This research is aimed at sorting and selection of bacteria that are able to inhibit fungal leaf spot disease. The experiments can be isolated bacteria all 51 isolates when the bacteria were tested for their ability to inhibit the growth of fungi with Dual Culture Technique has found bacteria to fungi. The disease leaves only three isolates contain KS193, KS196 and KS229 after the bacteria have been identified by molecular genetics. By comparing the DNA sequences of 16s rRNA gene with the GenBank database, which found that antagonistic KS193 h will KS229 is Bacillus subtilis and antagonistic KS196 is Bacillus cereus bacteria antagonistic effective in inhibiting leaf spot, a potted plant. Bacillus subtilis is well
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