Thesiss

Tilletia fusca (T. bromi) is a species complex comprised of several intergrading taxa infecting wild grass hosts, and is closely related to the wheat bunt species T. controversa, T. tritici and T. laevis. Three varieties were recognized within the complex based on host specifici…

The genus Striga is composed of about 50 species, all obligate parasites of tropical cereals and legumes. The genetic structure of S. asiatica of Benin and S. gesnerioides (SG) were analyzed using AFLP. In the former, the mean within population genetic distances ranged from 0.02…