1. Phytophthora citricola on Calluna, Rhododendron, Erica;Backhaus;Gartenborse and Gartenwelt,1990
2. Phytopathogenic soil fungi in reused irrigation water;Harig;Gartenborse Gartenwelt,1990
3. The use of Jet 5 in propagation;Hingley;Com. Proc. Inter. Plant Prop. Soc.,1998
4. Hopkins, K.E., 1996. Aspects of the biology and control of Pestalotiopsis on hardy ornamental nursery stock. M.Sc. Thesis, University of Glasgow, Scotland.
5. Hopkins, K.E., McQuilken, M.P., 1997. Pestalotiopsis on nursery stock. In: Graham, M. (Ed.), HDC Project News No. 39. Horticultural Development Council, East Malling, UK, p. 6.