摘要： <正>在１９９０年编写我国豆科树种结瘤情况的资料基础上，近三年又在江苏、山东、安徽、福建、云南等省部分地区野外调查及育苗观察了４８属１２２种豆科树种结瘤情况，其中３６种是国内首次观察。

Abstract: A field survey of 48 generact 122 species of tree legumes have been examined for nodulation in Jiangsu, Shandong,Anhui,Fujian and Yunnan provinces.and 36 species of them were first reported in China.As expected,all 26 species of Caesalpinioideae failed to nodulate.