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Biological Control of Fungal Diseases by Trichoderma aggressivum f. europaeum and its Compatibility with Fungicides

Summary

This research demonstrates how a naturally occurring fungus, Trichoderma aggressivum f. europaeum, can be used to control harmful plant diseases in agriculture. The study shows this beneficial fungus can effectively protect crops without relying solely on chemical pesticides. Impacts on everyday life: • Potential for safer food production with fewer chemical pesticide residues • More environmentally friendly farming practices • Lower production costs for farmers through reduced pesticide use • Better crop protection options for organic farming • Contributes to more sustainable agricultural practices

Background

In recent decades, there has been increased interest in using plant growth-promoting microbes and biological control agents to reduce synthetic pesticide use in agriculture. Trichoderma species are considered the gold standard for biological control against plant pathogens, but little research has been done specifically on T. aggressivum f. europaeum’s potential as a biocontrol agent.

Objective

To evaluate the ability of Trichoderma aggressivum f. europaeum as a biological control agent against fungal plant pathogens and assess its compatibility with common fungicides. The study aimed to isolate and select T. aggressivum strains, determine their in vitro antagonistic activity against various plant pathogens, assess disease control capacity in greenhouse conditions, and evaluate compatibility with fungicides.

Results

The isolates showed high antagonistic activity against most tested pathogens, with inhibition rates over 80% except for P. aphanidermatum (65%). The selected isolate TAET1 showed 100% inhibition of B. cinerea, S. sclerotiorum, and M. melonis in detached leaf assays. Disease incidence reduction in greenhouse trials ranged from 22% for F. solani to 80% for M. melonis. The isolate showed good compatibility with several common fungicides.

Conclusion

T. aggressivum f. europaeum TAET1 demonstrates significant potential as a biological control agent against various fungal plant pathogens. Its high compatibility with fungicides makes it suitable for integrated pest management strategies. The researchers recommend further studies in commercial greenhouse settings for potential commercial development.
  • Published in:Journal of Fungi,
  • Study Type:Laboratory and Greenhouse Trial,
  • Source: 10.3390/jof7080598
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