杉木基因资源收集、保存和利用的研究*

Abstract

Abstract:

Based on an introduction to methods used for acquisition, conservation and utilization of genetic resources, methods for classification and nomenclature of genetic resources and number them and the conservation techniques that "diverse methods, rolling development and integrated conservation and utilization" were proposed.3113 seedlots containing 18764 individuals of Chinese fir were conserved, A secondgeneration provenance gene pool and an in situ conservation stand of a small population of superior "Chenshan Chinese fir" were established.Form traits, phenology and relations of origin to growth, wood properties and isozymes were investigated.Canopy density, crown width and winding extent of cone scales were significantly and positively related to volume growth in general.There was isozyme variation in the greybranch Chinese fir and Yellow-branch Chinese fir has large wood density.Wood properties of "Chenshan Chinese fir" and the structure of its stand were also studied.

Key words: Chinese fir, Genetic resource, Acquisition, Conservation, Utilization, Number, Nomenclature

Huajian Wang,Quan Huang,Zongfu Deng,Junhao Lu. ACQUISITION, CONSERVATION AND UTILIZATION OF GENETIC RESOURCES IN CHINESE FIR[J]. Scientia Silvae Sinicae, 1999, 35(5): 38-45.

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ACQUISITION, CONSERVATION AND UTILIZATION OF GENETIC RESOURCES IN CHINESE FIR

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