PJB-2008-192
INTEGRATED USE OF PLANT GROWTH PROMOTING BACTERIA AND P-ENRICHED COMPOST FOR IMPROVING GROWTH, YIELD AND NODULATION OF CHICKPEA
S.M. SHAHZAD, A. KHALID , M. ARSHAD, M. KHALID AND I. MEHBOOB
Abstract
The plant growth promoting bacteria (PGPB) may improve growth and nodulation of leguminous crops through their ACC-deaminase activity. Their plant growth promoting activity can further be improved by adding recycled organic material which could act as a carrier to enhance microbial activities under field conditions. Three bacterial strains with ACC-deaminase were evaluated for their potentials to improve growth, yield and nodulation of chickpea (Cicer arientum L.) in the presence and absence of composted organic material enriched with P, both under pot and field conditions. The integrated use of PGPB and P-enriched compost resulted in a highly significant increase in fresh biomass (84%), number of pods plant-1 (97%), grain yield (79%) and number of nodules plant-1 (87%) compared to uninoculated control (without compost). The findings imply that inoculation with PGPB containing ACC-deaminase in the presence of P-enriched compost could be highly effective in improving growth, yield and nodulation of chickpea than sole application of either PGPB or P-enriched compost.
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