Soybean hybrid seeds taken
up from the Oil Seed Section in Ayub Agriculture
Research Institute, Faisalabad, were treated with 1 % gum
arabic suspension of P. fluorescens strains S-22 (6 x 107
cfu ml-1), S-19 (3.5 x 107 cfu ml-1) S-26 (3.7 x 107 cfu ml-
1) and S-17 (1 x 107 cfu ml-1). Eight seeds were sown in
15 cm diameter earthen pots, each containing 1.25 kg
naturally infested soil taken from the research area of the
Department of Plant Pathology, University of Agriculture,
Faisalabad. The treatments were as follows