P.S Ojiambo, J.O Nyanapah, C. Lun'gaho, J.A Kariaga, H.M Kadanemiriam (Kluwer Academic Publisher, 2000)
Late blight caused by Phytophthora infestans was monitored in field plots of potato genotypes selected from population A of the International Potato Center (CIP) germplasm collection. Disease severity was measured as percent ...