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由于树冠嫁接具有保持接穗母本优良特性和提前开花结实等特点,故在果树及林木选种中早已应用,并获得良好的效果。为了缩短悬铃木少果毛品系鉴定年限,加速少果毛品系的培育,从根本上解决落果毛污染城市环境及危害人体健康问题,迫切需要解决悬铃木的树冠嫁接技术,因此我们于1982～1985年进行了悬铃木树冠嫁接方法试验,已获得初步成功。现将四年试验的结果总结如下。
Because the grafting of the crown has the characteristics of keeping the excellent characteristics of the female parent of the scion and early flowering and fruiting, it has already been applied in the selection of the fruit tree and the forest tree and obtains the good effect. In order to shorten the identification of Pinus densiflora fruit line age and accelerate the cultivation of less fruit hairy lines, to solve the problem of the pollution of urban environment and endangering human health, the urgent need to solve the canopy gramineous tree grafting technology, so we conducted in 1982 ~ 1985 Plaque crown test method of grafting, has been initially successful. The results of the four-year trial are summarized below.