(Outbreaks of pests and diseases in Cook Islands (N.Z.), Guyana, India and Tanzania)

ananas (fruits) blight champignon cook islands enfermedades de las plantas epidemia epidemics epidemie feuille fruits frutas fungi fusarium guyana helminthosporium heteroptera hojas hongos inde india infestation islas cook lagenaria leaves lepidoptera mais maize maladie des plantes marchitez new zealand nueva zelandia pests of plants pina pineapples plagas de plantas plant diseases podredumbres pourriture pseudococcidae ravageur des plantes riptortus rots soja soybeans tanzania theobroma cacao wilts