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Home > Archive>Volume , Issue 2, 2005 >163-167. DOI:10.13430/j.cnki.jpgr.2005.02.008 Online First
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Study on Law of Flower and Cone of Fokienia hodginsii Provenance
DOI:
10.13430/j.cnki.jpgr.2005.02.008
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  • HOU Bo-xin,LIN Feng,YU Ge-fei,CHENG Zheng-hong,ZHANG Xin-hua,TAO Shen-mian

    HOU Bo-xin,LIN Feng,YU Ge-fei,CHENG Zheng-hong,ZHANG Xin-hua,TAO Shen-mian


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S791.248 S791.241

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    Abstract:

    Fokienia hodginsii flowers twice a year: one is spring flowering from April to May and the cone is ripe in October of the same year, while the seed has not viability; the other is autumn flowering that from September to October, and the cone is riping in October of next year, while the seed has viability. Biological and phenological characters of flower and cone are closely linked to geography and climate factors including place, altitude, temperature of natural distribution area and so on. Autumn flowering, fruit, maturity and seed falling were in mountainous areas earlier than in lower mountainous areas, and much earlier than in hilly areas, and in high altitude areas earlier than in low altitude areas. Phenology of flower and cone is the same among different provenances in same area and altitude. There were not obvious differences in the characters of cone and seed, one cone weight, thousand-seed weight and germination percentage. Phenology of flower and cone is different among different provenances in different areas altitude; there are obvious differences in the cone diameter, cone height, seed number, thousand-seed weight and germination percentage.

    Key words:Fokienia hodginsii; Florescence; Mature fruiting phase; Variation; Provenance
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History
  • Received:December 16,2004
  • Revised:February 28,2005
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