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红松由于球果硕大(一般长12cm、宽7cm),由数个乃至数十个围生在当年生主枝和树冠顶部侧枝的新梢基部。每个球果的果柄如同小枝一样通过皮部,深入到木质部。球果发育期长达18个月,发育旺盛期与树高生长同步。特别是红松人工纯林,林木开始结实的年龄较天然林提早60—110年。这样使有些关心红松人工林的同志,把结实视为影响林木生长的主要因子之一。在红松天然资源日趋枯竭,人工更新或人工促进天然更新迫在眉睫的情况下,了解和掌握红松人工林林木结实与生
Korean pine due to large cones (usually 12cm long, 7cm wide), by several or even dozens of perinatal branches in the main branch and the top of the canopy at the base of the shoots. The stems of each cones pass through the skin as the twigs, deep into the xylem. Cones grow up to 18 months, vigorous growth and tree height growth simultaneously. In particular, pure Pinus koraiensis plantation, the age of trees began to grow 60-110 years earlier than the natural forest. In this way, some comrades who are concerned about the plantation of Pinus koraiensis regard the solidity as one of the main factors that affect the growth of trees. In the natural resources of Korean pine increasingly depleted, artificial regeneration or artificial promotion of natural regeneration is imminent, to understand and grasp the Korean pine plantation trees and strong