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通过对引自我国北方温带草原区域的老芒麦3个品种和川西北高寒牧区3个品种同植于川西北高寒牧区的群体生育进程、植株性状和叶片组织解剖比较,结果表明,两地域品种的生态适应性有着明显差异。它们已由水热差异为主导因子分化形成了两种气候生态型。
By comparing the population growth process, plant traits and leaf tissue anatomy of three cultivars of Elymus mongolica and the alpine pastoral area in northwestern Sichuan Province, which were introduced from temperate steppe area in north China, The ecological adaptability has obvious difference. They have been formed by the differentiation of hydrothermal and heat-induced factors into two climatic ecotypes.