Williams: a milling quality oat for Western Australia

Page last updated: Tuesday, 22 May 2018 - 12:02pm

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Quality

In accordance with commercial acceptance protocol for assessment of potential milling varieties, Williams was commercially grown in Western Australia and was test milled at Quaker Oats Forrestfield facility. Tests undertaken by Quaker Oats showed that Williams milled very well with qualities that will be appreciated by both Australian and overseas millers.

Williams is a milling variety with hectolitre weight similar to Kojonup and slightly lower than Carrolup. Screenings are similar to Carrolup and its groat percent is slightly lower than Carrolup and Mitika.

Table 2 Average physical grain quality characters for Wiliams compared with nine other varieties
Variety Hectolitre weight (kg/hl) 1000 grain weight (g) Screenings (% 2.0mm)
Bannister 48.9 35.2 6.9
Carrolup 50.5 35.0 8.4
Durack 51.5 35.6 5.8
Kojonup 47.9 35.5 6.3
Kowari 48.7 37.0 5.0
Mitika 49.7 37.6 4.3
Wandering 47.6 35.8 6.7
Williams 48.0 33.1 9.3
Yallara 49.9 34.9 4.9
No. trials 50 37 49
Table 3 Average chemical grain quality characters for Williams compared with nine other varieties
Variety NIR protein (%) NIR oil (%) NIR groat (%) Grain brightness Estimated metabolisable energy (MG/kg dm) B-glucan (dry basis) Hull lignin
Williams 11.1 6.8 71.7 - - - -
Bannister 11.1 7.1 75.1 59.1 12.0 4.3 (3) High
Carrolup 13.1 5.5 75.6 60.0 11.7 4.7 (3) High
Kojonup 13.4 5.6 78.4 60.2 12.0 5.4 (2) High
Mitika 12.6 6.5 75.6 58.8 12.6 5.5 (3) Low
Possum 12.5 5.7 76.3 58.6 11.7 4.9 (3) High
Potoroo 11.6 6.6 74.4 61.0 11.8 5.0 (3) High
Wandering 12.3 6.2 74.2 61.7 11.6 4.9 (3) High
Yallara 11.6 4.6 79.3 61.3 11.7 5.1 (3) High
No. Trials 48 42 40 34 15 - -

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Author

Jennifer Garlinge