毛赤杨在小陇山林区的引种栽培

Introduction and Cultivation of Alnus sibirica in Xiaolongshan Forest Area

通过对毛赤杨在甘肃小陇山林区28年的引种试验,调查结果表明,毛赤杨在小陇山林区表现出明显的生长优势和较强的适应性,26年生毛赤杨平均胸径23.8 cm,树高13.5 m,已开花结实,繁殖新的苗木。实现了从种子-苗木-种子的引种过程,毛赤杨在甘肃小陇山林区引种初获成功,可在小陇山林区推广造林。

Based on introduction experiment of Alnus sibirica in Xiaolongshan forest area in Gansu province for 28 years,the results of survey showed that Alnus sibirica had evident growth advantage and strong adaptability in Xiaolongshan forest area,the average diameter at breast height and height of 26 years of Alnus sibirica reached to 23.8 cm and 13.5 m,and the introduction process of seedling-seed-seedling were realized,primary successful introduction of Alnus sibirica in Xiaolongshan forest area of Gansu province and the cultivation of Alnus sibirica could be expanded in Xiaolongshan forest area.