Hashem, A., Dhammu, H.S., Powles, S.B., Bowran, D.G., Piper, T.J. and Cheam, A.H. (2001) Triazine resistance in a biotype of Raphanus raphanistrum in Australia. Weed Technology 15: 636-641.
Hole, S.J.W., McClure, N.C. and Powles, S.B. (2001) Persistence and management of enhanced bio-degradation in soil. Weed Research 41: 341-349.
Hole, S.J.W., McClure, N.C. and Powles, S.B. (2001) Rapid degradation of carbetamide upon repeated application to Australian soils. Soil Biology & Biochemistry 33: 739-745.
Llewellyn, R. S., and Powles, S. B. (2001). High levels of
herbicide resistance in rigid ryegrass (Lolium rigidum) in the
wheatbelt of Western Australia. Weed Technology 15, 242-248.
Lorraine-Colwill, D.F., Powles, S.B., Hawkes, T.T. and Preston, C. (2001) Inheritance of evolved glyphosate resistance in Lolium rigidum. Theoretical & Applied Genetics. 102: 545-550.
Rieger, M.A., Potter, T.D., Preston, C. and Powles, S.B. (2001) Hybridisation between Brassica napus L. and Raphanus raphanistrum L. under agronomic field conditions. Theoretical & Applied Genetics. 103, 555-560.
Walsh, M.J., Delaney, R.H., Groose, R.W. and Krall, J.M. (2001) Performance of Annual Medic Species (Medicago spp.) in Southeastern Wyoming. Agronomy Journal 93: 1249-1256.
Walsh, M.J., Duane, D.R., and Powles, S.B. (2001) High frequency of chlorsulfuron resistant wild radish (Raphanus raphanistrum L.) populations across the Western Australian wheatbelt. Weed Technology 15: 199-203.