No. 147515 July 2011 Surmounting a changing climate CCAFS maps out climate change policy direction for Ghana and Mali CCAFS national policy workshop on comprehensive climate…
Slide 1 1. Diseases Slide 2 Mostly caused by fungi and viruses. Infection may come from: 1.Soil (soil borne) 2.Seed (seed borne) 3.Residue of previous crop. 4.Green…