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2008-2010年采用筛选出表现良好的优良品种,连续3a对在试验点各品种的造林成活率、抗寒性、病虫害、年生长量、产叶量进行了调查分析。结果表明:(1)从立地类型来看,立地类型不同,则抗寒性、病虫害发生情况、年生长量、产叶量略有不同,孔家寺的好于三塬苗圃;(2)在同等管理条件下,热量是影响产叶量的主导因子,海拔低、气温高,生长季长,长枝和中长枝数量多,且叶片发育充实,产叶量高。(3)综合分析,除田河3号外,其他品种表现均良好,在我州海拔1 615m以下具有较强的适应性。
In 2008-2010, excellent varieties with good performance were screened, and the success rate of afforestation, cold hardiness, pest and disease, annual growth and leaf yield of all varieties at the test point were continuously investigated for 3 years. The results showed that: (1) According to the site types, the site types were different, the cold resistance, the occurrence of pests and diseases, the annual growth amount and the leaf yield were slightly different. Kongji Temple was better than that of Sanlanyuan nursery. (2) Under the same management conditions, heat is the dominant factor affecting the leaf yield. Low elevation, high temperature, long growing season, large number of long branches and middle and long branches, and abundant leaf development and high leaf yield. (3) According to the comprehensive analysis, except for Tianhe No.3, the other varieties performed well, and the adaptability was below 1 615m above sea level in our country.