Researcher(s) |
Peter Boutsalis (UoA) Gurjeet Gill (UoA) Peter Hooper (Hart) Sam Kleemann (UoA) Christopher Preston (UoA) |
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Year(s) | 2012 |
Contributor | Hart Field Site Group |
Trial location(s) |
Hart, SA
|
To investigate the factors influencing (i.e. ryegrass size) performance of ‘dim’ herbicides Select (a.i. clethodim) & Factor (a.i. butroxydim) on Group A resistant ryegrass in canola.
Lead research organisation |
School of Agriculture, Food and Wine - The University of Adelaide |
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Host research organisation |
Hart Field Site Group |
Trial funding source | GRDC |
Related program | N/A |
Acknowledgments |
This trial was funded by GRDC & conducted in collaboration wtih Hart & Birchip Cropping Groups & The Univeristy of Adelaide. |
Other trial partners | Hart Field Site Group |
Crop type | Oilseed: Canola |
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Treatment type(s) |
|
Trial type | Experimental |
Trial design | Randomised,Replicated,Blocked |
Sow rate or Target density | Clearfield canola |
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Sow date | 31 May 2012 |
Harvest date | Not specified |
Plot size | 1.75m x 12m |
Plot replication | Not specified |
Fertiliser |
DAP Zn 2% @ 80kg/ha |
@T1: | @T2: | @T3: | @T4: | ||
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# |
Treatment 1
|
Plant density (plants/m2) | Plant density (plants/m2) | Plant density (plants/m2) | Head abundance (heads/m2) |
1 | █ clethodim 500ml | 53 | 50 | 57 | 91 |
1 | █ clethodim + butroxydim 500ml + 80g | 45 | 47 | 49 | 118 |
1 | █ clethodim 500ml Ryegrass 2-3 leaf | 32 | 6 | 11 | 14 |
1 | █ clethodim + butroxydim 500ml + 80g Ryegrass 2-3 leaf | 35 | 4 | 5 | 4 |
2 | █ clethodim 500ml 3 weeks after ryegrass 2-3 leaf | 43 | 28 | 12 | 33 |
2 | █ clethodim + butroxydim 500ml + 80g 3 weeks after ryegrass 2-3 leaf | 50 | 37 | 6 | 8 |
2 | █ clethodim 500ml 6 weeks after ryegrass 2-3 leaf | 47 | 39 | 56 | 66 |
2 | █ clethodim + butroxydim 500ml + 80g 6 weeks after ryegrass 2-3 leaf | 52 | 51 | 49 | 36 |
3 | █ clethodim 500ml Ryegrass 2-3 leaf + 3 weeks after ryegrass 2-3 leaf | 36 | 10 | 6 | 5 |
3 | █ clethodim + butroxydim 500ml + 80g Ryegrass 2-3 leaf + 3 weeks after ryegrass 2-3 leaf | 48 | 4 | 2 | 0 |
3 | █ clethodim 500ml Ryegrass 2-3 leaf + 6 weeks after ryegrass 2-3 leaf | 35 | 46 | 10 | 25 |
3 | █ clethodim + butroxydim 500ml + 80g Ryegrass 2-3 leaf + 6 weeks after ryegrass 2-3 leaf | 41 | 51 | 8 | 5 |
4 | █ clethodim + UAN 500ml + 20L Ryegrass 2-3 leaf + 3 weeks after ryegrass 2-3 leaf | 46 | 5 | 3 | 10 |
4 | █ clethodim + butroxydim 500ml + 80g + + UAN 20L Ryegrass 2-3 leaf + 3 weeks after ryegrass 2-3 leaf | 44 | 3 | 1 | 1 |
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Rainfall trial gsr (mm) | 168mm |
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SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.