Characterization of physiological races of Phytophthora infestans (Mont.) de Bary in lulo (Solanum quitoense Lam.)

Lulo blight is one of the most important problems of this crop in Colombia, present in all departments of the country that grow it, with an incidence of 100%. Due to the ignorance of the complexity of physiological races of Phytophthora infestans in cultivated lulo (Solanum quitoense), collections w...