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利用colt砧木易萌发侧和侧枝基部易产生不定根的生长特性,对其2年生植株进行剪干、抹芽,促发侧枝长出。然后在当年侧枝基部分3次培土并覆膜,促进侧枝基部发生新根;同时加强压条母株的肥水管理,保证侧枝生长健壮,提高新根的质量。秋季落叶后将侧枝带根剪下,可成为一株独立的小苗。
The use of colt rootstock easy to germinate side and collateral easy to produce adventitious root growth characteristics, its 2-year-old plant cuttings, wiping buds, to promote the growth of collateral. In the same year, the soil was covered with film and peeled three times to promote the new root at the base of the lateral branch. At the same time, fertilizer and water management of the parent tree was strengthened to ensure the robust growth of the lateral branch and improve the quality of the new root. After the autumn leaves will be cut off with the lateral branches, can become an independent seedlings.