Korean pine is one of the most important industrial timber species in northeast China.The low and unstable seed production is common questions in seed orchard of Korean pine. The major objectives of this study were to understand the growth and development rules of seed tree, provide optimum management techniques and improve genetic qualities and yields of seed orchard of Korean pine.
The height growth of seed trees in clonal Korean pine seed orchard in Lushuihe began in early May. Bet...