France: Climate change or the emergence of pests

The impacts of global warming are visible in a visible way on crops in France. The increase in episodes of meteorological disruption favors the recurrence of endemic diseases (already present in our territory) and the emergence of new pests such as new strains of ascomycete fungi, responsible for ash blight, or even basidiomycete fungi, the cause of yellow rust in wheat. This is the observation made by Frédéric Suffert, researcher at INRAE, during a conference held on Wednesday November 8, 2023 at the Robillard agricultural high school. PATHOGEN AGENT & HOST Disease is “the expression of the interaction between the arrival of a pathogenic agent on a host, in a climatic context and a particular environment, with possible action by man through agronomic practices” , sums up Frédéric Suffert from the outset. Flea beetles, fungi, weevils, beetles, aphids and other larvae are all pests leading to the appearance of diseases on crops. “We are not dealing with a single individual, but ...