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Researcher(s) |
Cameron Copeland Felicity Harris Hugh Kanaley Ian Menz Jessica Simpson |
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Year(s) | 2019 |
Contributor | Department of Primary Industries NSW |
Trial location(s) |
Takada, NSW
|
Further information | View external link |
In 2019, field experiments were conducted across 10 sites in the northern grains region (NGR) to determine the influence of phenology on grain yield responses for a diverse set of wheat genotypes.
• Phenology and grain yield responses were significantly influenced by seasonal conditions in 2019.
• Severe heat stress and terminal drought conditions favoured faster developing spring genotypes, which achieved the highest grain yields in 2019.
• Grain yield responses varied in response to sowing date, and highest yields occurred when phenology was matched with recommended sowing windows.
Lead research organisation | N/A |
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Host research organisation | N/A |
Trial funding source | GRDC BLG104 |
Trial funding source | DPI NSW |
Related program | N/A |
Acknowledgments |
This experiment was part of the project ‘Optimising grain yield potential of winter cereals in the northern grains region’, BLG104, 2017–20, a joint investment by GRDC and NSW DPI under the Grains Agronomy and Pathology Partnership (GAPP). |
Other trial partners | Not specified |
Crop type | Cereal (Grain): Wheat |
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Treatment type(s) |
|
Trial type | Experimental |
Trial design | Replicated |
Sow rate or Target density | 140 plants/m2 |
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Sowing machinery |
Direct drilled with DBS tynes spaced at 240 mm using a GPS auto-steer system |
Sow date | Multiple - please see report |
Harvest date | Multiple- Please see report |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser |
• 90 kg/ha mono-ammonium phosphate (MAP) (sowing). • 42 kg N/ha urea (28 June). |
Herbicide |
Knockdown • Glyphosate (450 g/L) 2 L/ha. Pre-emergent • Sakura® 118 g/ha + Avadex Xtra 1.6 L/ha + Trifluralin (480 g/L) 0.8 L/ha. In-crop • Axial® 300 mL/ha + Precept® 2 L/ha (SD1 and SD2: 13 May). • LVE MCPA 570 600 mL/ha + Paradigm 25 g/ha (SD3 and SD4: 18 July). • Axial® 300 mL/ha (SD3 and SD4: 25 July). |
Fungicide |
Fertiliser treatment • Flutriafol 250 g/L (400 mL/ha). Foliar fungicide • Prosaro® 300 mL/ha (SD1 and SD2: 4 June, SD3 and SD4: 28 August) |
Seed treatment | Hombre® Ultra 200 mL/100 kg. • Gaucho® 600 120 mL/100 kg. |
Other trial notes |
This research paper is an extract from the publication Southern NSW Research Results 2020, available at |
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.