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Scientia fungorum
versão On-line ISSN 2594-1321
Resumo
CHAN-CUPUL, Wilberth; MANZO-SANCHEZ, Gilberto; BUENROSTRO-NAVA, Marco Tulio e SANCHEZ-RANGEL, Juan Carlos. In vitro antifungal activity of Ricinus communis and Cyperus rotundus on Colletotrichum gloeosporioides strains. Sci. fungorum [online]. 2023, vol.54, e1438. Epub 04-Fev-2025. ISSN 2594-1321. https://doi.org/10.33885/sf.2023.54.1438.
Background:
Colletotrichum gloeosporioides causes anthracnose in various agricultural crops.
Objective:
To evaluate the antifungal activity of Ricinus communis and Cyperus rotundus against WSFT and Tainung strains of C. gloeosporioides, comparing them with commercial products containing Bacillus subtilis (Serenade®) and Streptomyces spp. (Blite Free®).
Methods:
Inhibition percentages were determined through a dose-response bioassay with Serenade® and Blite Free® and the ethanolic extracts of R. communis and C. rotundus on the strains of C. gloeosporioides isolated from Carica papaya.
Results and conclusions:
R. communis induced higher mycelial inhibition (62.7 %) in the Tainung strain compared to Serenade® (54.2 %) and Blite Free® (0 %). The EC50 values obtained in the WSFT strain were similar between R. communis (0.80 %) and Serenade® (0.79 %). The antifungal activity of the plant extracts proved comparable to that of commercial products, suggesting their potential for controlling C. gloeosporioides.
Palavras-chave : Anthracnose; LD50; mycelial inhibition; phytopathogen; weeds.
