杜松属柏科常绿小乔木,高可达10米。树冠塔形或圆柱形。它对土壤要求不严格,耐旱,耐寒,寿命长。常生长在石灰岩山地或石灰性母岩所形成的栗钙土或黄土上,与油松等混生。杜松是干旱、严寒地带的造林树种,也是庭园绿化的观赏树种。杜松种子的种皮厚而坚硬,含有树脂,吸水困难,影响种子的萌发。育苗前,种子需经脱脂催芽。1981年太原绿化东西山办公室分别在所属的绿化队苗圃和委托社队苗圃进行播种试验,取得了一些培育杜松苗的经验,现将情况介绍如下: 一、种子处理 1.脱脂:将杜松球果晾干后混粗砂碾压,筛出砂子,清除果皮杂物,出种率可 Juniper cypress is an evergreen small tree, up to 10 meters. Canopy tower or cylindrical. It is not strict on the soil, drought, cold, long life. Often grow in the limestone mountain or limestone rock formed by the chestnut soil or loess, and pine mixed. Juniper is an arid, frigid zone of afforestation species, but also the ornamental tree species of landscaping. The seed coat of juniper seeds is thick and hard, contains a resin, and has water absorption difficulties that affect the germination of the seeds. Before seedling, seeds need degreasing germination. In 1981, Taiyuan Afforestation Dongxishan Office conducted sowing experiments in afforestation teams and entrusted commune-nurseries respectively and obtained some experience in cultivating juniper seedlings. The situation is as follows: I. Seeds processing 1. Degreasing: airing juniper cones Mixed dry sand after crushing, sifting out the sand, remove the debris debris, the seed rate can be