选择适宜的树种是造林成败的关键。作为银北地区更新造林的主要树种,不仅需要具有对天牛等主要病虫害的高抗性能,而且要求其适应性强,生长快,千形直,材质好,用途广,以便为群众所接受,在生产中能广泛应用。在几年来的造林绿化实践和定点调查中,我们认为臭椿具备以上特点,可 Choosing the right tree species is the key to forest success or failure. As a major tree species for reforestation in Yinbei, it not only needs to have high resistance to major diseases and pests such as Begonia, but also requires its adaptability, fast growth, straight shape, good material, wide use, so as to be accepted by the masses. Can be widely used in production. In recent years afforestation practices and designated surveys, we believe that Ailanthus possesses the above characteristics, but