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Title: Antagonism of Trichoderma on the control of Fusarium spp. on Phaseolus lunatus L
Authors: Barreto, G
Santos, A
Porcino, M
Materatski, Patrick
Varanda, Carla
Felix, Maria
Nascimento, Luciana
Issue Date: 2021
Publisher: Acta Brasiliensis
Citation: Barreto, G.G.; Santos, A.C.S,; Porcino, M.M.; Materatski, P.; Varanda, C.; Félix, M.D.R.; Nascimento, L.C.D. (2021). Antagonism of Trichoderma on the control of Fusarium spp. on Phaseolus lunatus L. Acta Brasiliensis, 5, 2: 57.
Abstract: Biological control strategies have become an important tool in the sustainable management of plant diseases. This paper aims to report the Fusarium species that affect fava beans (Phaseolus lunatus L.) grown in Para ba, Brazil, and determines the potential of Trichoderma isolates to control these fungi. Two Trichoderma and ten Fusarium isolates from fava bean seeds were selected. The beans were obtained from cultivated areas in the municipalities of Rem gio, Alagoa Grande and Campina Grande, in Para ba state. Phylogenetic analyzes based on DNA sequences of the translation elongation factor 1-α (TEF1) gene resolved the Fusarium isolates into four species belonging to the F. fujikuroi and F. incarnatum-equiseti species complexes. In vitro tests showed that the two isolates of Trichoderma tested presented antagonistic potential against the pathogens from the fava beans evaluated. In the direct comparison test, the growth of the pathogens was reduced from the seventh day in both treatments. Sporulation also showed a reduction, but only for 40% of Fusarium isolates. This work demonstrates that Trichoderma isolates can be used as a sustainable alternative to manage Fusarium spp. infection of fava beans.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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