石楠嫩枝密封扦插育苗技术

Seal Cutting Seedling Technique of Photinia serrulata Lindl. Twigs

石楠(Photinia serrulata Lindl.)是城市园林绿化中重要的观叶、观果树种,分布及栽培区域为华中、华东及其以南各省和华北南部(山东、河南)。石楠传统上采用播种育苗,但程序繁琐,且播种后长出的苗木较细,主干弯曲或呈丛生状态,不适合作为观赏苗木。若采用嫩枝密封扦插育苗,方法简单、产苗量高,培育出的苗木主干通直,可长成乔木,观赏性强。扦插苗与播种苗相比还能提早结实,满足园林景观中观果功能的需求。

Photinia serrulata Lindl. is an important tree in the urban landscape greening for enjoying the leaves and the fruit, and its distribution and cultivation area are in the central and East of China,southern provinces and the southern part of the North China（Shandong province,Henan province）. The semination seedling is used for Photinia serrulata Lindl. Traditionally,but the program is complicated,and the twigs are thin and weak after sowing,the trunk are winding and appear clustered,so semi- nation seedling is not suitable for Photinia serrulata Lindl. If using seal cutting seedling technique,the method is simple and has high seedling production. Cultivate seedlings have straight trunk, can grow into trees, look much more attractive to the view. Cutting seedling compared with planting seedlings can early to bear and meet the requirements of landscape function.