Phosphate Solubilizing Bacteria Adaptive to Vinasse

Authors

  • Kahar Muzakhar Biology Dept., Faculty of Mathematic and Natural Sciences, The University of Jember, Jl. Kalimantan 37, Jember 68121
  • Sutoyo Sutoyo Biology Dept., Faculty of Mathematic and Natural Sciences, The University of Jember, Jl. Kalimantan 37, Jember 68121
  • Ahmad Bukhari Saragih Biology Dept., Faculty of Mathematic and Natural Sciences, The University of Jember, Jl. Kalimantan 37, Jember 68121

DOI:

https://doi.org/10.5614/j.math.fund.sci.2015.47.2.8

Keywords:

bacillus, biofertilizer, Gram negative, PSB, vinasse.

Abstract

Microorganisms identified as phosphate solubilizing bacteria (PSB) adaptive to vinasse were successfully screened from sugarcane soil from an agriculatural estate in Jatiroto. By conducting a screening on Pikovskaya's agar medium (PAM), we found that five different isolates were detected as PSB (pvk-5a, pvk-5b, pvk-6b, pvk-7a, and pvk-8a). Of the five isolates only three could be grown and were found to be adaptive to vinasse based medium without any nutrients added (pvk-5a, pvk-5b and pvk-7a). The three isolates were characterized as coccus and Gram negative with no endospores detected. We suggest that these three isolates can be used as biofertilizer agent to support organic farming.

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Published

2015-06-01

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