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Libros y Manuales de Agronomia

Libros de Agronomia gratis: Reconocimiento de las principales enfermedades en hortalizas

Mosaico del Tomate

Resultado de imagen para Mosaico del Tomate

Patógeno:

Virus Cucumovirus spp. Virus del Mosaico del Pepino (CMV) etc.

Síntomas:

Se observan manchas de mosaico en la hoja.

La hoja enferma está encrespada.

También se observan síntomas de manchas en la fruta.

Condición:

Se transmite por medio de áfidos o pulgones.

Otra vía de transmisión es por los restos de cosecha. Raramente se transmite por contacto entre plantas afectadas.

**No hay información de que se transmita por medio de tierra o por semilla.

Prevención:

Utilizar mulch plástico de color plateado como repelente para manejar la entrada de pulgones.

Establecer maíz como barreras vivas para manejar la entrada de pulgones. Eliminar plantas afectadas.

Realizar rotación de cultivos para romper el ciclo de la enfermedad.

El manejo debe estar dirigido al vector (pulgones), utilizar trampas amarillas y limpiar los alrededores del cultivo.

Patógeno:

Virus Begomovirus o Geminivirus TYLCV: Virus del rizado amarillo del tomate.

Virus del rizado amarillo del tomate

Resultado de imagen para Virus del rizado amarillo del tomate

Síntomas:

La planta presenta amarillamiento y encarrugamiento o rizado de las hojas. Otro síntoma visible es enanismo en plantas afectadas.

Condición:

Se transmite por mosca blanca Bemisia tabaci. Raramente se transmite por contacto entre plantas afectadas.

**No hay información de que se transmita por tierra y semilla.

Prevención:

Utilizar mulch plástico de color plateado como repelente para manejar la entrada de mosca blanca.

Establecer maíz como barreras vivas para manejar la entrada de mosca blanca.

Eliminar plantas afectadas, hospederos alternos del virus como: malezas, plantas voluntarias.

Realizar rotación de cultivos.

El manejo debe estar dirigido al vector, utilizar trampas amarillas.

Utilizar variedades tolerantes a virosis.

Te puede interesar  Manual de Manejo y control de MOSCA DE LA FRUTA. libros gratis de agronomia pdf

Realizar manejo en los alrededores del cultivo

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