To assess different management strategies for blackleg, while assessing Prosaro as the only foliar in crop option in canola for blackleg management.
Key messages
Occurrence of blackleg infection was generally low at Westmere in 2013.
The ‘Rolls Royce’ treatment of Jockey seed treatment, Impact on fertiliser and two applications of Prosaro yielded significantly higher than the control (600 kg/ha difference).
All treatments that received foliar applied Prosaro had significantly less infection at green bud compared to only seed or fertiliser fungicide or nothing.
Prosaro’s ability to control blackleg is clear however yield results in a year with low blackleg burden make it difficult to distinguish between in furrow and foliar fungicide control.
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Jockey & Impact & Prosaro 4-6 leaf and Green bud
3.73
2
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Jockey & Impact & Prosaro 4-6 leaf
3.71
3
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Jockey (20L/T)
3.65
4
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Jockey & Impact on MAP
3.57
5
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Impact on MAP (400ml/ha)
3.52
6
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Impact & 1 Prosaro (375ml/ha at 4-6 leaf)
3.52
7
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Impact & 2 Prosaro (375ml/ha at 4-6 leaf and green bud)
3.47
8
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Jockey & 2 Prosaro (375ml/ha at 4-6 leaf and green bud)
3.36
9
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Jockey & 1 Prosaro (375ml/ha 4-6 leaf)
3.33
10
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Control (untreated)
3.09
11
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Grain yield t/ha
Climate
Derived climate information
No observed climate data available for this trial. Derived climate data is
determined from trial site location and national weather sources.
Westmere VIC
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.
