银杏俗称白果,是现存种子植物中最古老的孑遗植物,素有“活化石”之称。它不仅是著名的用材和园林绿化树种、而且种子可食,果、树皮、树叶和树根均能入药,也是优良的特用经济树种。近几年来,全国各地都极力地发展它,但甚感种源之紧缺和昂贵,以及速度之缓慢。为了降低成本,加快繁殖,促进发展,我们从1988年开始在安徽省全椒县草庵乡洪 Ginkgo commonly known as ginkgo, is the oldest relict plants of existing seed plants, known as “living fossil ” said. It is not only well-known timber and landscaping species, but also edible seeds, fruit, bark, leaves and roots can be used as medicine, but also an excellent special economic tree species. In recent years, it has been developing it vigorously in all parts of the country, but it is deeply intimidated and costly and at a slow pace. In order to reduce costs, speed up breeding and promote development, we started in 1988 in Quanjiao County, Anhui Province grass hut Hong