The diversity of rhizospheric bacterial communities associated with Trichoderma-treated rice fields.

Lett Appl Microbiol

Centre for Research in Biotechnology for Agriculture (CEBAR), Universiti Malaya, Kuala Lumpur, Malaysia.

Published: December 2022

AI Article Synopsis

  • Microbial-based fertilizers are considered healthier alternatives to chemical fertilizers, but their impact on soil bacteria is still not well understood.
  • The study examined how the symbiotic fungus Trichoderma asperellum SL2 affects soil bacterial populations using advanced sequencing techniques.
  • Results showed no significant differences in bacterial profiles between plots treated with T. asperellum SL2 and control plots, suggesting that the fungus doesn’t negatively affect the bacterial community, but further research is needed on its long-term effects.

Article Abstract

Microbial-based fertilizer has been widely used as a healthier and better alternative to agrochemical products. However, the effects of biofertilizers on the rhizospheric microbiota has rarely been investigated. Thus, the aim of this study was to investigate the effects of symbiotic fungus Trichoderma asperellum SL2-based inoculant on the soil bacterial population through next generation sequencing using a metabarcoding approach. The treatment plots were treated with T. asperellum SL2 spore suspension, while the control plots were treated with sterilized distilled water. The results showed similar bacterial microbiome profiles in the soil of control and T. asperellum SL2-treated plots. In conclusion, the application of the T. asperellum SL2 inoculant had not exerted a negative impact towards the bacterial population as similar observation was reflected in control plots. Nonetheless, future research should be conducted to investigate the effects of repeated application of T. asperellum SL2 over a longer period on the rice microbiota communities.

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Source
http://dx.doi.org/10.1111/lam.13832DOI Listing

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