90年代以来,我省板栗每年约以20万亩的速度递增,截止1996年全省板栗面积已达210万亩,据测算约有1/3以上的板栗尚未嫁接,平均每亩按40株计,尚有近3000万株需要嫁接,若每年嫁接10万亩,则至少需要板栗接穗400万支。目前生产上较规范的专业性板栗采穗圃不多见,良种接穗缺口较大,导致生产上 Since the 1990s, the province’s chestnuts have been increasing at an annual rate of about 200,000 mu. By the end of 1996, the area of ​​chestnuts in the province has reached 2.1 million mu. It has been estimated that about 1/3 of the chestnuts have not yet been grafted. The average yield per mu is 40 , There are still nearly 30 million need to graft, grafting 10 million mu per year, then at least 4 million need chestnut scion. At present, the production of more than the standard professional Chestnut rare nursery, seed larger gap, leading to production