Researchers in Zambia confirm the arrival of this devastating fungal disease to the African continent.
Wheat blast is one of the most fearsome and intractable wheat diseases in recent decades. It spreads through infected seeds, crop residues as well as by spores that can travel long distances in the air, posing a major threat to wheat production in tropical areas.
Experts reflect on the successful efforts to limit the spread of maize lethal necrosis across eastern and southern Africa.
Scientists unlock evolutionary secrets of landraces through a study of allelic diversity, revealing more about the genetic basis of flowering time and how maize adapts to variable environments.