Evaluation of the efficacy of fungicides in the control of black spot in yerba mate, Ilex paraguariensis A. St.-Hil., caused by Calonectria spp. Journal on studies and research of academic knowledge, Itapúa, PY, n. 19, p. e2025003, 2025. DOI: 10.70833/rseisa19item660. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/660. Acesso em: 20 oct. 2025.