Protective effects of titanium dioxide nanoparticles in Jalapeño chili pepper (Capsicum annuum L.) in a viral single and mixed infection study model
Mónica Roció Sánchez Tovar, Ireri Alejandra Carvajal Valenzuela, Pablo Luis Godínez Mendoza, Rafael F. Rivera Bustamante, Diana L. Saavedra Trejo, Ramon Gerardo Guevara González, Irineo Torres Pacheco
Te invitamos a leer el artículo "Protective effects of titanium dioxide nanoparticles in Jalapeño chili pepper (Capsicum annuum L.) in a viral single and mixed infection study model" publicado en "Physiological and Molecular Plant Pathology" en el que colaboraron el Dr. Rafael F. Rivera Bustamante y Diana L. Saavedra Trejoo de Cinvestav Irapuato.
Autores:
Mónica Roció Sánchez Tovar, Ireri Alejandra Carvajal Valenzuela, Pablo Luis Godínez Mendoza, Rafael F. Rivera Bustamante, Diana L. Saavedra Trejo, Ramon Gerardo Guevara González, Irineo Torres Pacheco
Resumen:
Viral diseases are a problem in agriculture, influencing crop quality and yield. Mixed infections are interactions of two or more viruses that simultaneously infect a host, making it difficult to establish their etiology and management. Their eliciting and antiviral activity characterizes titanium dioxide nanoparticles (TiO2 NP). They have been used in treating viral diseases in various crops; there are no reports on their use against mixed infections. Chili peppers (Capsicum spp) are vegetables consumed worldwide, however, there are limitations in their production due to the presence of viruses, such as the pepper huasteco yellow vein virus (PHYVV) and the tobacco mosaic virus (TMV), which cause production losses of up to 100 %. Therefore, this research aimed to evaluate the effect of titanium dioxide nanoparticles in the management of single and mixed infections with the pepper huasteco yellow vein virus (PHYVV) and the tobacco mosaic virus (TMV) in jalapeño pepper plants. The application of TiO2 NP at 150u/mL in jalapeño pepper plants infected with the TMV and PHYVV viruses indicated biostimulant, eliciting and protective effects against simple PHYVV and TMV infections, due to the response in the activity of phenols, SOD, CAT, POD and the expression of the ERF1 gene. Regarding the symptomatology, it decreased against PHYVV and mild symptoms in TMV, finally, there was no protection of TiO2 against the mixed PHYVV TMV infection.