Perspectives of adopting integrated weed management in Brazil

Abstract

Extensive agricultural production areas have made Brazil a key global producer of food and fibres, and a major consumer of herbicides. The country also excels in the field of genetically modified crops. However, challenges like limited technical support for small stakeholders and economic factors have made weed resistance problematic across various cropping systems in Brazil. Despite its growing importance, integrated weed management still faces hurdles in its full adoption. This paper discusses integrated weed management techniques within Brazil's production chains and explores management possibilities within the current technological and economic frameworks. A literature review focused on integrated weed management and its adoption in Brazilian cropping systems was conducted. It is crucial to note that the choice of integrated management techniques should be based on local conditions and challenges, technological levels, and a balance of cost, productivity, sustainability, and diversity. The paper also covers the dynamics of integrated management in response to climate change and emphasizes the significance of community involvement and education. It highlights recent and emerging technologies for managing herbicide-resistant weeds, and how this knowledge can advance integrated weed management in Brazil.