This research was conducted at the farm "Aucaloma" from the National University of San Martín - T, Morales District located in the province of San Martin, San Martin department, with a geographical location of 76 ° 27 '55 "W, 6 ° 29 '40 "south latitude and 295 msnmm, with the aim of" Diagnose and assess the incidence and severity of fungal diseases in Phaseolus vulgaris regional ecotypes "; for which I had to isolate, purify and characterize fungi causing diseases in beans ecotypes regional study (Huasca beans, Pajatino, Allpa, Awisho, yellow Panamito T.), likewise the incidence and severity of assessed fungal diseases in each ecotype, and grain yield (kg / ha) were determined. The following diseases, fungal damping, wilting, web blight, angular spots, angular leaf spot gray, lunar spot were identified and anthracnose caused by the fungus Fusarium solani, Sclerotium rolfsii, Rhizocton...