银杏硬枝春插技术研究肖千文，周兰英，黄从德（四川农业大学）银杏（Ｇｉｎｇｏｂｉｌｏｂａ）为种、叶、材、园林绿化兼用的多功能优良珍贵树种，也是国家二级保护树种［１］，分布于我国２０个省区［２］，短校可以连续多年结果，丰产性能良好，栽培意义重大。”银杏资... Gingko (Gingko biloba) is a multi-functional and precious species that is used by species, leaves, timber and landscaping and is also a national second-level protected species [1], Distributed in 20 provinces and autonomous regions in China [2], short-term results can be continuous for many years, good yield performance, cultivation of great significance. "Ginkgo ...