Inoculation of mung beans with Bradyrhizobium strains in the municipality of Paty do Alferes – RJ
Vigna radiata (L.) Wilczek, Bradyrhizobium, Biological Nitrogen Fixation, Plant Growth-Promoting Bacteria.
Mung bean (Vigna radiata (L.) Wilczek), a crop originated in Asia, are part of the diet of tropical and subtropical countries. As it possesses a short cycle and diverse nutritional qualities, it may represent a valuable resource for expanding the legume route to Brazil. The objective of the present study will be to select efficient Bradyrhizobium strains for inoculating mung beans in order to increase grain productivity. The strains BR3302 (SEMIA 6461) and BR 96 (SEMIA 587) isolated from cowpea (V. unguiculata (L.) Walp) and soybean (Glycine max (L.), respectively, are registered in MAPA. In addition to these, BR14494 and BR 14472 strains isolated from mung bean and previously tested in pots filled with soil will also be evaluated. A control,without inoculation, and a consortium formed by strains BR 96 and BR 3302 will also be added. The experiment will be carried out for two consecutive years at the Experimental Station of Avelar from the State Center for Research in Organic Agriculture of PESAGRO-RIO, located in the municipality of Paty do Alferes – RJ. The experiment will be conducted in a randomized block design (DBC) composed of the six treatments described above and six replications. The variables analyzed will be the number and dry mass of nodules, accumulated dry and fresh masses of shoots and roots before flowering, and the production parameters, number of pods and grains per pod, dry and fresh masses of pods and grains, grain fresh mass at 12% humidity, and fresh mass of 100 grains. The results will be published in a Research Bulletin from Embrapa.