CE: 1826 CF: cag01418


Identification of isolates of Fusarium spp. associated with Solanum quitoense Lam in Pastaza, Ecuador

Identificación de aislados de Fusarium spp. asociados a (Solanum quitoense Lam) en Pastaza, Ecuador


William Castro López1*, Karina Carrera Sanchez1, Felipe Lidcay Herrera Isla2, Rene Cupull Santana2


1Facultad de Ciencias de la Tierra, Universidad Estatal Amazónica, Campus principal km 1 ½ vía Puyo - Tena, Ecuador, CP 160150 

2Facultad de Ciencias Agropecuarias, Universidad Central “Marta Abreu” de Las Villas, Carretera a Camajuaní km 6, Santa Clara, Villa Clara, Cuba, CP 54830


*E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.



The vascular wilt is the most destructive disease of naranjilla (Solanum quitoense Lam) in the ecuatorian Amazon causing field losses near 80%. In this study was identified and characterized some isolates at a fungus belonging to the genus Fusarium associated with this disease. Eight isolates of Fusarium spp. were obtained from plants with symptoms of wilt from representative areas cultivated with naranjilla at the Pastaza province. Each isolates were cultivated in Petri dishes (90 mm Ø) contained PDA and CLA media. The cultural parameters evaluated were: colour of the colony (reverse and obverse); mycelia texture; mycelial grown and others morphological characters like: size of conidia (length and width) and chlamydospore size. Several taxonomical keys were used to identify the fungi isolated. A randomized design was utilized and the data were processed statistically by means IBM-SPSS Statistics version 23 on Window. The eight isolates belonging to the genus Fusarium spp. a fungus reported for several authors as the causal agent of the wilt in this plant.


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