Interaction between PGR strategy and Strobilurin fungicide application


Research organisaton
Funding source

Trial details

Researcher(s) Nick Poole (FAR NZ) and Dominic Bolton (SFS)
Year(s) 2003
Contributor Southern Farming Systems
Trial location(s) Gnarwarre, VIC
Interaction between PGR strategy and Strobilurin fungicide application locations

To assess the impact of strobilurin application on the need for PGR application.

Key messages

Plant growth regulators significantly reduced the yield and quality of Gairdner malting barley, irrespective of which fungicide programme was employed.

Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC
Related program N/A
Acknowledgments N/A
Other trial partners Not specified
Download the trial report to view additional trial information


Crop type Barley
Treatment type(s)
  • Fungicide: Type
  • Growth regulator: Type
  • Growth regulator: Rate
Trial type Experimental
Trial design Replicated

Gnarwarre 2003

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
Treatment 1
Treatment 2
Average plant height (cm) Grain yield (t/ha) Test weight (kg/hL) Screenings (%)
1 Gairdner Strobium/Triazole Untreated 81 5.79 67.8 3.4
2 Gairdner Triazole Untreated 75 5.77 67.8 3.7
3 Gairdner Strobium/Triazole Moddus 0.2 l/ha 66 5.77 65.2 5.6
4 Gairdner Strobium/Triazole Chlormequat 1.5 l/ha 75 5.68 66.9 3
5 Gairdner Triazole Chlormequat 1.5 l/ha 74 5.66 66.9 3.6
6 Gairdner Strobium/Triazole Moddus 0.4 l/ha 59 5.42 64 6.8
7 Gairdner Triazole Moddus 0.2 l/ha + Chlormequat 1.5 l/ha 63 5.41 64.2 3.7
8 Gairdner Strobium/Triazole Moddus 0.2 l/ha + Chlormequat 1.5 l/ha 61 5.37 64.7 4

Grain yield t/ha


Average plant height cm


Screenings %


Test weight kg/hL

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Gnarwarre, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Gnarwarre, VIC Chromosol
National soil grid Source
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.

Gnarwarre VIC


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.

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Trial last modified: 14-11-2019 15:24pm AEST