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时值立冬,大丽花花期结束,有较多的带蕾花枝和健壮的嫩枝都可供扦插繁殖。冬季扦插比春季嫩枝扦插提早开花,而且每株可剪取10~20个插枝,比块根分植可增加3~4倍的材料。在江南地区,趁霜冻以前剪取插枝,长度10~20cm(有部分节间修长的也能利用),打掉花蕾。无叶枝条也可。
When the value of the beginning of winter, dahlia flowering is over, there are more with buds and robust branches for cutting propagation. Winter cuttings flowering earlier than the spring shoots cuttings, and each plant can cut 10 to 20 cuttings, than the root can be planted to increase the material 3 to 4 times. In the southern part of the country, cut the cuttings before frost, with a length of 10 ~ 20cm (some internodes can also be used) and knock down the buds. No leaves branches can be.