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华北落叶松是华北地区主要造林树种和用材树种。它具有生长快,材质好,用途广的特点。对这个树种的繁殖,历来采用种子繁殖,用扦插方法生根十分困难。现将我们两年来采用华北落叶松2—22年生母树当年枝条进行扦插获得生根的成果介绍如下: 1、试验方法内容试验材料:插条。分硬枝、嫩枝、采用2年3年6年10年13年15年22年生母树当年生枝条。基质:(插壤)采用森林腐殖质土、腐殖土掺牛马粪、松林
Larix principis-rupprechtii is the main tree species and timber species in North China. It has fast growth, good material, wide range of uses. The propagation of this species has always been the use of seed breeding, root cutting method is very difficult. Now we two years to adopt Larix principis-rupprechtii 2-22 year branches of the current cuttings for rooting results are as follows: 1, test methods Content Test material: cuttings. Divided into hard branches, shoots, with 2 years 3 years 6 years 10 years 13 years 15 years 22 years old tree branches when raw. Matrix: (insert soil) using forest humus soil, humus soil mixed cattle horse manure, pine forest