烟青,系青香蕉苹果的短枝型,为烟台推广发展的优良晚熟短枝型品种,各地引种发展较多。为了探索其适宜丰产树体结构,更好地为当前生产服务,笔者对其不同树体结构及产量进行了调查,认为“下大上小,形似大盘子顶着个小馒头”的扁圆形树体结构最适合此品种,其结构特点是: 一、低干扁冠:干高适宜范围22～28cm,山坡地树干稍矮,河滩地树干略高。树高2.6～ Tobacco green, Department of green banana apple spur type for the promotion of the development of Yantai good late shrub varieties, introduced more developed around. In order to explore its suitable bumper tree structure, and better for the current production services, the author of its different tree structure and yield were investigated, that “under the big small, shaped like a big plate with a small steamed bread,” the oblate Tree structure is most suitable for this variety, its structural features are: First, low dry crown: dry high suitable range 22 ~ 28cm, slightly lower trunk slopes, beaches slightly higher trunk. Tree height 2.6 ~