Scientists are concerned over the proliferation of highly virulent fungal wheat diseases, including two new races of yellow rust – one in Europe and North Africa and the other taking hold in East
Native to North and South America, armyworm, a kind of caterpillar that burrows deep into corncobs and more than 100 other kinds of plants, was detected on the African continent last year.
South Africa's agriculture ministry is registering pesticides for use against the fall armyworm in the event that tests confirm the presence of the Central American pest in the country's maize belt