苏州市郊和吴县市林场于 1999年 3月引进美国栎属 2个树种 ,8个种源 (包括柳叶栎 6个种源 ,红栎 2个种源 ) ,用青冈、麻栎和小叶栎为对照 ,进行培育大苗试验。经 1a观测 ,结果是 :柳叶栎的生长量和成活率均高于红栎。在柳叶栎种源中 ,以 9816 ,9818号生长量和成活率较高 The suburbs of Suzhou City and Wuxian Forest Farm introduced 2 species of Quercus spp. And 8 provenances (including 6 provenances of Quercus glauca and 2 provenances of Quercus variabilis) in March 1999, using Cyclobalanopsis glauca, Quercus acutissima and Quercus variabilis as Control, nurture seedling test. After 1a observation, the result is: Growth and survival rate of willow oak were higher than that of red oak. In the provenance of Willow oak, the growth rate and survival rate of 9816 and 9818 were higher