银杏生物生态学特性、经济价值及开发利用调查研究

Investigation on the Biologlcal and Ecological Characteristics and Economic Value of Ginkgo as well as its Development and Utilization

银杏ＧｉｎｋｇｏｂｉｌｏｂａＬ．是我国特有树种。银杏的用途广、经济价值高，尤其叶提取物的医疗保健功能，举世瞩目，倍受青睐。银杏分布广、生态适应性强，亚、欧、美洲的许多国家和地区都有引种栽培。甘肃是我国银杏地理分布的西部适生区，陇南一带有悠久的栽培历史、良好的工作基础和自然优势，具有广阔的发展前景。随着银杏的不断开发利用，发展银杏将是创汇、致富的重要资源和战略措施。在介绍了银杏的生物学和生态学特性、经济价值和国内外开发利用现状的同时，提出了加强发展银杏的建议，包括科研与推广、栽培与加工、组织与技术等方面的问题和意见。

Ginkgo is the exclusive species of China,With its popularadvantage such as a high economic value and many uses,ginkgo i s gettingmoie and more famous in the world,especialy,the substance abstractedfrom its leaves are of great medical and health fuction,As we haveknown,ginkgo disributes the extensive areas with strong adaptability to itsecological environn1ent.At present,many countries and regions in Asia,Europe and America introduced and cultivated ginkgo,Gansu Province issuch a region that the geographical distribution of ginkgo is the west partof ginkgo suitable for growing in China,The southern part of GansuProvince has a long histroy of cultivating ginkgo,and in this region, plentyof research work have been done,As the result of the natural advantage,cultivating ginkgo has the wide prospects of development,With the contin-uous development and further utilization from ginkgo,developing ginkgo isno doubt important resource for gaining foreign exchange, getting richer aswell as improving the general level of the people’s health and a strategicalmeasure,This paper introduces the biologicai and ecological characteristics,economic value of ginkgo and the present situation of developing and utiliz-ing ginkgo at holne and abioad,and also gives some practical proposals onthe development of ginkgo,which concern with research and extension,cult-ivation and process, technology and management etc.