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在四川金堂和平昌两县四川桤木资源清查基础上,对两县桤木进行了优树选择,分析了桤木在适应性、生长性和生态方面的特性。采用5株优势木比较法进行了优树选择,筛选出优良单株。并就四川桤木育苗技术及苗期管理进行了总结和介绍。
Based on the inventory of alder resources in Sichuan Jintang and Pingchang counties, we selected the elm trees in two counties and analyzed the characteristics of Alnus crest in terms of adaptability, growth and ecology. The superior trees were selected by five dominant wood comparison methods, and the excellent single plants were screened. And summarize and introduce the seedling raising techniques and seedling management of Alnus crest in Sichuan.