Title

Crop Updates 2005 - Weeds

Authors

Alexandra Douglas, Department of Agriculture
Bill Roy, Agricultural Consulting & Research Services Pty Ltd, York
Sally Peltzer, Department of Agriculture
Dave Minkey, Department of Agriculture
Michael Walsh, University of WA
Peter Newman, Department of Agriculture
Aik Cheam, Department of Agriculture
Siew Lee, Department of Agriculture
Deirdre Lemerle, Department of Primary Industries, New South Wales
Eric Koetz, Department of Primary Industries, New South Wales
Andrew Storrie, Department of Primary Industries, New South Wales
Jeff Russell, Department of Agriculture
Angie Roe, Farm Focus Consulting
Rick Llewellyn, University of Western Australia
David Pannell, University of Western Australia
Alfons Weersink, University of Guelph, Canada
Peter Newman, Department of Agriculture
Glenn Adam, Department of Agriculture
Art Diggle, Department of Agriculture
Paul Neve, The University of Western Australia
Marta Monjardino, Department of Agriculture
Abul Hashem, Department of Agriculture
Ray Fulwood, Farmer, Meckering
Mike Collins, WANTFA
Glen Riethmuller, Department of Agriculture
Dave Nicholson, Department of Agriculture
David Bowran, Department of Agriculture
Shahab Pathan, Department of Agriculture
Nerys Wilkins, Department of Agriculture
Catherine Borger, University of Western Australia
Michael Walsh, University of Western Australia
Mechelle Owen, University of Western Australia
Stephen Powles, University of Western Australia
Rob Grima, Elders Limited
Andrew Blake, Elders Limited
Bob French, University of Western Australia
Claudio M. Ghersa, Universidad de Buenos Aires, Argentina
Katherine Steadman, University of Western Australia
Pippa J. Michael, University of Western Australia
Philip E. Vercoe, University of Western Australia
Julie A. Plummer, University of Western Australia
Harmohinder Dhammu, Department of Agriculture
Chris Roberts, Department of Agriculture
Christiaan Valentine, Department of Agriculture
David Ferris, Department of Agriculture

Document Type

Conference Proceeding

Publisher

Department of Agriculture

City

Perth

Publication Date

16-2-2005

Keywords

Ryegrass, weed-break, programs, weeds, ants, predation, mouldboard ploughing, burning, seed banks, windrow, burning, annual ryegrass, wild radish, seed set control, cover cropping, brown manuring, herbicide resistance, glyphosate, weed management, economics, double knockdown, Spray.Seed®, rate cuts, wide row lupins, inter-row spraying, intra-row banding, wheat, stubble, row spacing, no-till, shielded spraying, wild radish, in-row weed control, knockdown herbicides, herbicide mixtures, light interception, row orientation, weeds biomass, grain yields, grain protein, chlorsulfuron, atrazine, 2, 4-D amine, random survey, northern agricultural region, competition, yield, protein content, lupin cultivar, environmental, management factors, dormancy, seed survival, germination, emergence, maturation, after-ripening, Salsola tragus, Malva parviflora, sheep, mallow, lime, barley grass, silver grass, Monza®, Atlantis®, Midas®, wheat yield, trifluralin, incorporation, doublegee, diuron, post-emergent, metribuzin, tolerance, cross-tolerance, bread wheat, field pea, chickpeas, medics, pasture legume species, seed set, weed seed removal, weed protein, competition

Abstract

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 Agriculture

Comments

Please cite papers individually

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