Williams: a milling quality oat for Western Australia

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

Please note: This content may be out of date and is currently under review.

Disease resistance

Williams is moderately resistant to stem rust and resistant to leaf rust in WA. It also has improved septoria resistance compared to Carrolup and Wandering.

Table 4 Stem rust, leaf rust, barley yellow dwarf virus (BYDV) and septoria reactions in ten grain varieties in WA
Variety Stem rust Leaf rust BYDV Septoria
Williams MR R MR-MS MS
Bannister R-MR R MS S
Carrolup MS S MS S-VS
Durack MR-MS R-S MS-S S-VS
Kojonup R-MS S MS S-VS
Kowari S R MS S
Mitika MR-S R S S-VS
Potoroo MS S MS S
Wandering MS VS MR-MS S-VS
Wombat MR-S S MR S
Yallara MR-MS R MS S

R = resistant, MR = moderately resistant, MS = moderately susceptible, S = susceptible, VS = very susceptible.  Rust reactions may vary in different regions depending on the prevailing pathotypes.

Seed availability

Williams is available through Heritage Seeds.

The National Oat Breeding Program

The National Oat Breeding Program is a partnership between:

Its mission is to release improved oat varieties for grain or hay production, adapted to Western Australia, South Australia, Victoria and southern New South Wales.

Contact information


Jennifer Garlinge