The number of spores released from a leaf blast lesion on rice cultivars differing in field resistance to blast disease

aetiology agentes nocivos anatomia anatomie anatomy arroz cereales cereals crops cultivar cultivars cultivos cultivos de grano developmental stages disease resistance diseases economic plants enfermedades fungosas esporas etapas de desarrollo etapas de desarrollo de la planta etiologia etiologie facteur nuisible feuille grain crops hojas injurious factors leaves mycose mycoses pathogens plant anatomy plant developmental stages plantas plante plante de culture plants resistance to injurious factors resistencia a la enfermedad rice riz spore spores