BIO-FORMULATIONS FOR PLANT GROWTH-PROMOTING STREPTOMYCES SP.

    Srinivas, V and Pratyusha, S and Gopalakrishnan, S (2023) BIO-FORMULATIONS FOR PLANT GROWTH-PROMOTING STREPTOMYCES SP. Andhra Pradesh Journal of Agricultural Sciences, 9 (4). pp. 279-285. ISSN 2454-3772

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    Abstract

    A total of 19 strains of Streptomyces sp. viz., CAI-13, CAI-17, CAI-21, CAI-24, CAI-26, CAI-68, CAI-78, CAI-85, CAI93, CAI-121, CAI-127, CAI-140, CAI-155, KAI-26, KAI-27, KAI-32, KAI-90, KAI-180 and MMA-32 were earlier reported by us as plant growth-promoters in chickpea, pigeonpea, sorghum, rice, pearl millet, tomato and chili. In the present investigation, the 19 strains of Streptomyces sp. were evaluated for development of a long term, eco-friendly and inexpensive formulation using different carrier materials such as peat, lignite, talc and talc + starch. Streptomyces strains were individually grown and inoculated into the four selected carrier materials and stored in the refrigerator at 4oC. Samples were collected at the end of every month and tested for their viability and shelf life by plate count method for 12 months. All the 19 Streptomyces strains were viable and grown in all the tested carrier materials, however, peat inoculants showed greater viability and maintained stable colony forming units when compared talc, lignite, and talc + starch inoculants. It is concluded that peat formulation is best suited for mass multiplying the selected 19 Streptomyces strains..

    Item Type: Article
    Divisions: Global Research Program - Accelerated Crop Improvement
    CRP: CGIAR Research Program on Grain Legumes and Dryland Cereals (GLDC)
    Uncontrolled Keywords: Plant Growth Promoting (PGP) microbes, bio-formulations, Streptomyces sp.
    Subjects: Others > Plant Growth
    Depositing User: Mr Nagaraju T
    Date Deposited: 20 Feb 2024 11:10
    Last Modified: 20 Feb 2024 11:10
    URI: http://oar.icrisat.org/id/eprint/12494
    Official URL: https://sasapjas.org/wp-content/uploads/2024/02/01...
    Projects: UNSPECIFIED
    Funders: UNSPECIFIED
    Acknowledgement: This work has been undertaken as part of the CGIAR Research Program on Grain Legumes Dry Land Cereals.
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