Evaluación de la productividad en cultivos locales de Manihot esculenta Crantz asociada a la inoculación con cepas de Trichoderma asperellum y T. harzianum aislados de suelos de la provincia de Misiones

Manihot esculenta Crantz, commonly known as cassava, is one of the most globally consumed crops and has been the subject of extensive research aimed at improving its productivity. Many of these studies investigate the use of microorganisms application, particularly species belonging to the Trichoderma genus, and their biofertilizing effect. However, the impact of Trichoderma strains on productivity in local cassava plantations in the province of Misiones remains unknown. This study aimed to assess the effect of application with Trichoderma strains isolated from Misiones soils, particularly T. asperellum, T. harzianum, and a combination of both species, on the productivity of the cassava variety IAC 90, widely utilized by Misiones producers. Four treatments (T. asperellum TU2, T. harzianum TC7, the combination T. asperellum TU2 + T. harzianum TC7, and a negative control) were tested under field conditions using traditional cultivation practices. The morphological characteristics of both root and aerial parts relevant to productivity were evaluated. The results indicated that the treatment combining both species (T. asperellum TU2 + T. harzianum TC7) had a statistically significant effect on increasing both root production and plant height in the cassava variety IAC 90 under traditional cultivation practices.