| Researcher(s) |
Peter Boutsalis (UoA) Gurjeet Gill (UoA) Peter Hooper (Hart) Sam Kleemann (UoA) Christopher Preston (UoA) |
|---|---|
| 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 |
|---|---|
| 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 |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Randomised,Replicated,Blocked |
| Sow rate or Target density | Clearfield canola |
|---|---|
| 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: | ||
|---|---|---|---|---|---|
| # |
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 |
|---|
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.
