The research described in this thesis focused on the characterization of some of the factors that influence disease assessment, development and expression of resistance in wheat cultivars to septoria tritici blotch. ...

The upsurge o f b a rle y s c a ld has been o f much con cern to barley g row ers, breed ers and p a th o lo g is ts in Kenya. Y ield lo s s e s due to s c a ld average 30% though lo s s e s upto 52% have been r e co r ...