Table 1: Types, origin and source of Rhizobium isolates.

Isolates Code Host Geographic Origin Source Isolates Code Host Geographic Origin Source
JU2(4) Faba bean Mena Jimma JU3(1) Faba bean Mena Jimma
JU-E(1) Haricot bean Mena Jimma Ho-4-1SG Faba bean S. Gonder Holeta
JU1(2) Faba bean Mena Jimma JU47(2) Faba bean Mena Jimma
JU1(3) Faba bean Mena Jimma JU2(2) Faba bean Mena Jimma
JU8(1) Pea Mena Jimma JU2(3) Faba bean Mena Jimma
JU1(5) Faba bean Mena Jimma JU-Y(1) Haricot b Yebu Jimma
Ho-1-1NG Faba bean N. Gonder Holeta JU3(2) Faba bean Mena Jimma
Ho-1018 Faba bean N. Gonder Holeta JU8(2) Faba bean Mena Jimma
Ho-3WG Faba bean W. Gonder Holeta JU8(3) Faba bean Mena Jimma
JU26(1) Faba bean Mena Jimma JU-D(1) Haricot b Dedo Jimma
JU3(1) Faba bean Mena Jimma Ho-3-1SG Faba bean S. Gonder Holeta
JU15(2) Faba bean Mena Jimma JU5(2) Faba bean Mena Jimma
JU-S(1) Haricot b Seribo Jimma JU21(4) Faba bean Mena Jimma
JU11(1) Faba bean Mena Jimma JU-Sr(1) Haricot b Seribo Jimma
JU-G(2) Haricot b Ginibbe Jimma JU26(2) Faba bean Mena Jimma
Ho-2ST Faba bean S. Tigria Holeta Ho-7EG Faba bean E. Gonder Holeta
Ho-1WG Faba bean W. Gonder Holeta Ho-1035 Faba bean N. Gonder Holeta
JU3(3) Faba bean Mena Jimma Ho-2-1ST Faba bean S. Tigria Holeta
Ho-5EG Faba bean E. Gonder Holeta Ho-2-1WG Faba bean W. Gonder Holeta
Ho-2EG Faba bean E. Gonder Holeta
Ho-1EG Faba bean E. Gonder Holeta
JU1(4) Faba bean Mena Jimma

All pure cultures of rhizobium isolates were routinely maintained on yeast extract Mannitol (YEMA) agar plates [17] at 4°C and in YEM broth containing 20% (v/v) glycerol at – 80oc.