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Walker, S. R. and Blacklow, W. M. (1994) Adsorption and degradation of triazine herbicides in soils used for lupin production in Western Australia: Laboratory studies and a simulation model. Australian Journal of Soil Research, 32 6: 1189-1205. doi:10.1071/SR9941189c 39   22 Cited 23 times in Scopus23 0
Quader, Motiul, Daggard, Grant, Barrow, Russell, Walker, Steven and Sutherland, Mark W. (2001) Allelopathy, DIMBOA production and genetic variability in accessions of Triticum speltoides. Journal of Chemical Ecology, 27 4: 747-760. doi:10.1023/A:1010354019573 32   12 Cited 18 times in Scopus18 0
Werth, J., Walker, S., Boucher, L. and Robinson, G. (2010) Applying the double knock technique to control Conyza bonariensis. Weed Biology and Management, 10 1: 1-8. doi:10.1111/j.1445-6664.2010.00360.x 42   6 Cited 6 times in Scopus6 3
Werth, Jeff, Thornby, David and Walker, Steve (2011) Assessing weeds at risk of evolving glyphosate resistance in Australian sub-tropical glyphosate-resistant cotton systems. Crop and Pasture Science, 62 11: 1002-1009. doi:10.1071/CP11201 28   3 Cited 4 times in Scopus4 0
Walker, S. R., Taylor, I. N., Milne, G., Osten, V. A., Hoque, Z. and Farquharson, R. J. (2005) A survey of management and economic impact of weeds in dryland cotton cropping systems of subtropical Australia. Australian Journal of Experimental Agriculture, 45 1: 79-91. doi:10.1071/EA03189 42   21 Cited 20 times in Scopus20 0
Walker, Steve, Werth, Jeff, McDonald, Craig and Charles, Graham (2010). Changes in weeds and practices since the introduction of herbicide tolerant cotton in Australia. In: 15th Australian Cotton Conference papers and presentations. 15th Australian Cotton Conference, Broadbeach, Qld., Australia, (). 10-12 August 2010. 100 2
Werth, Jeff, Boucher, Luke, Thornby, David, Walker, Steve and Charles, Graham (2013) Changes in weed species since the introduction of glyphosate-resistant cotton. Crop and Pasture Science, 64 8: 791-798. doi:10.1071/CP13167 18   0 Cited 0 times in Scopus0 0
Walker, S.R. and Robinson, G.P. (1996) Chlorsulfuron residues are not accumulating in soils of southern Queensland. Australian Journal of Experimental Agriculture, 36 2: 223-228. doi:10.1071/EA9960223 25   9 Cited 9 times in Scopus9 0
Wu, Hanwen, Walker, Steven R., Osten, Vikki A. and Robinson, Geoff (2010) Competition of sorghum cultivars and densities with Japanese millet (Echinochloa esculenta). Weed Biology and Management, 10 3: 185-193. doi:10.1111/j.1445-6664.2010.00383.x 54   3 Cited 4 times in Scopus4 0
Widderick, Michael J., Bell, Kerry L., Boucher, Luke R. and Walker, Steven R. (2013) Control by glyphosate and its alternatives of glyphosate-susceptible and glyphosate-resistant Echinochloa colona in the fallow phase of crop rotations in subtropical Australia. Weed Biology and Management, 13 3: 89-97. doi:10.1111/wbm.12014 24   0 Cited 0 times in Scopus0 0
Wu, Hanwen, Walker, Steve, Robinson, Geoff and Coombes, Neil (2010) Control of flaxleaf fleabane (Conyza bonariensis) in wheat and sorghum. Weed Technology, 24 2: 102-107. doi:10.1614/WT-09-043.1 52   2 Cited 2 times in Scopus2 0
Walker, S.R., Barnes, J.E., Osten, V.A., Churchett, J.D. and McCosker, M. (2000) Crop responses to sulfonylurea residues in soils of the subtropical grain region of Australia. Australian Journal of Agricultural Research, 51 5: 587-596. doi:10.1071/AR99040 56   5 Cited 5 times in Scopus5 0
Walker, Steve, Wu, Hanwen and Bell, Kerry (2010) Emergence and seed persistence of Echinochloa colona, Urochloa panicoides and Hibiscus trionum in the sub-tropical environment of north-eastern Australia. Plant Protection Quarterly, 25 3: 127-132. 63 2 Cited 1 times in Scopus1
