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马尾松制浆造纸材良种选育目标及不同变异层次选择策略(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年02期
Page:
19-23
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Index and Strategy in Different Variation Levels on Selection Breeding for Pulpwood in Masson Pine
Article ID:
1000-2006(2001)02-0023-01
Author(s):
XU Li-an WANG Zhang-rong
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037,China
Keywords:
Pinus massoniana Pulpwood Selection breeding Stem volume Wood basic density
Classification number :
*
DOI:
10.3969/j.jssn.1000-2006.2001.02.005
Document Code:
A
Abstract:
Genetic variations in different levels of masson pine (Pinus massoniana Lamb. ) in main traits were studied on the basis of the 12-year-old data of provenance tests at 7 test locations and the 11-year-old data of plus progenies at 2 test locations, and the index and strategy in different variation levels on selection breeding for pulpwood in masson pine was also discussed. The results showed that stem volume (V) and wood basic density (BD) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection. V was the first trait in provenance selection for pulpwood. There were different optimum provenances in different regions: the best provenances in the south of range were from the same regions the best ones in the middle of range were from the south of the same region and from the south of range; then the optimum ones in the north of range were from the middle of range (especially N 26. 5°~ 28. 0°). V could be regarded as the only trait in stand selection and both V and BD shoud be considered in individual selection within stand.

References

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Last Update: 1900-01-01