Biopesticides: a review of their action, applications and efficacy

A survey is given of the wide range of different materials and organisms th at can be classified as biopesticides. Details are given of those currently of commercial importance, and future developments in this area are discuss ed. It is considered that, while in the immediate future biopesticides may continue to be limited mainly to niche and speciality markets, there is gre at potential for long-term development and growth, both in their own right and in providing leads in other areas of pest management science. (C) 2000 Society of Chemical Industry.