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Acta universitaria
versión On-line ISSN 2007-9621versión impresa ISSN 0188-6266
Resumen
PEREZ-RODRIGUEZ, Luis Roberto et al. In vitro sensitivity of phytopatological fungi causing diseases in strawberry agents to biological control and fungicides, in the state of Guanajuato, Mexico. Acta univ [online]. 2019, vol.29, e2339. Epub 11-Sep-2020. ISSN 2007-9621. https://doi.org/10.15174/au.2019.2339.
The in vitro response of one isolate of the fungi Alternaria sp., Fusarium sp., Rhizoctonia solani, to 16 biological control agents (BA), eight fungicides, and one control were evaluated. A completely randomized experimental design was used, with a factorial arrangement correction for each pathogen. Factor A corresponded to fungi isolates and Factor B to control agents. The comparison of means was carried out using a Tukey test (p < 0.05), the mycelial radial growth rate (Mrgr) was evaluated every 24 hours for 11 days. No effect was found in any case, alone or in interactions with control agents. Dicloran, Tebuconazole and Cyprodinil-Fludioxonil inhibited the mycelial growth of all fungi with a final average of 1.0 Mrgr, and in greater proportion than the BA. The BA that propitiated the least mycelial growth towards isolates were Trichoderma sp., Trichoderma harzianum, Microorganismos y Trichoderma viridae.
Palabras llave : Strawberry; fungal diseases; biofungicides; chemical control.