for poplar seedling in current nursery production, in this study, the stem cuttings of 1-year-old shoot and branch cuttings in middle and apical positions of 9 year-old P.×euramericana (Dode) Guineir cv.‘Neva’tree were used to conduct the propagation trial in nursery. The middle and base parts of stem and branch were taken as cuttings in this trial for comparison of survival and juvenile growth. The results showed that the survival, base diameter and height of cuttings followed the order of stem of 1-year-old shoot > branches in middle position of 9 year-old trees > branches in apical position of 9-year-old trees. The survival and growth of cuttings in space of 0.6 m×0.9 m were better than those of 0.5 m×0.6 m. The difference of sprout numbers in stool beds between the spaces of 0.5 m×1.2 m and 0.5 m×0.6 m was not significant but the base diameter and length of sprouts in space of 0.5 m×1.2 m were greater. The results further confirmed the rule that for propagation of‘Neva’, 1-year-old stem cutting survived and grew better than branch cuttings of the older trees and large planting space. It is recommended to establish fine stool bed to sprout stem cuttings with adaptable spaces in order to guarantee the quality of cuttings.

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