| Researcher(s) |
Mike Ashwoth Richard Devlin Roberto Rocha Orna Tippett |
|---|---|
| Year(s) | 2020 |
| Contributor | School of Agriculture and Environment - The University of Western Australia |
| Trial location(s) |
Dandaragan, WA
Pingelly, WA Tammin, WA |
This research aims to investigate the effect of wheat time of sowing and seeding rate, on the effectiveness and degradation of pre-emergent herbicides commonly used to control annual ryegrass in no tillage farming systems.
| Lead research organisation |
Australian Herbicide Resistance Initiative |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC UOA1707-005RTX |
| Related program | N/A |
| Acknowledgments |
This research was funded by the Grains Research Development Corporation of Australia (GRDC). We also thank Mr. Shane Baxter for his excellent support as a field research assistant. |
| Other trial partners | Living Farm |
| Crop types | Cereal (Grain): Wheat Weed: Ryegrass |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Randomised |
| Sow rate or Target density | 100, 150 and 200 plants/m2 |
|---|---|
| Sowing machinery |
The site was sown with no tillage tine openers with press wheels to provide sufficient seed soil packing and promote good weed germination. |
| Sow date | TOS 1- 7th May, 2020; TOS 2- 5th of June, 2020 |
| Harvest date | Unknown |
| Trial design method | RCBD Randomised Complete Block Design |
| Plot size | 2.2m x 10m |
| Plot replication | 4 |
| Plot randomisation | Y |
| Herbicide |
Refer to the trial report for treatment details |
| Sow rate or Target density | 100, 150 and 200 plants/m2 |
|---|---|
| Sowing machinery |
The site was sown with no tillage tine openers with press wheels to provide sufficient seed soil packing and promote good weed germination. |
| Sow date | TOS 1- 9th May, 2020; TOS 2- 4th of June, 2020 |
| Harvest date | Unknown |
| Trial design method | RCBD Randomised Complete Block Design |
| Plot size | 2.2m x 10m |
| Plot replication | 4 |
| Plot randomisation | Y |
| Herbicide |
Refer to the trial report for treatment details |
| Sow rate or Target density | Not specified |
|---|---|
| Sowing machinery | Not specified |
| Sow date | Not applicable |
| Harvest date | Not applicable |
| Trial design method | RCBD Randomised Complete Block Design |
| Plot size | 2.2m x 10m |
| Plot replication | 4 |
| Plot randomisation | Y |
| Herbicide | Not specified |
| Sow rate or Target density | 100, 150 and 200 plants/m2 |
|---|---|
| Sowing machinery |
The site was sown with no tillage tine openers with press wheels to provide sufficient seed soil packing and promote good weed germination. |
| Sow date | TOS 1- 6th May, 2020; TOS 2- 5th of June, 2020 |
| Harvest date | Unknown |
| Trial design method | RCBD Randomised Complete Block Design |
| Plot size | 2.2m x 10m |
| Plot replication | 4 |
| Plot randomisation | Y |
| Herbicide |
Refer to the trial report for treatment details |
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.
