欢迎访问林业科学,今天是

林业科学 ›› 2004, Vol. 40 ›› Issue (4): 201-205.doi: 10.11707/j.1001-7488.20040437

• 研究简报 • 上一篇    下一篇

马尾松种子园无性系结实量、种实性状及遗传参数的分析

徐进 王章荣 陈亚斌 丘进清   

  1. 南京林业大学森林资源与环境学院,南京210037福建省漳平县五一林场,漳平364400;福建省林木种苗站,福州350003
  • 收稿日期:2001-12-20 修回日期:1900-01-01 出版日期:2004-07-25 发布日期:2004-07-25

An Analysis of Genetic Parameters,Characters of Seed and Cone,and Cone Yield of Clones Grown in a Seed Orchard for Pinus massoniana

Xu jin Wang,Zhangrong,Chen Yabin,Qiu Jinqing   

  1. College of Forest Resources and Enviroment,Nanjing Forestry University Nanjing210037;Wuyi Forest Farm,Fujian Province Zhangping364400;Fujian Forest Seed and Seedling General Station Fuzhou350003
  • Received:2001-12-20 Revised:1900-01-01 Online:2004-07-25 Published:2004-07-25

关键词: 马尾松, 无性系种子园, 种实性状, 繁育能力, 遗传参数

Abstract:

The cone and seed characters of Pinus Massoniana were investigated in a clonal seed orchard for two successive years(1998 and 1999).The results showed that significant genetic variation existed among clones,while variation within clone had not come up to remarkable standard.Broad sense herit ability of cone and seed characters in P.massoniana were influenced by genetic factors,most of them were at over middle level.There was a extremely significant difference in the correlation coefficients among the characters of cone and seeds,and the correlation coefficients of the same character in different years were at the extremely significant level,which indicated that the clones were quite stable from year to year in cone and seed quality and size.At last,the comprehensive evaluation was estimated in 140 clones by main index of reproductive capacity.The genetic gain of cone yield of a single tree,the seed numble of a single cone,and full seed percentage,and reselection of clones were discussed under different selection intensities.

Key words: Pinus massoniana, Clonal seed orchard, Cone and cone characteristics, Reproductive capacity, Genetic parameter