黑松(Pinus thunbergii Parl.)原产于日本,引入我国山东烟台沿海地区巳有70多年历史,生长优于当地的赤松(Pinus densiflora Sieb.et Zucc),抗松干蚧的能力高于赤松。解放后,黑松成为营造海防林的主要造林树种。在选材的黑松林内,约有90％以上的个体是黑松,另有不足10％个体的干形、皮色、树皮开裂、叶形、叶色、冬芽大小、颜色……等都不 Pinus thunbergii Parl. Is native to Japan. It has been introduced into the coastal areas of Yantai, Shandong Province for more than 70 years. It grows better than Pinus densiflora Sieb. Et Zucc and has higher resistance to Pinus thunbergii than Pinus thunbergii. After the liberation, black pine became the main afforestation tree species to create the Haiphong forest. In the selected black pine forest, about 90% of individuals are black pine, while less than 10% of the individual dry, skin color, bark cracking, leaf shape, leaf color, winter bud size, color, etc. are not