美国白蜡覆膜硬枝扦插育苗技术

摘要：针对绿化树种美国白蜡雄性优良单株无性繁育苗木培育成活率低的现状，从育苗地选择、土壤处理、硬枝插穗制作与储存、硬枝扦插及插后管理、苗木出圃等方面详细介绍了美国白蜡覆膜硬枝扦插育苗技术，为美国白蜡硬枝扦插育苗提供参考。

关键词：美国白蜡；覆膜；硬枝扦插；育苗

Seedling Propagation Technique by Using Hardwood Cuttings

of Fraxinus americana with Mulching

CHEN Jingjiao1，ZHANG Haifeng1，WANG Hongmei1，WANG Lichen1，LI Chunming2，ZHOU Zhijun1

（ 1.Forestry Ｒesearch Institute of Heilongjiang Province，Harbin， Heilongjiang 150081; 2.Northeast Forestry University， Harbin， Heilongjiang 150040）

Abstract：In view of the low survival rate of clonal propagation seedlings of Fraxinus americana， a green tree species， this paper introduces the techniques of hardwood cutting of F. americana from the aspects of selection of nursery site， soil treatment， production and storage of hardwood cuttings， hardwood cuttings and post-cuttings management， seedling out of nursery， etc. ， this paper provides a reference for the hardwood cuttage breeding of F. americana.

Key words： Fraxinus americana；Mulching；Hardwood cutting；Grow seedlings

美国白蜡（Fraxinus americana）是木犀科（Oleaceae）白蜡属（Fraxinus）植物。（剩余4530字）