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Frost Tactics 2 Trial 1: Cereal high frost risk

2024

Research organisations
Funding source
Agricultural Innovation & Research Eyre Peninsula EPAG Research Trust
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Brett Masters
Rhaquelle Meiklejohn
Andrew Ware
Contact email andrew@epagresearch.com.au
Contact phone 0427884272
Year(s) 2024
Contributor Agricultural Innovation & Research Eyre Peninsula
Trial location(s) Tooligie Hill, SA
Frost Tactics 2 Trial 1: Cereal high frost risk locations
Aims
  • To improve understanding the relationship that frost timing has on varietal phenology and time of sowing
  • To determine the relative risk of growing wheat compared to barley in high and moderate frost risk areas. 
  • The plan is to combine with data collected in 2022 and 2023 to determine EP x frost risk tool
  • To determine if there is any benefit in mixing varieties of differing phenology as a tool of evading frost 
Key messages

Choosing varieties with a phenology that shifts flowering away from when a frost is likely to occur, can reduce frost damage/risk.

Lead research organisation Agricultural Innovation & Research Eyre Peninsula
Host research organisation EPAG Research Trust
Trial funding source GRDC AIP2404-001RTX
Related program Tactics to minimise frost damage on the Eyre Peninsula
Acknowledgments

Landholder: Dylon Kay
Other trial partners Rhaquelle Meiklejohn
Download the trial report to view additional trial information

Method

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

Tooligie Hill 2024 Barley

Sow rate or Target density 180
Sow date Not specified
Harvest date Not specified
Trial design method RCBD Randomised Complete Block Design
Plot size 200m x 70m
Plot replication 2
Other trial notes

With very small differences in varietial tolerance to frost, one of the easiest management decisions a grower can make in a frosty area is to plant a variety that will flower outside the tradtional frost window. However there is still need to understand the drivers of phenology with the latest varieties and differing sowing times. 

Trial impacted by any unusual or adverse factors: Frost

Tooligie Hill 2024 Wheat

Sow rate or Target density 180
Sow date Not specified
Harvest date Not specified
Trial design method Not specified
Plot size 1.5m x 10m
Plot replication 2
Other trial notes

With very small differences in varietial tolerance to frost, one of the easiest management decisions a grower can make in a frosty area is to plant a variety that will flower outside the tradtional frost window. However there is still need to understand the drivers of phenology with the latest varieties and differing sowing times. 

