银杏人工授粉技术银杏为雌雄异株的树种，单株孤立生长无法完成授精而不结果实。只要通过人工授粉的办法，就能使其结出丰硕的果实。常用的方法有：１．挂雄花枝法当雄花花序由青转淡黄时，将雄花枝采下，剪成２５～３０厘米长的枝段，然后２～３枝交叉用细绳扎成一束，挂... Ginkgo biloba artificial pollination technology dioecious tree species, isolated growth alone can not be inseminated without fruiting. Just by means of artificial pollination, you can make it bear fruitful. Common methods are: 1. When the male male twig grows when the male flower inflorescences turn pale yellow, the male twig is taken and cut into 25-30 cm long branches, then 2 or 3 branches are tied with a string to form a bunch ...