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NAAS Journal
International Journal of Biology Sciences

Vol. 7, Issue 1, Part C (2025)

Evaluating PGPR Rhizobium strains on enhancing the productivity of Mungbean

Author(s):

R Uma Sankareswari, T Sivasankari Devi and J Prabhaharan

Abstract:

The study sought to assess the impact of inoculation by several Rhizobium strains on field-grown urdbean (Blackgram). Rhizobia, which promotes the growth of legume plants at National Pulse Research Centre, Vamban, Pudhukottai. The bacteria that live in the soil and generate the root nodules where symbiotic biological nitrogen fixing occurs are called rhizobia. Seven Rhizobium cultures viz., LSMR 32 (Ludhiana), KGR 19-6 (Kalaburagi), KGR 19-13 (Kalaburagi), AKMR 12-01 (Akola), AKMR 19 (Akola), VMC (Vamban), VMF (Vamban Ch.), obtained from various AICRP centres were used for seed treatment of mungbean seeds. Observations on plant growth parameters were recorded at 45th days after sowing to assess the effect of Rhizobium strains viz., number of nodules/plants, root length, shoot length and yield parameters were recorded during harvest. Among the different Rhizobium strains, highest number of nodules and nodule dry weight was registered by VMF (Vamban) (56 nodules/plant & 0.069 g/plant respectively) followed by VMC which recorded 47 nodules/plant. Control recorded the least number of 18 nodules / plant. The results revealed that, of the seven different mungbean Rhizobium strains, the highest yield of 1038.6 kg/ha was recorded by VMF followed by VMC as 916 kg/ha. Uninoculated control recorded the least yield of 706 kg/ha.

Pages: 161-163  |  63 Views  22 Downloads


International Journal of Biology Sciences
How to cite this article:
R Uma Sankareswari, T Sivasankari Devi and J Prabhaharan. Evaluating PGPR Rhizobium strains on enhancing the productivity of Mungbean. Int. J. Biol. Sci. 2025;7(1):161-163. DOI: 10.33545/26649926.2025.v7.i1c.284
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