Author(s):

Soumya D Rotti and MR Ravikumar

Abstract: In recent years, there has been a reverse interest in the search of plant growth promoting rhizobacterias (PGPRs) for sustainable crop production. Banana is an economically important tropical fruit crop, which is subjected to infection by fungai, bacteria, virus and nematodes. A total of 134 PGPRs were isolated from rhizosphere of banana. Twelve out of 64 isolates of Bacillus spp. and seven out of 70 isolates of Pseudomonas spp. were found to effective against the Erwinia carotovora subsp. carotovora in vitro. Among them most effective isolate of PGPRs were further subjected for molecular characterization. The molecular studies confirmed them to be as Bacillus pumilis, Bacillus subtilis, Bacillus cereus, Pseudomonas aeruginosa and Pseudomonas putida.

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