银杏实生苗一般要15～20年才能开花结果,40年左右才能形成效益。而经过嫁接改良的银杏树,3～5年即可挂果,不出10年就形成效益。于是,便有少数利欲熏心的人,大肆造假,以实生苗冒充嫁接苗,致使不少农户种植银杏嫁接苗后10多年不见挂果,上当受骗。农民购买银杏苗,究竟如何辩识真假嫁接苗呢?据笔者的生 Ginkgo seedlings generally 15 to 20 years to blossom, about 40 years to form a benefit. After grafting and improved ginkgo tree, 3 to 5 years to fruiting, not less than 10 years to form a benefit. As a result, there are a handful of people who wish to fumigate, wanton fraud, seedlings posing as seedlings grafted, resulting in many farmers planting ginkgo grafted seedlings after more than 10 years without seeing fruit, deceived. Farmers to buy ginkgo seedlings, how to identify true and false grafted seedlings? According to the author’s health