西南林业大学学报2025，Vol.45Issue(9)：8-15,8.DOI:10.11929/j.swfu.202410028
辽宁大孤家红松种子园无性系评价与选优研究
Clonal Evaluation and Optimization of Dagujia Pinus koraiensis Seed Orchard in Liaoning
摘要
Abstract
Using 55 clones of Dagujia Pinus koraiensis seed garden as materials,the genetic variation of growth and seed traits,and genetic parameters were investigated to carry out excellent clone breeding.The results showed that there were significant differences in each character among the clones.The genetic variation coeffi-cients of growth and seed traits ranged from 4.43％to 16.85％and 3.06％to 45.87％,the phenotypic variation coefficients ranged from 5.02％to 18.91％and 3.25％to 56.13,and the repeatability ranged from 0.54 to 0.79 and 0.44 to 0.98,respectively.The average genetic and phenotypic variation coefficient of the selected traits were 17.96％and 22.03％,and the average repeatability was 0.77,with high variability and high repeatability.There were different degrees of positive correlation among the selected traits.The genetic gain of 6 excellent fruit and wood dual-purpose clones selected by membership function method with 10％selection rate was 2.15％(thousand kernel weight)169.62％(seed weight per plant),and the average value was as high as 49.31％.关键词
红松/生长/种实/选育Key words
Pinus koraiensis/growth/seed/breeding分类
农业科技引用本文复制引用
杨圆圆,于世河,冯健,战金伟,王悦,卜鹏图..辽宁大孤家红松种子园无性系评价与选优研究[J].西南林业大学学报,2025,45(9):8-15,8.基金项目
"十四五"国家重点研发计划项目(2022YFD2201800-02)资助 （2022YFD2201800-02）
辽宁省农业科学院学科建设项目(2022DD217036)资助. （2022DD217036）
