This study evaluated the bioherbicidal potential of wild fungi grown on microalgal biomass from the digestate treatment of biogas production. Four fungal isolates were used and the extracts were evaluated for the activity of different enzymes and characterized by gas chromatography coupled with mass spectrometry. The bioherbicidal activity was assessed by application on Cucumis sativus, and the leaf damage was visually estimated. The microorganisms showed potential as agents producing an enzyme pool. The obtained fungal extracts presented different organic compounds, most acids, and when applied to Cucumis sativus, showed high levels of leaf damage (80-100 +/- 3.00%, deviation relative to the observed average damage). Therefore, the microbial strains are potential biological control agents of weeds, which, together with the microalgae biomass, offer the appropriate conditions to obtain an enzyme pool of biotechnological relevance and with favorable characteristics to be explored as bioherbicides, addressing aspects within the environmental sustainability.[GRAPHICS]

The bioherbicidal potential of isolated fungi cultivated in microalgal biomass

Lerin, Lindomar;
2023

Abstract

This study evaluated the bioherbicidal potential of wild fungi grown on microalgal biomass from the digestate treatment of biogas production. Four fungal isolates were used and the extracts were evaluated for the activity of different enzymes and characterized by gas chromatography coupled with mass spectrometry. The bioherbicidal activity was assessed by application on Cucumis sativus, and the leaf damage was visually estimated. The microorganisms showed potential as agents producing an enzyme pool. The obtained fungal extracts presented different organic compounds, most acids, and when applied to Cucumis sativus, showed high levels of leaf damage (80-100 +/- 3.00%, deviation relative to the observed average damage). Therefore, the microbial strains are potential biological control agents of weeds, which, together with the microalgae biomass, offer the appropriate conditions to obtain an enzyme pool of biotechnological relevance and with favorable characteristics to be explored as bioherbicides, addressing aspects within the environmental sustainability.[GRAPHICS]
2023
Camargo, Aline Frumi; Dalastra, Caroline; Ulrich, Alessandro; Scapini, Thamarys; Bonatto, Charline; Klanovicz, Natalia; Michelon, William; Lerin, Lindomar; Júnior, Sérgio Luiz Alves; Mossi, Altemir José; Tramontin, Marco A; Bernardi, Oderlei; Paudel, Shukra Raj; Fongaro, Gislaine; Treichel, Helen
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2509491
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