convener and editor, H. D. Tindall; Temperate zone fruits in the tropics and subtropics / convener and editor, F. G. Dennis; Symposium on Horticultural Economics in Developing Countries, Alemaya, Ethiopia, July 1989 / convener and editor R. von Alvensleben
International Symposium on Advances in Environmental Control, Automation and Cultivation Systems for Sustainable, High-Quality Crop Production under Protected Cultivation (2006 : Seoul, Korea)
International Symposium on Sustainable Use of Plant Biodiversity to Promote New Opportunities for Horticultural Production Development (2003 : Antalya, Turkey)