Walker, S, Bell, K, Robinson, G and Widderick, M (2011) Flaxleaf fleabane (Conyza bonariensis) populations have developed glyphosate resistance in north-east Australian cropping fields. Crop Protection, 30 3: 311-317. doi:10.1016/j.cropro.2010.11.010 141   7 Cited 7 times in Scopus7 0
Lemerle, D., Gill, G. S., Murphy, C. E., Walker, S. R., Cousens, R. D., Mokhtari, S., Peltzer, S. J., Coleman, R. and Luckett, D. J. (2001) Genetic improvement and agronomy for enhanced wheat competitiveness with weeds. Australian Journal of Agricultural Research, 52 5: 527-548. doi:10.1071/AR00056 72   108 Cited 108 times in Scopus108 0
Widderick, M.J., Walker, S.R., Sindel, B.M. and Bell, K.L. (2010) Germination, emergence, and persistence of Sonchus oleraceus, a major crop weed in subtropical Australia. Weed Biology and Management, 10 2: 102-112. doi:10.1111/j.1445-6664.2010.00370.x 54   3 Cited 3 times in Scopus3 0
Wu, Hanwen, Walker, Steven, Rollin, Michael Jonathan, Tan, Daniel Kean Yuen, Robinson, Geoff and Werth, Jeff (2007) Germination, persistence, and emergence of flaxleaf fleabane (Conyza bonariensis [L.] Cronquist). Weed Biology and Management, 7 3: 192-199. doi:10.1111/j.1445-6664.2007.00256.x 49   19 Cited 22 times in Scopus22 0
Walker, Steve, Thornby, D., Werth, J. and Widderick, M. (2010). Glyphosate resistant weeds – the implications for summer crops. In: Proceedings of the 1st Australian Summer Grains Conference. 2010 Australian Summer Grains Conference: 'Opportunity through Unity', Gold Coast , Australia, (). 21-24 June 2010. 44  
Walker, Steven, Widderick, Michael, Mclean, Andrew, Cook, Tony and Davidson, Bill (2013) Improved chemical control of conyza bonariensis in wheat limits problems in the following fallow. Weed Biology and Management, 13 4: 144-150. doi:10.1111/wbm.12021 16   0 Cited 0 times in Scopus0 0
Walker, S. R., Medd, R. W., Robinson, G. R. and Cullis, B. R. (2002) Improved management of Avena ludoviciana and Phalaris paradoxa with more densely sown wheat and less herbicide. Weed Research, 42 4: 257-270. doi:10.1046/j.1365-3180.2002.00283.x 24   36 Cited 37 times in Scopus37 0
Walker, S. R., Marley, J. M. T., Robinson, G. R. and Hargreaves, P. A. (1994) Initial activity of atrazine and chlorsulfuron residues is greater in the grey clays than in the black earths of southern Queensland. Australian Journal of Experimental Agriculture, 34 1: 67-73. doi:10.1071/EA9940067 31   8 Cited 8 times in Scopus8 0
Walker, S. R., Robinson, G. R. and Medd, R. W. (2001) Management of Avena ludoviciana and Phalaris paradoxa with barley and less herbicide in subtropical Australia. Australian Journal of Experimental Agriculture, 41 8: 1179-1185. doi:10.1071/EA01002 34   8 Cited 9 times in Scopus9 0
Thornby, David, Werth, Jeff and Walker, Steven (2013) Managing glyphosate resistance in Australian cotton farming: Modelling shows how to delay evolution and maintain long-term population control. Crop and Pasture Science, 64 8: 780-790. doi:10.1071/CP13109 17   1 Cited 1 times in Scopus1 0
Widderick, Michael J., Walker, Steven R. and McLean, Andrew R. (2010). Manipulating the seed bank to manage herbicide-resistant weeds. In: S. M. Zydenbos, Proceedings of the Seventeenth Australasian Weed Conference (2010) - New Frontiers in New Zealand: Together we can beat the weeds. Seventeenth Australasian Weeds Conference (2010), Christchurch, New Zealand, (262-265). 26 - 30 September 2010. 51  
