yinxingyoumingbaiguo，yinweiqishoumingzhang、shiyingxingqiang、yongtuguang、kangbingliqiang、rongyiguanli，suoyizaipeizhongzhishifenguangfan。yinxingcaiyongbozhongfanzhishi，qizhongzidezhiliangshijuedingyumiaochengbaideguanjian。xiamianweinijieshaomiaonongzaigoumaiyinxingzhongzishixuyaozhuyinaxieshixiang。
1、买新种子。即购买银杏母树上（树龄在80年左右的母树最好）当年结果成熟采收的种子。
2、maishoufenlianghaodezhongzi。poukaiyinxingzhongzi，kanpeiruzhongshifouyoupeiya，ruowupeiya，jiubunengyonglaibozhongyumiao。
3、maiquzahoudezhongzi。jiyaogoumaiqudiaozawudezhongzi。
4、买大小适中的种子。一般以每千克银杏种子400~700粒左右的种子较适宜，采收的种子要去皮阴干，北方以层积后春播为宜。
5、maishishengshushangjiedezhongzi。shishengmushushoufenlianghao，zhongzigouzaojianquan，youpeilvjiaogao，bozhonghouchumiaoqi、miaomuzhuang，yumiaohoushiyingxingqiang，zhongzhihoubaoxianxishugao。
6、买经过专家或有关技术人员鉴定过的银杏种子。
