Crop Updates 2008 - Weeds

This session covers twenty nine papers from different authors: 1. BOXER® GOLD, a new pre-emergent herbicide option for WA wheat and barley growers for the control of Annual Ryegrass and Toad Rush, Craig A. Ruchs, Syngenta Crop Protection Australia Pty Ltd 2. Efficacy of Boxer Gold in the control of annual ryegrass in wheat, Dr Abul Hashem, Dr Catherine Borger, Department of Agriculture and Food, Mr Ken McKee, Field Development Manager, Syngenta Crop Protection Australia Pty Ltd 3. Alternative herbicides to avoid trifluralin resistance, Catherine Borger and Abul Hashem, Department of Agriculture and Food 4. Exiting new herbicides for ryegrass control in wheat, Peter Newman, Department of Agriculture and Food 5. Herbicide options for resistant wild radish in wheat, Peter Newman, Department of Agriculture and Food 6. A near-complete control of wild radish with three new herbicide products, Aik Cheam and Siew Lee, Department of Agriculture and Food 7. An investigation of diflufenican resistance mechanism/s in wild radish, Meagan Pearce, Dr Michael Walsh and Prof. Stephen Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology, University of WA 8. Synergistic effects of Group C and GroupF herbicides on resistant and susceptible wild radish populations, Kent Stone, Dr Michael Walsh and Prof. Stephen Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology, University of WA 9. Precept® for the management of wild radish resistant to PDS inhibiting herbicides, Mike Clarke and Andrew Loorham, Bayer Cropscience Pty Ltd, Dr Michael Walsh, WAHRI, University of Western Australia 10. Evolution of glyphosate resistance in annual ryegrass: Effects of cutting rates, Roberto Busi and Stephen B. Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology, The University of Western Australia 11. Metribuzin and other herbicides pre-sowing of lupins, Peter Newman, Department of Agriculture and Food 12. Crop topping lupins with glufosinate gives poor control of ryegrass seed set, Peter Newman, Department of Agriculture and Food 13. Brome grass has developed multiple resistance to Group B and C herbicides, Dr Abul Hashem, Dr Catherine Borger and Dr Shahab Pathan, Department of Agriculture and Food 14. Effect of sowing methods, Logran® and Metribuzin on weeds and wheat grain yield, Alexandra Douglas and Abul Hashem, Department of Agriculture and Food 15. Effect of alternative Group K herbicides on control of on-row annual ryegrass in wide row lupins, Dr Abul Hashem1, Ray Fulwood2 and Chris Roberts1, 1Department of Agriculture and Food, 2Farmer, Meckering, Western Australia 16. Control and seed production of annual ryegrass in wide row lupins within the Western Australian wheatbelt, Abul Hashem1,6, Alex Douglas1,6, Shahab Pathan1, Glen Riethmuller1,6 and 1,6Sally Peltzer, Department of Agriculture and Food, 6CRC Australian Weed Management 17. Effective weed control in wide row lupins, Glen Riethmuller, Abul Hashem and Shahab Pathan, Department of Agriculture and Food, and CRC Australian Weed Management 18. Slender iceplant control, Lorinda Hunt1, John Borger1, Meir Altman1,4 and Dr Ed Barrett-Lennard1,4, Department of Agriculture and Food, Western Australia1, University of Western Australia and Future Farm Industries CRC4 19. Chemical and non-chemical weed control – a European perspective, Glen Riethmuller, Department of Agriculture and Food 20. Mouldboard ploughing shows promise on sand, Peter Newman, Stephen Davies and Sally Peltzer, Department of Agriculture and Food 21. Weed seed head trimming, Glen Riethmuller and Abul Hashem, Department of Agriculture and Food 22. A survey of summer weed incidence and distribution across the WA wheatbelt, Pippa Michaela, Bill McLeodb, Catherine Borgerb and Alex Douglasb, aCurtin University of Technology, bDepartment of Agriculture and Food 23. Herbicide tolerance of field pea varieties, Harmohinder