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Effects of Root Nodules Rhizobia on Growth of Vigna unguiculata subsp. sesquipedalie (L.) Verdc.
- The effect of rhizobial strains on Vigna ungiuculata subsp. sesequipedalis (L.) Verdc. have been performed. Four rhizobia strains, MYM-1 from V. trilobata (L.) Verdc., MYM-2 from V. unguiculata subsp. sesquipedalis (L.) Verdc., MYM-3 from Crotalaria pallida Ait. and MYM-4 from Clitoria ternatea L., were isolated respectively. The host specificity test on V. unguiculata subsp. sesquipedalis (L.) Verdc. was carried out in the growth chamber for one month. Among the four strains, MYM-2 was found to be most effective in the nodule formation. In pot culture experiment, the germinated seeds of V. unguiculata subsp. sesquipedalis (L.) Verdc. inoculated with four isolated rhizobia strains were grown from the months of August to October in 2012. In this experiment also, Bradyrhizobium strain, MYM-2 showed the most highly significant effects on the fresh and dry weight of plant, nodules and pods and the pod length.
Soe Myint Aye
Phyu Phyu Oo
Mu Yar Min