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Survival of Bacillus subtilis AF 1 in the bacterized peanut rhizosphere and its influence on native microflora and seedling growth



Survival of Bacillus subtilis AF 1 in the bacterized peanut rhizosphere and its influence on native microflora and seedling growth



World Journal of Microbiology and Biotechnology 10(6): 700-703



A mutant of Bacillus subtilis AF 1 (an antifungal strain with plant growth-promoting activity, resistant to 100 μg streptomycin/ml) was isolated from pigeon pea rhizosphere and, when used in peanut bacterization, decreased fungal and bacterial numbers and increased the actinomycete population in the rhizosphere. Over 28 days, AF 1 declined by 0.9 log c.f.u. in sterilized soil and by 2.6 log c.f.u. in native soil. From the seedlings raised with peanut seeds bacterized with AF 1 at 6.5 log c.f.u./seed, 4.1 and 4.7 log c.f.u. of AF 1 were recovered from the rhizosphere and total underground parts, respectively. Bacterization with AF 1 had no significant growth-promoting or -inhibiting effect on the peanut.

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Accession: 002973073

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PMID: 24421200

DOI: 10.1007/BF00327964


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