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嫁接无性系种子园是用优树的接穗嫁接形成无性系后营建而成的。无性系种子园有如下几方面优越性: ①能生产具有优良遗传特性的种子;②能使种子生产连年稳定丰产;③在不同自然地理条件下建立种子园,从而避免了种子远距离调运和利用外地种子时造成的适应性差的缺点;④形成低矮而宽大的树冠,解决了采种技术上的困难;⑤由于种子产量高,播种品质和遗传品质好,从而降低了种苗成本。
Grafted clones seed orchard is a tree scion graft formed after the formation of clones. Clonal Seed Garden has the following advantages: ① can produce seeds with excellent genetic characteristics; ② seed production can be stable and yielding in recent years; ③ in different natural and geographical conditions to establish seed orchards, thus avoiding the long-distance transportation and utilization of seeds The shortcomings of poor adaptability caused by foreign seeds; ④ the formation of low and wide canopy, to solve the technical difficulties of seed; ⑤ due to high seed yield, sowing quality and genetic quality, thus reducing the cost of seedlings.