Tasmanian scientists report they are close to a breakthrough that reduces the spread of powdery scab, a persistent potato soil disease that also vectors potato mop-top virus. The update comes in a Tasmanian Country Hour audio segment titled Winning the fight against Powdery Scab in potatoes and runs 7 minutes 20 seconds.
Who’s involved
Reporter Paddy Manning speaks with Calum Wilson, plant pathologist at the Tasmanian Institute of Agriculture, about new field trials designed to curb powdery scab. The program is presented by Paddy Manning and Tony Briscoe.
Why it matters
Powdery scab is described as tough, long-living, and widespread in Australian soils. If the Tasmanian trials validate, growers could see reduced disease pressure and lower risk of mop-top infections that compromise quality and storage outcomes.
Listen
The segment was published on Thursday, 25 September 2025. Listen here: https://www.abc.net.au/listen/programs/tas-country-hour/powdery-scab/105816230 ABC
Editor’s note
We will follow this research for practical implications in seed management, storage hygiene, and decision support once trial details are released publicly.
Source: ABC
Image: Potato powdery scab. Washington State University. Credit R.S. Byther
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