Deterioration in the chemical composition and nutritive value of forage crops by foliar diseases, 3: Chemical composition and nutritive value of forage crops [Italian ryegrass, corn, Johnson grass, Sudan grass] infected with Helminthosporium diseases

agentes nocivos anatomia anatomie anatomy cereales cereals champignon composition crops cultivos cultivos de grano diseases economic plants enfermedades fungosas facteur nuisible feed crops feed grasses feuille fungi glumiflorae grain crops gramineae gramineas graminee grasses helminthosporium hojas industrial crops injurious factors lawn grasses leaves lolium lolium multiflorum monocotyledons mycose mycoses nutritive value oil crops ornamental plants plant anatomy plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plantas ornamentales plante plante de culture plante industrielle plante ornementale plants sorghum sorghum arundinaceum sorghum halepense starch crops sugar crops valeur nutritive valor nutritivo zea mays