PJB-1997-28
GROWTH PROMOTION OF TWO WHEAT CULTIVARS BY PLANT GROWTH-PROMOTING RHIZOBACTERIA
MUHAMMAD JAVED AND MUHAMMAD ARSHAD
Abstract
Based upon their ability to produce auxins (indole-3-acetic-acid equivalents), 11 isolates of rhizobacteria were selected to evaluate their growth promoting activity. Seeds of 2 wheat cvs. Inqlab and LU 26S inoculated with these isolates were sown in the field under optimum fertilization (NPK @ 150-75-50 kg ha-1). Inoculation with rhizobacteria showed an increase in grain yields of cv. Inqlab and LU 26S by upto 15.3% and 18.5%, respectively, as compared to uninoculated control. Inoculation with rhizobacteria also significantly increased the number of tillers, straw weight and lOoo-grain weight in both cultivars. Plant height was increased only in case of wheat cv. LU 26S.
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