Walker, S. R. and Blacklow, W. M. (1995) Movement and persistence of triazine herbicides in soils used for lupin production in Western-Australia - Field-measurements and interpretations with the aid of a simulation-model. Australian Journal of Soil Research, 33 5: 773-786. doi:10.1071/SR9950773 37   5 0
Jettner, R. J., Walker, S. R., Churchett, J. D., Blamey, F. P. C., Adkins, S. W. and Bell, K. (1999) Plant sensitivity to atrazine and chlorsulfuron residues in a soil-free system. Weed Research, 39 4: 287-295. doi:10.1046/j.1365-3180.1999.00145.x 76   12 Cited 13 times in Scopus13 0
Osten, V. A. and Walker, S. R. (1998) Recropping intervals for sulfonylurea herbicides are short in the semi-arid subtropics of Australia. Australian Journal of Experimental Agriculture, 38 1: 71-76. doi:10.1071/EA97055 34   3 Cited 3 times in Scopus3 0
Thornby, David, Werth, Jeff, Curr, Matt and Walker, Steve (2010). Risks and RATs: Assessing glyphosate resistance risk in paddocks in north-eastern Australia. In: S. M. Zydenbos, Proceedings of the Seventeenth Australasian Weed Conference (2010) - New frontiers in New Zealand: Together we can beat the weeds. 17th Australasian Weeds Conference (2010), Christchurch, New Zealand, (246-249). 26-30 September 2010. 36  
Thornby, David F. and Walker, Steve R. (2009) Simulating the evolution of glyphosate resistance in grains farming in northern Australia. Annals of Botany, 104 4: 747-756. doi:10.1093/aob/mcp152 21   15 Cited 14 times in Scopus14 0
Werth, Jeff, Thornby, David, Walker, Steve, Charles, Graham and McDonald, Craig (2010). Species shift and resistance: Challenges for Australian cotton systems. In: S. M. Zydenbos, Proceedings of the Seventeenth Australasian Weed Conference (2010) - New Frontiers in New Zealand: Together we can beat the weeds. Seventeenth Australasian Weeds Conference (2010), Christchurch, New Zealand, (20-23). 26-30 September 2010. 48  
Osten, V. A., Walker, S. R., Storrie, A., Widderick, M., Moylan, P., Robinson, G. R. and Galea, K. (2007) Survey of weed flora and management relative to cropping practices in the north-eastern grain region of Australia. Australian Journal of Experimental Agriculture, 47 1: 57-70. doi:10.1071/EA05141 37   21 Cited 22 times in Scopus22 0
Walker, S. R., Osten, V. A., Lack, D. W. and Broom, L. (1992) The responses of sorghum and sunflowers to 2,4-D and dicamba residues in clay soils in central Queensland. Australian Journal of Experimental Agriculture, 32 2: 183-187. doi:10.1071/EA9920183 42   1 Cited 1 times in Scopus1 0
Walker, Steven, Boucher, Luke, Cook, Tony, Davidson, Bill, McLean, Andrew and Widderick, Michael (2012) Weed age affects chemical control of Conyza bonariensis in fallows. Crop Protection, 38 15-20. doi:10.1016/j.cropro.2012.03.008 41   4 Cited 4 times in Scopus4 0
Walker, S. R., Robinson, G. R. and Hargreaves, P. A. (1997) Weed control with atrazine and chlorsulfuron is determined by herbicide availability and persistence in soils. Australian Journal of Agricultural Research, 48 7: 1003-1009. doi:10.1071/A97027 36   11 Cited 13 times in Scopus13 0
Rew, L. J., Medd, R. W., Van de Ven, R., Gavin, J. J., Robinson, G. R., Tuitee, M., Barnes, J. and Walker, S. (2005) Weed species richness, density and relative abundance on farms in the subtropical grain region of Australia. Australian Journal of Experimental Agriculture, 45 6: 711-723. doi:10.1071/EA03273 42   11 Cited 12 times in Scopus12 0
Adkins, S. W., Wills, D., Boersma, M., Walker, S. R., Robinson, G., Mcleod, R. J. and Einam, J. P. (1997) Weeds resistant to chlorsulfuron and atrazine from the north-east grain region of Australia. Weed Research, 37 5: 343-349. doi:10.1046/j.1365-3180.1997.d01-56.x 45   22 Cited 21 times in Scopus21 0