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Citation:

Observation on the Mature Period of Masson Pine Male Cones and Its Climatic Impact

  • Received Date: 2009-02-03
  • The morphology of mature male cones was observed and the impact of climate was studied. The collecting days of mature pollen at Chun'an County, Zhejiang Province, was during the 3-5-days period from the end of Mach to the beginning of April in normal temperature years, which would be 3-5 days later in low temperature years and 3-5 days earlier in high temperature years. The male cones at lower elevation blossom 6-8 days earlier than those at the elevation of 120-550 m. Therefore, it is practical to prolong reasonably the collecting period of pollen.
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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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Observation on the Mature Period of Masson Pine Male Cones and Its Climatic Impact

  • 1. Forestry Bureau of Chun'an County, Zhejiang Province, Chun'an 311700, Zhejiang, China
  • 2. Pine Pollen Research and Development Center, Chinese Academy of Forestry, Fuyang 311400, Zhejiang, China
  • 3. Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, Zhejiang, China
  • 4. Laoshan Forest Farm, Xin'anjiang Development Company of Chun'an County, Chun'an 311700, Zhejiang, China
  • 5. Jinfengxiang Forest Station of Chun'an County, Zhejiang Province, Chun'an 311701, Zhejiang, China

Abstract: The morphology of mature male cones was observed and the impact of climate was studied. The collecting days of mature pollen at Chun'an County, Zhejiang Province, was during the 3-5-days period from the end of Mach to the beginning of April in normal temperature years, which would be 3-5 days later in low temperature years and 3-5 days earlier in high temperature years. The male cones at lower elevation blossom 6-8 days earlier than those at the elevation of 120-550 m. Therefore, it is practical to prolong reasonably the collecting period of pollen.

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