A Shift in Pathotype Diversity and Complexity of in Brazil.

Soybean root and stem rot caused by the oomycete is a destructive disease worldwide that can affect plants at any growth stage. The use of resistant cultivars is the most effective method of controlling the disease. Therefore, monitoring changes in the population of regarding the dynamics of avirulence genes capable of overcoming resistance genes () is important to reduce yield losses and to enhance the effectiveness of the genes.

The Population of f. sp. in Brazil Is Not Structured by Vegetative Compatibility Group or by Geographic Origin.

Fusarium wilt, caused by the soilborne fungus f. sp. (), is considered one of the most destructive diseases of bananas in Brazil.