This book presents a comprehensive research work on occurrence of seed-borne cowpea viruses in Uganda, the first of its kind in the country. It provides protocol in a simplified language for the use of mordern technologies (ELISA and PCR) for diagnosis of diseases in plants and detection of pathogens causing them. This is more applicable to viruses that can hardly be detected or distinguished by simple symptom analysis. It is a must read book for agricultural policy makers, researchers, Academicians (Professor and students) and farmers. The data presented and availed recommendations in this book in a special way target those individuals, group of individuals / teams and organizations currently involved with or prospective intuition in the improvement of cowpea production and productivity in developing countries where the crop is a major source of food, fodder and income. Perhaps, it is an important guide or handbook for you!