1. ANON , (1983 ). Edinburgh School of Agriculture, Annual Report for 1982, p.159 .
2. H. DELANEY, and D. M. MOON (1984 ). Evaluation of herbicides for the control of simazine-resistantSenecio vulgarisL .Aspects of Applied Biology 5, Weed control and vegetation management in forests and amenity areas, pp.385 -390 .