Varietal resistance to potato blight re-evaluated

The resistance ratings of 20 of the most popular potato varieties to current dominant blight strains, including (blue) 13_A2, are being evaluated in a new LINK-funded project.

Carried out by SAC, ADAS and SCRI the project aims to give growers contemporary ratings information and provide an early warning of any deterioration in cultivar resistance caused by new strains of blight.

The aim is to produce robust data and a model that growers can use to support an integrated approach to blight control based on varietal resistance.

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