【摘要】 四合木、半日花、绵刺、沙冬青、蒙古扁桃是分布在我区荒漠地区的重要珍稀濒危树种，均被列为国家级保护植物，具有很高的科学研究价值。几年来通过在内蒙古林科院树木园引种栽培，对它们的生态特性、适应性及生长表现有了新的了解，也摸索到育苗栽培技术要点，为今后更广泛地开展对荒漠植物的引种栽培积累了技术资料。更多还原

【Abstract】 Tetraena mongolica、Helianthemum soongoricum、Potaninia mongolica、Ammopi-tanthus mongolicus、Prunus mongolica are five major rare and endangered specias distributedin desert area of Inner Mongolia,and they are all country priority proteetion plants endowedwith very important scientific rpsearch value.By our several years study of introducing andplanting in Arboretum,Inner Mongolia Academy of Froestry Science,new acknowledge menton their ecological characteriseics,adaptation and growth process has been acquired also wedeveloped the techiniques for mersuring,As the result technique data for enlurging their in-troduction have been acctimnlated.更多还原