New Wheat Gene Yr88 Explains 86% of Resistance to Stripe Rust
28 September 2026, New South Wales, Australia: Researchers at the University of Sydney’s Plant Breeding Institute in Cobbitty, New South Wales,
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Rust Resistance Breeding
Get the latest Rust Resistance Breeding news, research and developments covering genetic resistance to stem rust, leaf rust and stripe rust in wheat and other crops. Coverage includes resistant varieties, disease-resistant germplasm, breeding programmes, resistance genes, molecular markers and technologies for developing crops with more durable protection against evolving rust pathogens.
Modern breeding combines conventional crossing with marker-assisted selection, QTL mapping, genome-wide association studies, genomic selection and gene pyramiding. In wheat, researchers have identified more than 300 QTLs and numerous Yr genes associated with stripe rust resistance, while recent studies continue to uncover new sources of broad-spectrum and adult-plant resistance.
Find updates on new resistance genes, germplasm screening, pathogen races, molecular breeding and the development of resistant cultivars. Recent research includes the identification of the Yr83 gene with broad-spectrum stripe rust resistance and the mapping of Yr88, while marker-assisted breeding programmes are combining multiple Yr genes to improve the durability of resistance in high-yielding wheat varieties.