Study on pollination characteristics of natural population of Pinus koraiensis
红松天然种群风媒传粉特点的研究

The natural populations of Pinus koraiensis have some anemophily advantages.Pollination often occurs in the middle June at clear days.Howere,the phenological delay or raing season advance may cause a great amount of pullens loses.Pallens allocation varies with the different height in the stand.The highest density appears at the available height (about 25m).Korean pine pollens can be transported in a limited distance.