Dhammu and Mark Seymour, Department of Agriculture and Food 24. Herbicide tolerance of current/new wheat varieties, Dr Harmohinder Dhammu, Department of Agriculture and Food 25. Herbicide tolerance of new oat varieties, Harmohinder Dhammu, Vince Lambert and Chris Roberts, Department of Agriculture and Food 26. Herbicide tolerance of saltbush and bluebush, Lorinda Hunt1, John Borger1, Meir Altman1,4 and Dr Ed Barrett-Lennard1,4, Department of Agriculture and Food1, University of Western Australia and Future Farm Industries CRC4 27. A review of 2,4-D formulations and vapour drift, John H. Moore, Department of Agriculture and Food 28. Movement of 2,4-D butyl ester and the dose response of three formulations of 2,4-D on canola, John H. Moore, Department of Agriculture and Food 29. Pathways to registration – Improving pesticide research outcomes, Dr Rohan Rainbow, Manager Crop Protection, Grains Research and Development Corporatio

Crop Updates 2007 - Weeds

This session covers thirty two papers from different authors: 1. ACKNOWLEDGEMENTS, Alexandra Douglas CONVENOR – WEEDS DEPARTMENT OF AGRICULTURE AND FOOD WILD RADISH MANAGEMENT 2. Decimate a wild radish seed bank in five years, Peter Newman, Sally Peltzer, Abul Hashem and Aik Cheam, Department of Agriculture and Food 3. High level of seed-set control in wild radish is achievable, Aik Cheam and Siew Lee,Department of Agriculture and Food 4. Wild radish: Best management practice, Aik Cheam and Siew Lee, Department of Agriculture and Food 5. Control of phenoxy resistant wild radish through the combined effects of wheat competition and phenoxy herbicides, Natalie Maguire and Michael Walsh, WAHRI, School of Plant Biology, University of Western Australia 6.Efficacy of florasulam on chlorsulfuron resistant and susceptible wild radish populations in Western Australia, Michael Walsh1 and Dan Cornally2, 1WAHRI, School of Plant Biology, University of Western Australia, 2Dow Agrosciences Australia 7. Does liming to increase soil pH limit the growth and development of wild radish (Raphanus raphanistrum)Matt Willis and Michael Walsh, WAHRI, School of Plant Biology, University of Western Australia IWM TECHNIQUES AND SEEDBANKS 8. Weed trimming – a potential technique to reduce weed seed set, Glen Riethmuller, Abul Hashem and Shahab Pathan, Department of Agriculture and Food 9. Burn narrow windrows in the wind, Peter Newman1and Michael Walsh2, 1Department of Agriculture and Food, 2Research Fellow, WA Herbicide Resistance Initiative 10. Winning the Weed War with the Weed Seed Wizard! Michael Renton, Sally Peltzer and Art Diggle, Department of Agriculture and Food HERBICIDE RESISTANCE AND GENE FLOW 11. Frequency of herbicide resistance in wild oat (Avena fatua) across the Western Australian wheatbelt, Mechelle Owen and Stephen Powles, WA Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia 12. Pollen mediated gene flow of herbicide resistance can occur over long distances doe annual ryegrass (Lolium rigidum): Results of two years with different meteorological conditions, Roberto Busi, Robert Barrett-Lennard and Stephen B. Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology – University of Western Australia 13. Doublegee has developed resistance to metsulfuron-methyl within WA wheatbelt, Dr Abul Hashem1and Dr Shahab Pathan2, 1Senior Research Officer, and 2Research Officer, Department Agriculture and Food 14. Another case of glyphosate resistance in annual ryegrass confirmes within Western Australia, Dr Abul Hashem1and Dr Shahab Pathan2, 1Senior Research Officer, and 2Research Officer, Department Agriculture and Food 15. Glyphosate resistance in the northern NSW – implications for Western Australian farming systems, Andrew Storrie, Tamworth Agricultural Institute, NSW Department of Primary Industries ALTERNATIVES TO TRIFLURALIN, KNOCKDOWNS, TANK MIXES AND NOVEL USES 16. Alternative pre-emergent