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Why yellow rust ratings changed for some varieties in 2021 >More in © Tim Scrivener An online early warning system and a revamp of variety yellow rust resistance ratings have been introduced for 2021 to help wheat growers tackle an increasingly diverse pathogen. With the risk of yellow rust increasing every year as the disease evolves, the new measures should help to reduce the discrepancies that have been seen in the field in recent years and provide better discrimination between varieties. As previously reported in Farmers Weekly, unexpected disease outbreaks on varieties considered to be resistant have been a feature of the past two seasons, with new yellow rust races emerging sporadically and often having a random distribution – leading to localised infections and differences within areas.

United kingdomMartyn coxTom meadTim scrivenerCatherine harriesDavid hurstUnited kingdom cereal pathogen virulence surveyFarmers weeklyWatch listRecommended listMonitor farmSouth cambridgeshireYellow rust watchஒன்றுபட்டது கிஂக்டம்மார்டின் காக்ஸ்டோம் மீட்