Canola technology systems trial

CC BY 4.0

Research organisaton

Trial details

Researcher(s) Kevin Morthorpe (Pioneer Hi-Bred Australia)
Mark Steele (SFS)
Rohan Wardle (SFS)
Year(s) 2008
Contributor Southern Farming Systems
Trial location(s) Rossbridge, VIC
Canola technology systems trial locations

To control weeds without compromising crop yield.

Key messages
  • Average site canola yield in the trial was 1.24t/ha.
  • The dry spring and late frosts significantly reduce yield potentials.
  • The top yielding canola was the new 46Y81 (CL) hybrid.
  • The average yield of the commercial Clearfield hybrids was not significantly different to the Roundup Ready hybrid tested. 
  • The Roundup ready hybrid was 34% or 0.46t/ha higher yielding than the TT check variety.
  • Weed pressure at the site was low. 
Lead research organisation N/A
Host research organisation N/A
Related program N/A

Thanks to Spence Millear for providing the land for the trials and the SFS Members for supporting the trial.

Other trial partners Not specified
Download the trial report to view additional trial information


Crop type Oilseed: Canola
Treatment type(s)
  • Crop: Variety
  • Herbicide: Type
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Rossbridge 2008

Sow date 22 May 2008
Harvest date 8 December 2008
Plot size Not specified
Plot replication Not specified
Psuedoreplication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
Treatment 1
Grain yield (t/ha) Oil (%)
1 Bravo TT Triazine tolerant: Atrazine + Select + Adigor at 6 leaf; Lontrel at bud 0.91 42.2
2 46Y20 Hybrid Roundup Ready: Roundup at 6 leaf 1.38 43.8
3 44C79 Hybrid Clearfield: Intervix + Bonza at 6 leaf; Lontrel at bud 1.13 42.7
4 45Y77 Hybrid Clearfield: Intervix + Bonza at 6 leaf; Lontrel at bud 1.28 42.3
5 46Y78 Hybrid Clearfield: Intervix + Bonza at 6 leaf; Lontrel at bud 1.25 43.8
6 46Y81 Hybrid Clearfield: Intervix + Bonza at 6 leaf; Lontrel at bud 1.47 45.4

Grain yield t/ha


Oil %

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Rossbridge, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Rossbridge, VIC Sodosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Rossbridge VIC
2008 432.2mm
2007 423.0mm
2006 414.0mm
2005 437.2mm
2004 447.6mm
2003 483.4mm
2002 466.7mm
2001 513.6mm
2000 548.2mm
National soil grid Source: CSIRO/TERN
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties



Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Rossbridge VIC

NOTE: Exact trial site locality unknown - Climate data may not be accurate

Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
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.

Trial report and links

2008 trial report

Trial last modified: 06-11-2019 12:47pm AEST