Paraná and São Paulo register first soybean rust outbreaks in the 2025/26 crop season

The first cases of Asian soybean rust for the 2025-26 crop were identified in the Parana and Sao Paulo cities of Corbelia and Itapetininga, respectively. The information is from the Antiferrugem Consortium. For agricultural engineer José de Freitas, from Sipcam Nichino Brasil, the registration raises the alert for producers of the oilseed in these regions to intensify the monitoring of crops and make preventive applications of Fungicides, "according to the phenology of the plants," he summarizes. According to Freitas, current climatic conditions, with more frequent rains, favor the development of the fungus Phakopsora pachyrhizi, the cause of the rust, also in other regions, such as the South of the country. Predictions also point to precipitation in volume for areas of the cerrado. "This occurs at a time when the agrochemical market is going through a period marked by high demand in the face of a shortage of multisite fungicides, strategic tools for effective control of rust," ...