
Ghana’s first genetically modified crop: why we created a new cowpea variety, how we tested it and what we found
Cowpea (Vigna unguiculata) is an indigenous and staple crop in sub-Saharan Africa, but it has an enemy: an insect called the legume pod borer (Maruca vitrata). This pest can cause yield losses of more than 80%. The pod borer, originally from south-east …