Atividade fungitóxica de Momordica charantia L. no controle de Sclerotium rolfsii Sacc

Faria, Flaviana Andrade; Bueno, César Júnior; Papa, Marli de Fátima Stradioto

doi:10.4025/actasciagron.v31i3.364

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…Domingues et al [21] demonstrated that hexane extracts of Rutagra veolens, Allamanda ridentat, and Impatiens walleriana inhibited 100% mycelial growth of S. rolfisii. Faria et al [22] observed that both the aqueous extract and the hydroethanolic extract of Momordica charantia had fungitoxic potential against S. rolfsii. According to Ramírez-Chávez et al [23], the extract of Heliopsis longipes exhibited fungicidal activity against S. rolfsii at a concentration of 25 µg•mL −1 .…”

Section: Resultsmentioning

confidence: 99%

Antifungal Activity of Oleoresin and Fractions of Pinus elliottii Engelm and Pinus tropicalis against Phytopathogens

Andrade¹,

Abrão²,

Silva³

et al. 2014

AJPS

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Microorganism resistance to the existing products is yet another difficulty that agriculturalists have to deal with. In this context, the search for new agricultural products that can fight phytopathogens has become increasingly important. Plants have played an important role in this process, because they can serve as a source of new compounds for drug discovery. Plants belonging to the genus Pinus produce an oleoresin that protects the plant against herbivores and pathogens. With a view to developing products that can combat fungal pathogens without harming the environment, this work aimed to evaluate the antifungal activity of the oleoresins and fractions of Pinus elliottii Engelm and Pinus tropicalis against phytopathogens. The methodology based on NCCLS M38-A standards aided antifungal activity assessment. The microdilution method helped to determine the Minimum Inhibitory Concentration (MIC) and Minimum Fungicidal Concentration (MFC). The oleoresins of P. elliottii and P. tropicalis afforded the most significant results-they displayed fungicidal activity against all the tested species. MIC values were promising, especially the MIC of the oleoresin of P. elliottii against S. rolfsii (1.95 µg•mL −1 ). The MIC values of the oleoresins of P. elliottii and P. tropicalis ranged from 1.95 to 1000 µg•mL −1 and from 31.25 to 250 μg•mL −1 , respectively. Fraction PT2 of P. tropicalis furnished the best results among all the assayed fractions: MIC values lay between 125 and 500 µg•mL −1 . In conclusion, the oleoresin of P. tropicalis is a promising source of new antifungal agents for application in the treatment of phytopathogenic infections.

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Section: Resultsmentioning

confidence: 99%