herbicides to trifluralin for annual ryegrass control, Mr David Minkey and Dr Abul Hashem, Department of Agriculture and Food, 17. Evaluation of a new pre-emergent herbicide alternative dor the control of trifluralin resistant Lolium rigidum Gaudin (annual ryegrass) in wheat and barley, Craig A. Ruchs, Syngenta Crop Protection Australia Pty Ltd and Dr Peter Boutsalis, University of Adelaide 18. Novel knockdown tank mixes: Results from 12 trials over four years, Shahab Pathan1, Abul Hashem2, Catherine Borger3, Nerys Wilkins and Julie Roche, Department of Agriculture and Food, Western Australia, and 3the University of Western Australia 19. Alternative herbicides for weed control in lupins, Peter Newman and Martin Harries, Department of Agriculture and Food 20. Novel use application of clopyealid in lupins, John Peirce, and Brad Rayner, Department of Agriculture and Food 21. A model to predict grass selective herbicide rates, John Moore, Department of Agriculture and Food CROP AND WEED MANAGEMENT 22. Inter-row weed control in wide row lupin using knockdown-based tank mixes, Dr Abul Hashem1, Ray Fulwood2 and Chris Roberts3, 1Senior Research Officer, Department of Agriculture and Food, 2Farmer, Meckering, WA, 3Technical Officer, Department of Agriculture and Food 23. Timing of weed removal in wide-row lupins, Sally Peltzer, Shahab Pathan and Paul Matson, Department of Agriculture and Food 24. The effect of row spacing and crop density on competitiveness of lupins with wild radish, Bob French and Laurie Maiolo, Department of Agriculture and Food 25. Is delayed sowing a good strategy for weed management in lupins? Bob French, Department of Agriculture and Food 26. Delayed sowing as a strategy to manage annual ryegrass, Department of Agriculture and Food HERBICIDE TOLERANCE 27. The effect of herbicides on nodulation in lupins, Lorne Mills1, Harmohinder Dhammu2 and Beng Tan1, 1Curtin University of Technology, and 2Department of Agriculture and Food 28. Response of new wheat varieties to herbicides, Harmohinder Dhammu, Department of Agriculture and Food 29. Herbicide tolerance of new barley varieties, Harmohinder Dhammu, Vince Lambert and Chris Roberts, Department of Agriculture and Food 30. Herbicide tolerance of new oat varieties, Harmohinder Dhammu, Vince Lambert and Chris Roberts, Department of Agriculture and Food OTHER WEEDY MATTERS 31. Research and extension need for wild radish and other cruciferous weeds, Aik Cheam, Department of Agriculture and Food 32. e-weed – an information resource of seasonal weed management issues, Vanessa Stewartand Julie Roche, Department of Agriculture and Foo

Crop Updates 2007 - Weeds

This session covers thirty two papers from different authors: 1. ACKNOWLEDGEMENTS, Alexandra Douglas CONVENOR – WEEDS DEPARTMENT OF AGRICULTURE AND FOOD WILD RADISH MANAGEMENT 2. Decimate a wild radish seed bank in five years, Peter Newman, Sally Peltzer, Abul Hashem and Aik Cheam, Department of Agriculture and Food 3. High level of seed-set control in wild radish is achievable, Aik Cheam and Siew Lee,Department of Agriculture and Food 4. Wild radish: Best management practice, Aik Cheam and Siew Lee, Department of Agriculture and Food 5. Control of phenoxy resistant wild radish through the combined effects of wheat competition and phenoxy herbicides, Natalie Maguire and Michael Walsh, WAHRI, School of Plant Biology, University of Western Australia 6.Efficacy of florasulam on chlorsulfuron resistant and susceptible wild radish populations in Western Australia, Michael Walsh1 and Dan Cornally2, 1WAHRI, School of Plant Biology, University of Western Australia, 2Dow Agrosciences Australia 7. Does liming to increase soil pH limit the growth and development of wild radish (Raphanus raphanistrum)Matt Willis and Michael Walsh, WAHRI, School of Plant Biology, University of Western Australia IWM TECHNIQUES AND SEEDBANKS 8. Weed