title: Comparison of plant growth-promotion with Pseudomonas aeruginosa and Bacillus subtilis in three vegetables.
abstract: Our objective was to compare some plant growth promoting rhizobacteria (PGPR) properties of Bacillus subtilis and Pseudomonas aeruginosa as representatives of their two genera. Solanum lycopersicum L. (tomato), Abelmoschus esculentus (okra), and Amaranthus sp. (African spinach) were inoculated with the bacterial cultures. At 60 days after planting, dry biomass for plants treated with B. subtilis and P. aeruginosa increased 31% for tomato, 36% and 29% for okra, and 83% and 40% for African spinach respectively over the non-bacterized control. Considering all the parameters tested, there were similarities but no significant difference at P < 0.05 between the overall performances of the two organisms.
authors.affiliation: Department of Microbiology, Adekunle Ajasin University , P. M. B. 001, Akungba-Akoko, Ondo State , Nigeria ; Current Address: Department of Entomology & Plant Pathology, 209 Life Sciences Building , Auburn University, Auburn, Alabama , USA.
authors.forename: A O
authors.initials: AO
authors.lastname: Adesemoye
authors.forename: M
authors.initials: M
authors.lastname: Obini
authors.forename: E O
authors.initials: EO
authors.lastname: Ugoji
keywords: Bacillus subtilis; PGPR; Pseudomonas aeruginosa; growth promotion
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