Romero Cova, Sebastian The influence of temperature, light and nutrients on formation and germination of Oospores of phytophthora infestans / Sebastian Romero Cova - Morgantown, West Virginia : El autor - 51 h. Tesis (M.Sc.) -- West Virginia University LCCN: 201554 Subjects--Topical Terms: Phytophthora infestans Tizón tardío de la papa