trimming – a potential technique to reduce weed seed set, Glen Riethmuller, Abul Hashem and Shahab Pathan, Department of Agriculture and Food 9. Burn narrow windrows in the wind, Peter Newman1and Michael Walsh2, 1Department of Agriculture and Food, 2Research Fellow, WA Herbicide Resistance Initiative 10. Winning the Weed War with the Weed Seed Wizard! Michael Renton, Sally Peltzer and Art Diggle, Department of Agriculture and Food HERBICIDE RESISTANCE AND GENE FLOW 11. Frequency of herbicide resistance in wild oat (Avena fatua) across the Western Australian wheatbelt, Mechelle Owen and Stephen Powles, WA Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia 12. Pollen mediated gene flow of herbicide resistance can occur over long distances doe annual ryegrass (Lolium rigidum): Results of two years with different meteorological conditions, Roberto Busi, Robert Barrett-Lennard and Stephen B. Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology – University of Western Australia 13. Doublegee has developed resistance to metsulfuron-methyl within WA wheatbelt, Dr Abul Hashem1and Dr Shahab Pathan2, 1Senior Research Officer, and 2Research Officer, Department Agriculture and Food 14. Another case of glyphosate resistance in annual ryegrass confirmes within Western Australia, Dr Abul Hashem1and Dr Shahab Pathan2, 1Senior Research Officer, and 2Research Officer, Department Agriculture and Food 15. Glyphosate resistance in the northern NSW – implications for Western Australian farming systems, Andrew Storrie, Tamworth Agricultural Institute, NSW Department of Primary Industries ALTERNATIVES TO TRIFLURALIN, KNOCKDOWNS, TANK MIXES AND NOVEL USES 16. Alternative pre-emergent herbicides to trifluralin for annual ryegrass control, Mr David Minkey and Dr Abul Hashem, Department of Agriculture and Food, 17. Evaluation of a new pre-emergent herbicide alternative dor the control of trifluralin resistant Lolium rigidum Gaudin (annual ryegrass) in wheat and barley, Craig A. Ruchs, Syngenta Crop Protection Australia Pty Ltd and Dr Peter Boutsalis, University of Adelaide 18. Novel knockdown tank mixes: Results from 12 trials over four years, Shahab Pathan1, Abul Hashem2, Catherine Borger3, Nerys Wilkins and Julie Roche, Department of Agriculture and Food, Western Australia, and 3the University of Western Australia 19. Alternative herbicides for weed control in lupins, Peter Newman and Martin Harries, Department of Agriculture and Food 20. Novel use application of clopyealid in lupins, John Peirce, and Brad Rayner, Department of Agriculture and Food 21. A model to predict grass selective herbicide rates, John Moore, Department of Agriculture and Food CROP AND WEED MANAGEMENT 22. Inter-row weed control in wide row lupin using knockdown-based tank mixes, Dr Abul Hashem1, Ray Fulwood2 and Chris Roberts3, 1Senior Research Officer, Department of Agriculture and Food, 2Farmer, Meckering, WA, 3Technical Officer, Department of Agriculture and Food 23. Timing of weed removal in wide-row lupins, Sally Peltzer, Shahab Pathan and Paul Matson, Department of Agriculture and Food 24. The effect of row spacing and crop density on competitiveness of lupins with wild radish, Bob French and Laurie Maiolo, Department of Agriculture and Food 25. Is delayed sowing a good strategy for weed management in lupins? Bob French, Department of Agriculture and Food 26. Delayed sowing as a strategy to manage annual ryegrass, Department of Agriculture and Food HERBICIDE TOLERANCE 27. The effect of herbicides on nodulation in lupins, Lorne Mills1, Harmohinder Dhammu2 and Beng Tan1, 1Curtin University of Technology, and 2Department of Agriculture and Food 28. Response of new wheat varieties to herbicides, Harmohinder Dhammu, Department of Agriculture and Food 29. Herbicide tolerance of new barley varieties, Harmohinder Dhammu, Vince Lambert and Chris Roberts, Department of Agriculture and Food 30. Herbicide tolerance of new oat varieties, Harmohinder Dhammu, Vince Lambert and Chris Roberts, Department of Agriculture and Food OTHER WEEDY MATTERS 31. Research and extension need for wild radish and other cruciferous weeds, Aik Cheam, Department of Agriculture and Food 32. e-weed – an information resource of seasonal weed management issues, Vanessa Stewartand Julie Roche, Department of Agriculture and Foo

