Copper sulphate has been used in agriculture since the 1800s, at least. It is widely used as a fungicide on organic and conventional crops, and it is also used as foliar fertiliser. A study from the Federal University of Vicosa in Brazil has found that copper sulfate, when used as a leaf fertilizer, is lethal to the native Brazilian bee known as Friesella schrottkyi. In addition, the study, which was published in the Journal of Economic Entomology, found that sublethal exposure also affected the bee's behaviour.
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Source: Entomological Society of America

    11-04-2016 00:00