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Abstract                 Volume:6  Issue-11  Year-2018          Original Research Articles


Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
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Review on Role of Phosphate Solubilizing Microorganisms in Sustainable Agriculture
Chala Dandessa1 and Ketema Bacha2
1Department of Biology, Jimma Teachers College, P.O. Box: 95, Ethiopia
2Department of Biology, Jimma University, P.O. Box: 378 Ethiopia
*Corresponding author
Abstract:

Most of soil microorganisms are known for their ability to solubilize insoluble phosphorous compounds for releasing soluble phosphate to make phosphorous available for plant absorption. Releasement of this soluble phosphorous is very important in increasing plant growth and plant product yields. Inoculating plant seeds with phosphate solubilizing microorganisms is very effective and environmentally useful to decrease the side effect of chemical fertilizers on soil microbes and other organisms. A large number of microbial organisms including bacteria, fungi, actinomycetes, and algae exhibit Phosphate solubilization and mineralization ability. Many soil bacteria have been recognized for their ability to solubilize insoluble phosphate. These strains of bacteria include: Pseudomonas spp., Agrobacterium spp., and Bacillus circulans. Other phosphorus solubilizing and mineralizing bacteria include various strains of Azotobacter, Bacillus, Burkholderia, Enterobacter, Erwinia, Kushneria, Paenibacillus, Ralstonia, Rhizobium, Rhodococcus, Serratia, Bradyrhizobium, Salmonella, Sinomonas and Thiobacillus. The strains of fungi with P solubilization ability are: Achrothcium, Alternaria, Arthrobotrys, Aspergillus, Cephalosporium, Cladosporium, Curvularia, Cunninghamella, Chaetomium, Fusarium, Glomus, Helminthosporium, Micromonospora, Mortierella, Myrothecium, Oidiodendron, Paecilomyces, Penicillium, Phoma, Pichia fermentans, Populospora, Pythium, Rhizoctonia, Rhizopus, Saccharomyces, Schizosaccharomyces, Schwanniomyces, Sclerotium, Torula, Trichoderma, and Yarrowia. Different species of fungi can solubilize rock phosphate, aluminum phosphate and tricalcium phosphate. For application of phosphate solubilizing Microorganisms to seeds, the seeds should be surface sterilized, rinsed with sterile water and dried. The surface disinfected seeds can be coated by soaking seeds in liquid culture medium of phosphate solubilizing fungi for 2 hr. While inoculation of the seed using plant and both Aspergillus niger + Penicillium notatum is recommended. Therefore, the application of phosphate solubilizing fungi is recommended as a sustainable way for increasing crop yield.

Keywords: Phosphate solubilizing Microorganisms Sustainable agriculture.
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How to cite this article:

Chala Dandessa and Ketema Bacha. 2018. Review on Role of Phosphate Solubilizing Microorganisms in Sustainable Agriculture.Int.J.Curr.Res.Aca.Rev. 6(11): 48-55
doi: https://doi.org/10.20546/ijcrar.2018.611.006