Funding for this research was provided by:
European Crop Protection Agency
Received: 25 April 2019
Accepted: 10 June 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: Not applicable, since the present study is a re-evaluation of existing data.
: Not applicable.
: The authors declare that they have no competing interests. RM, ME, DS, MF and AK are employed at companies developing and producing plant protection products. MW and AG work as consultants for these and other clients.