Abstract

Sonam Paliya¹, A.N. Tikle^1* and Tessy Thomas²

DOI : http://dx.doi.org/10.13005/ojc/300245

The  present  investigation  was  conducted  to  observe  the  effect  of various  concentrations  (0.1 to 1.5 gm/100ml)  of  micronutrients  (Zn, Mn, B, Cu, Mo, Fe)  with  yeast  extract  mannitol  media  on  agriculturally  important Rhizobium  species  isolated  from  root  nodules  of  Cajanus  cajan  and  to determine  the  effect  of  multi-micronutrient  yeast  extract  mannitol  media prepared  of  maximum  growth  concentrations  of  micronutrients  on  rhizobial  growth.  Concentrations  of  Zn  (0.1%),  Mn(0.3%),  B(0.1%),  and  Mo(0.1%)  with yeast  extract  mannitol  media  composition  represented  increased  number  of CFU  against  control.  The  growth  of  Rhizobium  in  multimicronutrient  yeast extract  mannitol  media  decreased  by  25%  compared  to  control.

Cajanus cajan; Rhizobium; Micronutrients; Yeast extract mannitol media; Root nodules

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