Crop Updates 2005 - Weeds

This session covers thirty three papers from different authors: INTRODUCTION Alexandra Douglas, CONVENOR – WEEDS DEPARTMENT OF AGRICULTURE INTEGRATED WEED MANAGEMENT IWM system studies/demonstration sites 1. Eight years managing herbicide resistant ryegrass, Bill Roy, Agricultural Consulting & Research Services Pty Ltd, York 2. Ingest, incinerate or invert? The pro’s and con’s of three weed seed removal tactics, Sally Peltzer1, Dave Minkey1and Michael Walsh2,Department of Agriculture1 and Western Australian Herbicide Resistance Initiative2 3. The art of burning, Peter Newman1and Michael Walsh2, 1Department of Agriculture, 2WAHRI, University of WA 4. When is the right timing to maximise seed set control of wild radish? Aik Cheam1, Siew Lee1, Deirdre Lemerle2, Eric Koetz2and Andrew Storrie2,1Department of Agriculture, 2Department of Primary Industries, New South Wales 5. Cover crop management to combat annual ryegrass resistance and improve wheat yields, Jeff Russell, Department of Agriculture, Angie Roe, Farm Focus Consultants 6. When does double knockdown strategy pay? Rick Llewellyn1, David Pannell1and Alfons Weersink2, 1University of Western Australia; 2University of Guelph, Canada 7. Knockdowns for large wild radish, single and double, Peter Newman, Research Officer and Glenn Adam, Technical Officer, Department of Agriculture 8. The reality of cutting herbicide rates – does it cause resistance? Art Diggle1, Paul Neve2 and Marta Monjardino1, 1Department of Agriculture, WA and CRC for Australian Weed Management, 2WA Herbicide Resistance Initiative, University of Western Australia All about rows 9. Weed control by banding and inter-row spraying of herbicides in wide row lupins, Dr Abul Hashem, Department of Agriculture, Ray Fulwood, Farmer, Meckering; and Mike Collins, R&D Officer, WANTFA, 10. Ryegrass seed set increases with increasing wheat row spacing and stubble retention, Glen Riethmuller, Department of Agriculture 11. Lupins tolerate robust herbicide rates when applied in-row with shielded sprayer, Peter Newman, Glenn Adam and Dave Nicholson, Department of Agriculture 12. Non-selective herbicide molecules for inter-row weed control in wide row lupins,Dr Abul Hashem, Dave Nicholson, Dr David Bowran, Dr Shahab Pathan, Department of Agriculture 13. Crop row orientation induced photo sensory effect on the competitive interactions of crops and weeds, Dr Shahab Pathan1, Dr Abul Hashem1, Nerys Wilkins1 and Catherine Borger3, 1Department of Agriculture, 3WAHRI, The University of Western Australia Herbicide resistance surveys 14. Frequency of herbicide resistance in wild radish populations across the WA wheatbelt, Dr Michael Walsh, Mechelle Owen and Prof. Stephen Powles, WAHRI, University of Western Australia 15. Frequency of herbicide resistance in annual ryegrass across the WA wheatbelt, Mechelle Owen, Michael Walsh and Stephen Powles, WA Herbicide Resistance Initiative, University of Western Australia 16. The incidence and severity of wild radish resistance in the NAR – results from an in-situ survey, Rob Grima and Andrew Blake, Elders Limited Weed competition, biology and ecology 17. Effect of wild radish density and lupin cultivars on their competition at Merredin, Dr Shahab Pathan, Dr Abul Hashem and Dr Bob French, Department of Agriculture 18. Role of environmental and management factors on dormancy and germination of weed seeds, Claudio M. Ghersa, IFEVA, Depto de Recursos Naturales