Use of Pseudomonas aeruginosa for the control of root rot disease and root knot nematode

摘要

Pseudomonas aeruginosa, a plant growth-promoting rhizobacterium, caused significant mortality and reduced egg hatching activity of Meloidogyne javanica, the root knot nematode in vitro. In dual culture plate assay, P.aeruginosa inhibited radial growth of soilborne root infecting fungi like Macrophomina phaseolina, Fusarium spp. and Rhizoctonia solani, as was observed as zones of inhibition. Seed dressing or soil drench with different strains of Pseudomonas aeruginosa significantly suppressed root rot and root knot nematode complex in mungbean and ruidbean which were leguminous plants and tomato which was not. Seed dressing or soil drench with P.aeruginosa also enhanced plant growth under greenhouse and field conditions.