Bioactive extracts of Russula xerampelina and Suillus granulatus in the in vitro control of Pseudomonas aeruginosa phytopathogenic

•Ethanolic extracts of mushrooms were able to inhibit Pseudomonas aeruginosa growth.•Additive antibacterial is observed by the combination of the ethanolic extracts.•Cytotoxicity for 2.5 mg/mL of the R. xerampelina extract was observed on Vero cells.•Non-significant decreases in lettuce and tomato s...

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Bibliographic Details
Published in:South African journal of botany 2021-08, Vol.140, p.218-225
Main Authors: Volcão, Lisiane Martins, Fernandes, Caroline Lopes Feijó, Ribeiro, Anelise Christ, Brum, Rodrigo de Lima, Eslabão, Chaiane Fraga, Badiale-Furlong, Eliana, Ramos, Daniela Fernandes, Bernardi, Eduardo, da Silva Júnior, Flávio Manoel Rodrigues
Format: Article
Language:English
Subjects:
Allelopathy
antibacterial properties
genus
germination
high performance liquid chromatography
Lactuca sativa
lettuce
Mushrooms
phytotoxicity
plant pathogens
Pseudomonas aeruginosa
Russula
Seed germination
seeds
Solanum lycopersicum
Suillus granulatus
tomatoes
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Summary:•Ethanolic extracts of mushrooms were able to inhibit Pseudomonas aeruginosa growth.•Additive antibacterial is observed by the combination of the ethanolic extracts.•Cytotoxicity for 2.5 mg/mL of the R. xerampelina extract was observed on Vero cells.•Non-significant decreases in lettuce and tomato seeds germination were observed.•Allelopathic positive index of lettuce and tomato seeds exposed to extracts. New products, including natural extracts, have been evaluated for the control of phytopathogens. This study aimed to evaluate the antibacterial potential of ethanolic extracts from mushrooms, followed by an evaluation of allelopathic effects. Characterization of phenolic acids in Russula xerampelina (Schaeff.) Fr., Crab Brittlegill. and Suillus granulatus (L.) Roussel, Weeping Bolete extracts were evaluated by high-performance liquid chromatography, followed by assessment of their antibacterial potential, alone and combined, against Pseudomonas aeruginosa. The allelopathic effects of Lactuca sativa (lettuce) and Solanum lycopersicum (tomato) were measured in terms of germination and length parameters. The results demonstrated an additive profile of the combined extracts against P. aeruginosa. Both extracts caused a decrease in the percent germination of L. sativa and S. lycopersicum seeds at higher concentrations. Seeds were positively influenced when analyzing the allelopathic index. These results indicate the potential of these extracts for control of genus Pseudomonas phytopathogens, mainly because they do not cause phytotoxicity in terms of the evaluated parameters.
ISSN:0254-6299
DOI:10.1016/j.sajb.2021.03.043