y Ambiente, Facultad de Agronomia, Universidad de Buenos Aires, Argentina 19. Survival of annual ryegrass seed at various soil depths, Aik Cheam and Siew Lee, Department of Agriculture 20. When is annual ryegrass emergence optimised? Kathryn Steadman and Mechelle Owen, WA Herbicide Resistance Initiative, University of Western Australia 21. Salsol tragus – What we know and what we want to know, Catherine Borger, Western Australian Herbicide Resistance Initiative, University of Western Australia 22. Effect of sheep mastication and digestion on the transmission and viability of small flowered mallow (Malva parviflora L.) seeds, Pippa J. Michael, Philip E. Vercoe, Kathryn J. Steadman and Julie A. Plummer, WAHRI, University of Western Australia Herbicide efficacy and application 23. CLEARFIELD wheat to control brome grass and Guildford grass, Dr Abul Hashem, Alex Douglas, Department of Agriculture 24. Getting the best out of grass herbicides pre-sowing of wheat, Peter Newman, Glenn Adam, Department of Agriculture 25. Should Diuron post-emergent in lupins make a comeback? Peter Newman, Glenn Adam, Department of Agriculture Herbicide tolerance 26. EAG Eagle Rock tolerance to metribuzin and its mixtures, Harmohinder Dhammu, David Nicholson and Chris Roberts, Department of Agriculture 27. Herbicide tolerance of the new bread wheats, Harmohinder Dhammu, David Nicholson, Department of Agriculture 28. Herbicide tolerance of new lupin varieties, Harmohinder Dhammu, David Nicholson, Department of Agriculture 29. Response of new field pea varieties to herbicides, Harmohinder Dhammu, David Nicholson, Department of Agriculture 30. Herbicide tolerance of new chickpea varieties, Harmohinder Dhammu, Department of Agriculture 31. Herbicide tolerance of medic varieties and new annual pasture species, Christiaan Valentine and David Ferris, Department of Agriculture 32. The impact of herbicides on pasture legume seed set, David Ferris and Christiaan Valentine, Department of Agriculture, Weed projects 33. Applied weed management in Western Australia – new GRDC project DAW00114, Dr Abul Hashem,Dr Shahab Pathan and David Minkey, Department of Agricultur

Crop Updates 2005 - Weeds

This session covers thirty three papers from different authors: INTRODUCTION Alexandra Douglas, CONVENOR – WEEDS DEPARTMENT OF AGRICULTURE INTEGRATED WEED MANAGEMENT IWM system studies/demonstration sites 1. Eight years managing herbicide resistant ryegrass, Bill Roy, Agricultural Consulting & Research Services Pty Ltd, York 2. Ingest, incinerate or invert? The pro’s and con’s of three weed seed removal tactics, Sally Peltzer1, Dave Minkey1and Michael Walsh2,Department of Agriculture1 and Western Australian Herbicide Resistance Initiative2 3. The art of burning, Peter Newman1and Michael Walsh2, 1Department of Agriculture, 2WAHRI, University of WA 4. When is the right timing to maximise seed set control of wild radish? Aik Cheam1, Siew Lee1, Deirdre Lemerle2, Eric Koetz2and Andrew Storrie2,1Department of Agriculture, 2Department of Primary Industries, New South Wales 5. Cover crop management to combat annual ryegrass resistance and improve wheat yields, Jeff Russell, Department of Agriculture, Angie Roe, Farm Focus Consultants 6. When does double knockdown strategy pay? Rick Llewellyn1, David Pannell1and Alfons Weersink2, 1University of Western Australia; 2University of Guelph, Canada 7. Knockdowns for large wild radish, single and double, Peter Newman, Research Officer and Glenn Adam, Technical Officer, Department of Agriculture 8. The reality of cutting herbicide rates – does it cause resistance? Art Diggle1, Paul Neve2 and Marta Monjardino1, 1Department of Agriculture, WA and CRC for Australian Weed Management, 2WA Herbicide Resistance Initiative, University of Western Australia All about rows 9. Weed control by banding and inter-row spraying of herbicides in wide row lupins, Dr