The use of fungicides to treat plant pathogens dates back 150 years, when a mixture of lime and copper sulfate, known as the “Bordeaux mixture,” was used to control fungal diseases in French vineyards. However, as fungicide usage has increased, their efficacy has decreased thanks to a phenomenon known as fungicide resistance.
Click here for original story, Decreased fungicide application causes decline of resistant fungal pathogens indicating hidden in field fitness costs
Source: Phys.org