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New study reveals how wheat stem rust overcomes genetic resistance

Niab is part of an international research team, led by Prof Melania Figueroa of the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia, that has created a detailed map of avirulence (Avr) genes in wheat stem rust – the fungal disease responsible for some of the most damaging wheat epidemics worldwide. The study shows how changes in these pathogen genes can allow new strains to infect wheat varieties that were previously protected by resistance genes.

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