Email: D.Grzywacz@gre.ac.uk
David Grzywacz is a world expert in biological control of tropical insect pests with more than 25 years experience. He has worked on new pest control systems using insect viruses on many crops in developing countries His research has covered all aspects of biopesticides from the initial isolation and evaluation through to mass production and advice on regulation and has worked with research institutes, universities, SMEs and private sector clients in Africa, Asia and South America