杨树新品种引种试验初报  

Preliminary Report on the Introduction Test of New Populus cathayana Rehd Varieties

作　　者：吴延瑾 Wu Yanjin(Natural Resources,Forestry and Grassland Bureau of Ledu District,Haidong City,Ledu,Qinghai 810799,China)

机构地区：[1]海东市乐都区自然资源和林业草原局,青海海东810799

出　　处：《绿色科技》2022年第17期110-114,共5页Journal of Green Science and Technology

摘　　要：在青海省海东市乐都区引进6个杨树新品种,通过引种栽培试验,与当地青杨树种对比,得到了初步结果:①6个引进杨树新品种苗木均能在当地越冬,但沙兰杨、格尔里杨、小青杨、河小×旱美1年生2年生苗有冻害和枯梢发生,夏季有叶锈病发生,需要进一步试验观察;②6个引进杨树新品种苗木开芽期、落叶期等物候期、生长期、生长进程、生长所需气温等条件与当地青杨接近,宜在乐都区生长。为此,建议进行小面积种植试验,在青海省内气候条件适宜地区开展区域种植试验,进一步筛选优良品种,逐步推广扩大栽培面积,丰富青海优良品种资源。Six new poplar varieties were introduced in Ledu District, Haidong City, Qinghai Province. Compared with local Populus cathayana Rehd. species, preliminary results were obtained through introduction and cultivation experiments:① The seedlings of the six introduced new poplar varieties could overwinter in the local area, but Populus × canadensis Moench subsp., Populus×canadensis Moench. cv. gelrica, Populus pseudosimonii Kitag. and Hexiao×Hanmei 1-year-old and 2-year-old seedlings have frost damage and dieback, and leaf rust occurs in summer. Further experimental observation is required;②Conditions such as phenological period, growth period, growth process, and temperature required for growth are close to those of the local Populus cathayana Rehd. So, it should be grown in Ledu District. It is recommended to carry out small-scale planting experiments and carry out regional planting experiments in areas with suitable climatic conditions in Qinghai Province to further screen excellent varieties, gradually expand the cultivation area, and enrich the resources of Qinghai’s excellent varieties.

关 键 词：杨树新品种 引种 试验 

分 类 号：S7[农业科学—林学]