Barros-Ríos J, Malvar RA, Santiago R

Idioma: Español
Referencias bibliográficas: 23
Paginas: 132-142
Archivo PDF: 755.42 Kb.

RESUMEN

El cultivo del maíz (Zea mays L.) figura como uno de los más importantes del mundo y la plaga del taladro (Ostrinia nubilalis Hüb. y Sesamia nonagrioides Lef.) es el factor biótico que mayores pérdidas provoca en su producción. El mejoramiento genético convencional es una alternativa efectiva y ampliamente utilizada para controlar los daños ocasionados por esta plaga. Desarrollar programas de mejoramiento genético eficaces requiere caracterizar y entender las causas de la resistencia. Dentro de los diversos mecanismos de defensa constitutivos del maíz, la estructura y composición de la pared celular han tenido un creciente interés científico en los últimos años. Hay evidencias de que las uniones entre polímeros de la pared mediante enlaces por puentes diferúlicos ejercen un papel determinante en la resistencia del maíz a la plaga del taladro. El presente trabajo revisa el conocimiento actual acerca de la estructura y composición de la pared celular del maíz como mecanismo de defensa frente a la plaga del taladro.

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