One of the most ambitious programmes to provide lasting improvements in nutrition in sub-Saharan Africa begins today when a diverse multinational team of experts from agriculture to ethics start looking for ways to end dietary deficiencies in essential micronutrients.
Not luck of the draw exactly but it was a random mutation in a convenient host that led to the discovery of a gene responsible for fungal disease that wrecks up to one fifth of the world’s cereal production, or hundreds of millions of tonnes of crops.
Near identical genes are also present in the fungi that cause vegetables to rot, trees to die and people to scratch, itch or struggle to breathe.
UK crop researchers could boost yields of a vitally important global food crop by going back to its wild relatives to find new sources of disease resistance.
Cassava (Manihot esculenta) is an important staple for over 500 million people worldwide, grown for food and known in its dried form as tapioca, as animal feed and as a fuel source. The crop’s importance is set to grow with changing climates, but so too will threats from a number of pests and diseases which can devastate yield.
Combining methods of disease control rather than relying on a single resistance strategy can extend the durability of crops by many years, confirms computer modelling that draws on classical population genetics theory.