Witches broom and phyllody in some plants in Khartoum Province, Sudan.

aetiology agallas crotalaria disease transmission enfermedades de las plantas epidemia epidemics epidemie especies etiologia etiologie filodia galle haricot commun hosts kidney beans maladie des plantes malezas mauvaise herbe phyllodie phyllody plant diseases plant galls sida species transmission des maladies weeds