Evaluation of the severity of Black Sigatoka (Mycosphaerella fijiensis Morelet) in ‘Barraganete’ plantain under magnesium fertilization / Evaluation of the severity of Black Sigatoka (Mycosphaerella fijiensis Morelet) in ‘Barraganete’ plantain under magnesium fertilization | Cedeño-Zambrano archyw January 4, 2021