1. ANON (1982a). Approved Products for Farmers and Growers, Ministry of Agriculture, Fisheries and Food, London
2. ANON (1982b). The Scottish Agricultural Colleges Farm Management Handbook, School of Agriculture, Aberdeen
3. BARNES, R. C., KLOTZ, L. J., de WOLFE, T. A., SMALL, R. H. and TURNER, G. U. (1966). Nematocidal and fungicidal properties of some soil fumigants. Phytopathology, 56, 691–8
4. BENT, K. J., COLE, A. M., TURNER, J. A. W. and WOLNER, M. (1971). Resistance of cucumber powdery mildew to dimethirimol. Proceedings 6th British Insecticide Fungicide Conference, 1, 274–82
5. BEN-YEPHET, Y., DINOOR, A. and HENIS, Y. (1975). The physiological basis of carboxin sensitivity and tolerance in Ustilago hordei. Phytopathology, 65, 936–42