To compare the responses of four oat varieties to changes in nitrogen rate.
To compare the responses of four oat varieties to changes in seeding rates.
To determine if there are significant variety x nitrogen x seeding rate interactions.
To provide information on the responsiveness of new varieties to management and the consequences for grain yield, grain quality, hay yield, hay quality, and overall agronomic performance.
To develop management guidelines for growers and the industry on new oat varieties.
Varieties differ in their yield, quality and response to changes in plant density.
Bannister was the best performing variety in 2016 as it out-yielded the other varieties evaluated and met Oat1 quality standards at all sites. However, Bannister should be sown to achieve a higher plant density than Carrolup.
Grain quality of newly released, short season variety Durack was not consistent with previous studies.
Choosing to grow more than one variety will maximise the strengths, and mitigate the weaknesses of oat varieties.
Lead research organisation
Department of Agriculture and Food WA
Host research organisation
Trial funding source
Trial funding source
Oat agronomy and industry development in the Western Region
I would like to acknowledge the research support of Blakely Paynter, and technical support of Helena O’Dwyer, Pam Burgess and Rod Bowey and the DAFWA Research Support Units at Northam, Merredin, Esperance and Katanning.
The research undertaken as part of this project is made possible by the significant contributions of growers through both trial cooperation and the support of the GRDC, the author would like to thank them for their continued support.
The seed rate (kg/ha) to establish the four target plant densities of 80, 160, 240 and 320 plants/m2 varied for each variety and was adjusted based on their grain weight and germination percentage. A seed rate of 80 plants/m2 = 27 to 36kg/ha, 160 plants/m
Small plot air-seeder with on-row packing press wheels.
28 April 2016
3 November 2016
10m x 1.85m
Sown into canola stubble.
<p>Basal fertiliser comprised of Summit GUSTO compound fertiliser which was treated with Uniform (40ml/L) and banded below the seed at 100kg/ha, supplying a total of 10kg N/ha, 12kg P/ha and 14kg K/ha.</p>
Seed was treated with Emerge and Vibrance at label rate.
Trial source data and summary not available Check the trial report PDF for trial results.
Site 4, Merredin WA 2016
Observed climate information
Rainfall trial gsr (mm)
Derived climate information
Site 4, Merredin WA
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.
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