Used vertical slab polyacrylamide gel electrophoresis discontinuity of Minqin desert botanical garden Calligonum Hexi 16 plants for the esterase(EST)isozyme analysis.The results showed that:16 per plant had a common Pu belt which could be used as Hexi characteristics Calligonum bands;The Hexi Calligonum of Minqin desert botanical garden were introduced from three different geographical.%采用聚丙烯酰胺垂直平板不连续凝胶电泳技术,对甘肃省民勤县沙生植物园的16个河西沙拐枣单株进行了酯酶(EST)同工酶分析.结果表明:16个单株遗传多样性丰富,并且有1条共同的谱带,可作为河西沙拐枣的特征谱带;此外,民勤沙生植物园种植的河西沙拐枣引自3个不同的地域.
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