Virus prevalence and mixed infections in yellow passion fruit (Passiflora edulis f. flavicarpa) crops in Valle del Cauca, Colombia
Yellow passion fruit crop is affected by multiple phytosanitary problems. Among the main ones are viruses of the genera Potyvirus (soybean mosaic virus, SMV), Cucumovirus (cucumber mosaic virus, CMV), Tymovirus (tymovirus passiflorae, PYMV) and Begomovirus (passionfruit leaf distortion virus, PLDV). Information about the prevalence and interaction between these viruses is scarce. The objective of this study was to verify the prevalence and identify the types of mixed viral infections of potyvirus, cucumovirus, tymovirus, and begomovirus in passion fruit crops in Valle del Cauca, Colombia. Passion fruit leaf samples with symptoms were collected and their nucleic acids were purified. Virus identification was performed by PCR using universal primers by viral genus, and specific primers for the SMV, CMV, PFYMV and PLDV viruses. The incidence of each virus by municipality was analyzed and the severity of the symptoms was compared with the diagnosis made. In total, 66 samples were collected in the municipalities of Toro, Dagua, Roldanillo, Bolívar, La Unión and El Cerrito. It was established that the most prevalent viruses are PLDV followed by SMV and CMV. The presence of PYMV was not detected in the samples analyzed. The presence of double and triple infections among potyvirus, cucumovirus and begomovirus were identified for the first time, finding greater severity of symptoms with a greater number of viruses identified per sample. This research provides key results for the design of control strategies for viral diseases in passion fruit.
Main Authors: | Ceballos-Burgos, Francy Jhoana, Pérez-López, Jorge Iván, Nieto-Cardenas , Andres Felipe, Rivera-Toro, Diana Marcela, Ocampo, Jhon Albeiro, Lopez-Lopez, Karina, Vaca-Vaca, Juan Carlos |
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Format: | Digital revista |
Language: | eng |
Published: |
Universidad de Ciencias Aplicadas y Ambientales U.D.C.A
2024
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Online Access: | https://revistas.udca.edu.co/index.php/ruadc/article/view/2364 |
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