宜昌市15个美国树种（种源）引种试验初报

A preliminary Study on the Introduction of 15 American Tree Species (Provenances)in Yichang City

摘要:

摘要：通过对15个美国树种（种源）引种栽培试验研究，从耐热性、抗寒性、观赏性、生长量、病虫害及区域适应性等因素综合分析评定，在宜昌市前期的试验结果初步表明：日本鹅耳栎、鸡爪槭、黄山木兰、连香、加拿大紫荆5个树种（种源）具有适应性强、观赏期长、叶色变化独特、无严重病虫害等优点，可作进一步观测试验和开发利用。

Abstract:

Abstracts:In this study, 15 introduced American tree species (provenances) were studied. Heat tolerance, cold resistance, ornamentals, growth increment, disease and insect pests were observed and analyzed synthetically. The results from preliminarily experiment in Yichang city showed that Carpinus japonica, Acer palmatum, Magnolia cylindrical, Cercidiphyllum japonicum and Cercis Canadensishad merits of strong adaptability, long ornamental period, distinctive changes of leaf color, no severe disease and insect pests , which could be further observed for development and utilization.