Bill Carlile lectured on pesticide selectivity and toxicology for many years at Nottingham Trent University, where he carried out research and contractual work on the mode of action of pesticides and fungicide resistance. From 2005, Bill was Chief Horticultural Advisor to Bord na Mona in Ireland and now acts as Horticultural Advisor to the company. Anne Coules is a lecturer on Plant Science and Environmental Courses at Nottingham Trent University. Her main research interests are in growing media and plant pathology. Current activity at Nottingham Trent involves commercial horticultural research and trials and she has also worked abroad as an agricultural advisor and consultant plant pathologist.