From: Genetic parameter changes and age−age correlations in Pinus koraiensis growth over 40-year progeny testing
Site
CJ
GP
Number of planted trees
1,458
1,154
Number of remained trees
997
824
Number of assessments
11
12
Age of growth trait assessment
Age 5, 8, 10, 13, 15, 18, 20,
23, 26, 30, 40
Age 5, 8, 10, 15, 18, 20,
23, 26, 29, 30, 35, 40