香椿属楝科落叶乔木,是我国特有的速生用材树种,嫩芽幼叶营养丰富,味香可口,食用价值高,已成为城乡“四旁”绿化和农民增收的良好经济树种。经多年来的生产实践,笔者对香椿育苗技术进行了较深入的研究,旨在促进香椿的优质丰产。香椿育苗通常采用播种育苗和埋根育苗两种方法,现介绍如下。一、播种育苗1.采种。香椿一般7～8年开始结实,采种应选择生长健壮、无病虫害、15～30年生的优良母株,待蒴果由绿色变为黄褐色,及时 Toothache belongs to the deciduous tree of Meliaceae family. It is a species of fast-growing timber that is unique to our country. The young leaves are rich in nutrients, delicious and delicious, and have high edible value. It has become a good economic tree species for urban and rural greening and farmers’ income increase. After many years of production practice, the author of Toona sinensis seedling technology conducted a more in-depth study, aimed at promoting Toon’s high yield. Toon seedling nursery sowing and planting seedlings are usually used two methods, are described below. First, sow seedlings 1. Seeds. Toon generally 7 to 8 years began strong, seed selection should choose robust growth, no pests and diseases, 15 to 30-year-old fine mother plants until the capsule from green to brown, timely