PJB-2014-158
RESPONSE OF RICE TO INOCULATION WITH PLANT GROWTH PROMOTING RHIZOBACTERIA IN CONTROL LAB ENVIRONMENT AND FIELD EXPERIMENT
MIDRARULLAH1,2,3*, BASHIR AHMED1 AND M. SAJJAD MIRZA2
Abstract
The present study was conducted to evaluate the effects of bacterial inoculation on different growth parameters of rice variety JP-5. Three bacterial strains (Azospirillum brasilense R1, Azospirillum lipoferum RSWT1 and Pseudomonas Ky1) were used to inoculate rice varietyJP-5 at control lab environment and field. Plant growth promotion was observed in all inoculated treatments over non-inoculated, which was evident from increase in root area, root length, number of tillers, straw and grain yields and total weight of plant. Azospirillum brasilense R1 was more effective in plant growth promotion than other strains and showed 19% increase in the straw weight and 39.5% increase in grain weight. Inoculation with Azospirillum lipoferum RSWT1 and Pseudomonas Ky1 increased grain weight by 18.5% and 13.8% respectively. The study revealed that beneficial strains of PGPR can be used as biofertilizer for rice.
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