Len Tesoriero has 20 years’ experience in plant pathology with NSW Agriculture. He specialises in diagnostic plant pathology and integrated disease management of horticultural crops. Much of Len's time is spent at EMAI, Menangle where he runs the Plant Health Diagnostic Service. This service includes pathology support to a number of R&D projects as well as inspections of pre-field production of seed potatoes (minitubers and TechniTubers). Len leads current research projects on disease management of greenhouse vegetables and nursery plants.