The effect of N-nitroso-N-ethylurea on mutagenesis of Cercospora beticola [parasitic fungus, sugar-beet]

agricultural chemicals agronomic characters anatomia anatomie anatomy antimicrobials antimicrobien bactericidas cercospora champignon crops cultivos developmental stages drugs economic plants esporas etapas de desarrollo etapas de desarrollo de la planta fongicide fungi fungicidas fungicides industrial crops medicamentos mutagens pesticide pesticides pigmentation plaguicidas plant anatomy plant developmental stages plantas plantas azucareras plantas industriales plante plante de culture plante industrielle plante racine plants produit agrochimique remolacha azucarera root crops spore spores sugar beet sugar crops