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Phosphorus-solubilizing Trichoderma spp. from Amazon soils improve soybean plant growth

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Bononi, Laura, Chiaramonte, Josiane Barros, Pansa, Camila Cristiane, Moitinho, Marta Alves, Melo, Itamar Soares·2020·Scientific Reports

Abstract

Acidic soils rapidly retain applied phosphorus fertilizers and consequently present low availability of this nutrient to plants. The use of phosphate-solubilizing microorganisms to help plant phosphorus (P) absorption is a promising sustainable strategy for managing P deficiencies in agricultural soils. Trichoderma strains have been one of the most studied filamentous fungi for improving the production and development of several crop species mainly due to their capability for symbiotic associations and their ability to control soil-borne plant diseases. Thus, this work sought to bioprospect Trichoderma strains from the Amazon rainforest capable of solubilizing/mineralizing soil phosphate and promoting soybean growth. Soybean plants inoculated with selected Trichoderma strains were cultivated in soil under greenhouse conditions and under a gradient of rock phosphate and triple superphosphate. As a result, 19.5% of the isolated Trichoderma strains were able to solubilize phosphate. In addition, those strains produced different organic acids during the solubilization process. Trichoderma spp. strains showed positive responses in the promotion of soybean growth—from 2.1% to 41.1%—as well as in the efficiency of P uptake-up to 141%. These results reveal the potential of Trichoderma spp. from the Amazon biome as promising biofertilizer agents.

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Metadata

Authors
Bononi, L., Chiaramonte, J. B., Pansa, C. C., Moitinho, M. A., & Melo, I. S.
Venue
Scientific Reports
Published
2020-02-18
Volume
10
Issue
1
Pages
2858-2858
ISSN
2045-2322 (ISSN-L)
OpenAlex
W3007453990
Cited by
265
References
60
FWCI
19.23
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Phosphorus-solubilizing Trichoderma spp. from Amazon soils improve soybean plant growth. https://app.cochat.ai/papers/10.1038/s41598-020-59793-8
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Bononi, L., Chiaramonte, J. B., Pansa, C. C., Moitinho, M. A., & Melo, I. S. (2020). Phosphorus-solubilizing Trichoderma spp. from Amazon soils improve soybean plant growth. Scientific Reports. https://doi.org/10.1038/s41598-020-59793-8

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