Soybean lectin (SBL) binding assays to different species of Bradyrhizobium and Sinorhizobium.

A+, dark purple spot; -, absence of coloured spot.BNod-, nodules are not formed; Fix-, ineffective or poorly effective nodules are formed; Fix+, effective nitrogen-fixing nodules are formed.CBacteria isolated from Beta vulgaris (sugar beet).DBacteria isolated from Pachyrhizus ahipa.EFix+ with some Asiatic soybean cultivars but Nod- or Fix- with the American soybean cv. Williams.FFix+ with some Asiatic soybean cultivars and also with the American soybean cv. Williams.GBroad host range S. fredii strain isolated from nodules of Lablab purpureus. Nod- with all soybeans tested.Soybean lectin (SBL) binding assays to different species of Bradyrhizobium and Sinorhizobium.