Trial impacted by any unusual or adverse factors: Frost
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
 Treatment 1
Grain yield (t/ha)
1 █  LPB19-6850 █ TOS1 3.49085
2 █  LPB19-6850 █ TOS1 2.01491
3 █  LPB19-6850 █ TOS1 3.06102
4 █  LPB19-6850 █ TOS2 2.32339
5 █  LPB19-6850 █ TOS2 1.66034
6 █  LPB19-6850 █ TOS2 1.96949
7 █ Bennett  █ TOS1 1.69627
8 █ Bennett  █ TOS1 1
9 █ Bennett  █ TOS1 1.24136
10 █ Bennett  █ TOS2 0.568136
11 █ Bennett  █ TOS2 *
12 █ Bennett  █ TOS2 0.68
13 █ Calibre █ TOS1 1.68814
14 █ Calibre █ TOS1 1.84068
15 █ Calibre █ TOS1 1.6061
16 █ Calibre █ TOS2 2.44475
17 █ Calibre █ TOS2 2.14509
18 █ Calibre █ TOS2 1.4678
19 █ Commodus █ TOS1 1.82441
20 █ Commodus █ TOS1 2.5939
21 █ Commodus █ TOS1 1.74847
22 █ Commodus █ TOS2 2.62847
23 █ Commodus █ TOS2 0.616949
24 █ Commodus █ TOS2 1.56678
25 █ Denison █ TOS1 1.72407
26 █ Denison █ TOS1 1.85763
27 █ Denison █ TOS1 1.88
28 █ Denison █ TOS2 1.54441
29 █ Denison █ TOS2 2.02305
30 █ Denison █ TOS2 1.32542
31 █ Denison/Scepter/Vixen █ TOS1 2.02102
32 █ Denison/Scepter/Vixen █ TOS1 1.28
33 █ Denison/Scepter/Vixen █ TOS1 1.6217
34 █ Denison/Scepter/Vixen █ TOS2 2.37153
35 █ Denison/Scepter/Vixen █ TOS2 1.57695
36 █ Denison/Scepter/Vixen █ TOS2 1.90508
37 █ Denison/Vixen █ TOS1 1.68407
38 █ Denison/Vixen █ TOS1 0.555254
39 █ Denison/Vixen █ TOS1 1.72
40 █ Denison/Vixen █ TOS2 3.32271
41 █ Denison/Vixen █ TOS2 0.567458
42 █ Denison/Vixen █ TOS2 1.78983
43 █ Mowhawk █ TOS1 3.16136
44 █ Mowhawk █ TOS1 2.41966
45 █ Mowhawk █ TOS1 2.6983
46 █ Mowhawk █ TOS2 3.06441
47 █ Mowhawk █ TOS2 1.93898
48 █ Mowhawk █ TOS2 1.6617
49 █ Mowhawk/Denison █ TOS1 2.19322
50 █ Mowhawk/Denison █ TOS1 1.70034
51 █ Mowhawk/Denison █ TOS1 2.7478
52 █ Mowhawk/Denison █ TOS2 1.75119
53 █ Mowhawk/Denison █ TOS2 1.62102
54 █ Mowhawk/Denison █ TOS2 1.67119
55 █ Mowhawk/Scepter █ TOS1 2.34644
56 █ Mowhawk/Scepter █ TOS1 1.81356
57 █ Mowhawk/Scepter █ TOS1 2.00068
58 █ Mowhawk/Scepter █ TOS2 2.07729
59 █ Mowhawk/Scepter █ TOS2 1.54576
60 █ Mowhawk/Scepter █ TOS2 1.92136
61 █ Mowhawk/Vixen █ TOS1 2.37424
62 █ Mowhawk/Vixen █ TOS1 0.930847
63 █ Mowhawk/Vixen █ TOS1 1.47729
64 █ Mowhawk/Vixen █ TOS2 1.93424
65 █ Mowhawk/Vixen █ TOS2 0.915254
66 █ Mowhawk/Vixen █ TOS2 1.37966
67 █ Neo █ TOS1 3.7261
68 █ Neo █ TOS1 2.93695
69 █ Neo █ TOS1 3.93152
70 █ Neo █ TOS2 2.26441
71 █ Neo █ TOS2 1.68746
72 █ Neo █ TOS2 2.31186
73 █ Rockstar  █ TOS1 1.66373
74 █ Rockstar  █ TOS1 1.06373
75 █ Rockstar  █ TOS1 1.14848
76 █ Rockstar  █ TOS2 2.83254
77 █ Rockstar  █ TOS2 0.644068
78 █ Rockstar  █ TOS2 0.907797
79 █ Scepter █ TOS1 1.42644
80 █ Scepter █ TOS1 0.678644
81 █ Scepter █ TOS1 1.74034
82 █ Scepter █ TOS2 2.66373
83 █ Scepter █ TOS2 1.49288
84 █ Scepter █ TOS2 1.8461
85 █ Scepter/Vixen █ TOS1 1.11797
86 █ Scepter/Vixen █ TOS1 1.47254
87 █ Scepter/Vixen █ TOS1 1.33559
88 █ Scepter/Vixen █ TOS2 2.32746
89 █ Scepter/Vixen █ TOS2 1.8122
90 █ Scepter/Vixen █ TOS2 2.17153
91 █ Spartacus  █ TOS1 1.83593
92 █ Spartacus  █ TOS1 2.67797
93 █ Spartacus  █ TOS1 2.17492
94 █ Spartacus  █ TOS2 2.32949
95 █ Spartacus  █ TOS2 1.96
96 █ Spartacus  █ TOS2 1.23729
97 █ Vixen  █ TOS1 1.11254
98 █ Vixen  █ TOS1 *
99 █ Vixen  █ TOS1 0.927458
100 █ Vixen  █ TOS2 1.82712
101 █ Vixen  █ TOS2 1.97763
102 █ Vixen  █ TOS2 1.65085

Grain yield t/ha

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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Tooligie Hill, SA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Tooligie Hill, SA Sodosol

Climate

Tooligie Hill SA 2024

Observed climate information

Rainfall avg ann (mm) 385mm
Rainfall avg gsr (mm) 286mm
Rainfall trial total (mm) 263mm
Rainfall trial gsr (mm) 178mm

Derived climate information

Tooligie Hill 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

2024 trial report



Trial last modified: 22-07-2026 10:41am AEST