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Control of annual ryegrass with pre-emergence herbicides

2011
CC BY 4.0

Research organisations
Funding source
Hart Field Site Group School of Agriculture, Food and Wine - The University of Adelaide
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Peter Boutsalis (UoA)
Peter Hooper (Hart)
Sam Kleemann (UoA)
Christopher Preston (UoA)
Year(s) 2011
Contributor Hart Field Site Group
Trial location(s) Hart, SA
Control of annual ryegrass with pre-emergence herbicides locations
Aims

To evaluate the efficacy & crop safety of alternate preemergent herbicides & their mixtures for the control of ryegrass in wheat.

Key messages
  • Boxer Gold alone or in combination with trifluralin and / or Avadex Xtra provided consistent pre-emergence control of ryegrass, as did trifluralin & Avadex Xtra.
  • Although ryegrass control with new pre-emergent herbicide Sakura was lower than in previous years, its tank mixture with Avadex Xtra provided excellent control (86%).
  • Boxer Gold & Dual Gold applied PSPE appeared to provide some additional in-row control of ryegrass.
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 with Birchip Cropping Group, The University of Adelaide & the Hart Field-Site Group.
Other trial partners Hart Field Site Group and BCG
Download the trial report to view additional trial information

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Herbicide : Timing
  • Herbicide : Type
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Hart 2011

Sow date 30 May 2011
Harvest date Not specified
Plot size 1.4m x 10m
Plot replication 3
Fertiliser

DAP Zn @ 90 kg/ha
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

@T1: @T2: @T3:
# Treatment 1
Grain yield (t/ha) Plant density (plants/m2) Plant density (plants/m2) Head abundance (heads/m2)
1 █ Nil 1.89 350 531 364
1 █ Tri480 1.5 L/ha (IBS) 2.19 113 183 231
1 █ Ava 3.0 L/ha (IBS) 2.44 115 183 114
1 █ Sak 118 g/ha (IBS) 2.28 203 218 160
2 █ Out 1.0 L/ha (IBS) 2.36 92 171 80
2 █ BG 2.5 L/ha (IBS) 2.43 81 143 66
2 █ Syn Exp (IBS) 2.25 93 121 148
2 █ Tri 480 1.5 L/ha + Ava 2.0 L/ha (IBS) 2.48 53 104 86
3 █ Ava 2.0 L/ha +Sak 118 g/ha (IBS) 2.67 51 64 34
3 █ Tri480 1.5 L/ha +Ava 2.0 L/ha (IBS)+DG 0.5 L/ha (PSPE) 2.68 58 74 50
3 █ Tri480 1.5 L/ha+Ava 2.0 L/ha (IBS) + BG 1.5 L/ha (PSPE) 2.6 46 108 44
3 █ Tri480 1.5 L/ha+Ava 2.0 L/ha (IBS)+BG 1.5 L/ha (PSPE) 2.79 24 51 24
4 █ BG 2.0 L/ha (IBS) + BG 1.5 L/ha (PSPE) 2.61 44 85 42
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Grain yield t/ha

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Head abundance heads/m2

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Plant density plants/m2

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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Hart, SA Calcarosol
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Hart, SA Chromosol
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 Hart SA
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Climate

Hart SA 2011

Observed climate information

Rainfall trial gsr (mm) 219mm

Derived climate information

Hart SA

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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

2011 trial report



Trial last modified: 05-06-2019 14:23pm AEST