Survey seeks infected cereal leaf samples as rusts and mildews peak

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Growers, agronomists, plant breeders and trials operators are being reminded to send in samples of infected leaf materials for analysis by the UK Cereal Pathogen Virulence Survey (UKCPVS).

Funded by AHDB, the UKCPVS uses leaf material infected with wheat yellow rust, as well as wheat brown rust and cereal mildews.

From these leaf samples, pathogen isolates are selected and tested to check their virulence against wheat and barley varieties. The testing can detect new races of cereal pathogens capable of causing disease on previously resistant cereal varieties.

Although samples are welcomed at any time of the year, the majority are received in May, June and July – the peak of the rust and mildew season.

Samples can be from any variety but the UKCPVS team is especially interested in varieties that are showing unusual levels of disease.

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