培育香椿苗木的目的在于冬季移植于日光温室内进行冬春生产,树苗的高度以1.0～1.5米为宜。要达到这一要求,就要调整株型进行矮化处理,具体做法如下: 一、摘心:摘心是使苗木增粗、变矮,提早形成饱满芽的重要措施。一般当株高10～15厘米时,从嫩芽部掰掉,不留叶片,使其主干侧芽萌发。当侧枝长到25厘米时,将嫩梢先端摘去,保留5～10厘米的枝柱, The purpose of nurturing toon seedlings in winter is transplanted in sunlight greenhouse winter and spring production, sapling height of 1.0 to 1.5 meters is appropriate. To achieve this requirement, it is necessary to adjust the plant type dwarfing treatment, the specific practices are as follows: First, topping: topping is seedling thickening, shortening, early formation of plump bud important measures. Generally when the plant height of 10 to 15 cm, breaking off from the bud Ministry, leaves do not leave, so that the main lateral bud germination. When the side branches grow to 25 cm, the tips of the tender shoots are removed, leaving 5 to 10 cm branches,