1. Resistance in Crop Species of the Genus Brassica to Oviposition by the Turnip Root Fly, Hylemya floralis
2. A. N. E. BIRCH (1987 ). Initial studies of swede resistance to turnip root fly in Scotland .Proceedings of Crop Protection in Northern Britain 1987, pp.225 -230 .
3. T. H. COAKER, and S. FINCH (1971 ). The cabbage root fly,Erioischia brassicae(Bouche) .Report of the National Vegetable Research Station for 1970/71, pp.23 -42 .
4. Relationship between the concentration of chlorogenic acid in carrot roots and the incidence of carrot fly larval damage
5. P. R. ELLIS, J. A. HARDMAN, A. R. THOMPSON, H. J. MAYNE, and P. L. SAW (1986 ). Resistance of vegetables to insect pests .Report of the National Vegetable Research Station 1985, P.29 .