Abul Hashem, Department of Agriculture, Ray Fulwood, Farmer, Meckering; and Mike Collins, R&D Officer, WANTFA, 10. Ryegrass seed set increases with increasing wheat row spacing and stubble retention, Glen Riethmuller, Department of Agriculture 11. Lupins tolerate robust herbicide rates when applied in-row with shielded sprayer, Peter Newman, Glenn Adam and Dave Nicholson, Department of Agriculture 12. Non-selective herbicide molecules for inter-row weed control in wide row lupins,Dr Abul Hashem, Dave Nicholson, Dr David Bowran, Dr Shahab Pathan, Department of Agriculture 13. Crop row orientation induced photo sensory effect on the competitive interactions of crops and weeds, Dr Shahab Pathan1, Dr Abul Hashem1, Nerys Wilkins1 and Catherine Borger3, 1Department of Agriculture, 3WAHRI, The University of Western Australia Herbicide resistance surveys 14. Frequency of herbicide resistance in wild radish populations across the WA wheatbelt, Dr Michael Walsh, Mechelle Owen and Prof. Stephen Powles, WAHRI, University of Western Australia 15. Frequency of herbicide resistance in annual ryegrass across the WA wheatbelt, Mechelle Owen, Michael Walsh and Stephen Powles, WA Herbicide Resistance Initiative, University of Western Australia 16. The incidence and severity of wild radish resistance in the NAR – results from an in-situ survey, Rob Grima and Andrew Blake, Elders Limited Weed competition, biology and ecology 17. Effect of wild radish density and lupin cultivars on their competition at Merredin, Dr Shahab Pathan, Dr Abul Hashem and Dr Bob French, Department of Agriculture 18. Role of environmental and management factors on dormancy and germination of weed seeds, Claudio M. Ghersa, IFEVA, Depto de Recursos Naturales y Ambiente, Facultad de Agronomia, Universidad de Buenos Aires, Argentina 19. Survival of annual ryegrass seed at various soil depths, Aik Cheam and Siew Lee, Department of Agriculture 20. When is annual ryegrass emergence optimised? Kathryn Steadman and Mechelle Owen, WA Herbicide Resistance Initiative, University of Western Australia 21. Salsol tragus – What we know and what we want to know, Catherine Borger, Western Australian Herbicide Resistance Initiative, University of Western Australia 22. Effect of sheep mastication and digestion on the transmission and viability of small flowered mallow (Malva parviflora L.) seeds, Pippa J. Michael, Philip E. Vercoe, Kathryn J. Steadman and Julie A. Plummer, WAHRI, University of Western Australia Herbicide efficacy and application 23. CLEARFIELD wheat to control brome grass and Guildford grass, Dr Abul Hashem, Alex Douglas, Department of Agriculture 24. Getting the best out of grass herbicides pre-sowing of wheat, Peter Newman, Glenn Adam, Department of Agriculture 25. Should Diuron post-emergent in lupins make a comeback? Peter Newman, Glenn Adam, Department of Agriculture Herbicide tolerance 26. EAG Eagle Rock tolerance to metribuzin and its mixtures, Harmohinder Dhammu, David Nicholson and Chris Roberts, Department of Agriculture 27. Herbicide tolerance of the new bread wheats, Harmohinder Dhammu, David Nicholson, Department of Agriculture 28. Herbicide tolerance of new lupin varieties, Harmohinder Dhammu, David Nicholson, Department of Agriculture 29. Response of new field pea varieties to herbicides, Harmohinder Dhammu, David Nicholson, Department of Agriculture 30. Herbicide tolerance of new chickpea varieties, Harmohinder Dhammu, Department of Agriculture 31. Herbicide tolerance of medic varieties and new annual pasture species, Christiaan Valentine and David Ferris, Department of Agriculture 32. The impact of herbicides on pasture legume seed set, David Ferris and Christiaan Valentine, Department of Agriculture, Weed projects 33. Applied weed management in Western Australia – new GRDC project DAW00114, Dr Abul Hashem,Dr Shahab Pathan and David Minkey, Department of Agricultur