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Septoria tritici blotch (Zymoseptoria tritici) in wheat - a comparison of early control methods

2015
CC BY 4.0

Research organisations
Funding source
Southern Farming Systems Department of Economic Development, Jobs, Transport and Resources VIC
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Madeleine Francis (DEDJTR)
Frank Henry (DEDJTR)
Jon Midwood (SFS)
Year(s) 2015
Contributor Southern Farming Systems
Trial location(s) Hamilton, VIC
Septoria tritici blotch (Zymoseptoria tritici) in wheat - a comparison of early control methods locations
Aims
  • To determine if grazing alone can reduce Septoria tritici blotch (STB) disease pressure.
  • To determine how long flutriafol, applied to the fertiliser, can control STB into the season.
  • To assess the efficacy of the preliminary SDHI seed treatment to control STB.
  • To assess whether the effectiveness of early control with grazing or seed treatments is improved with a foliar application of the foliar fungicide Opera (pryaclostrobin and epoxiconazole) at GS39 (flag leaf emergence).
Key messages
  • Dry conditions reduced the severity of septoria tritici blotch.
  • Timing of fungicide application did not affect (p<0.05) grain yield or quality.
  • Consider using seed or fertiliser fungicide treatment when grazing wheat early in the season.
  • Multiple fungicide applications using different active groups will reduce the risk of fungicide resistance developing in Zymoseptoria tritici.
  • Grazing can add feed value to the wheat crop and reduce disease pressure. 
Lead research organisation Department of Economic Development, Jobs, Transport and Resources VIC
Host research organisation Southern Farming Systems
Trial funding source GRDC DAV00143
Related program N/A
Acknowledgments

Improving practices & adoption through strengthening D & E Capability & delivery in the southern region (RRA) – DAV00143 GRDC DEDJTR Bilateral Research Agreement. Thanks to the SFS trials team for their management of the trial. 
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Fungicide : Application Method
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Hamilton 2015

Sow date 21 May 2015
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Download the trial report to view additional method/treatment information
Trial source data and summary not available
Check the trial report PDF for trial results.
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Hamilton, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Hamilton, VIC Kurosol
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 Hamilton VIC
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Climate

Hamilton VIC 2015

Observed climate information

Rainfall avg ann (mm) 616.9mm
Rainfall trial total (mm) 472.6mm

Derived climate information

Hamilton VIC

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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Some data on this site is sourced from the Bureau of Meteorology

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.

Trial report and links

2015 trial report



Trial last modified: 20-10-2019 12:43pm AEST