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Australian Cereal Rust Control Program

Resistance Genes

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Wheat Wheat leaf rust All stage resistance
Lr42
Last updated: 10/29/2024
Lr42 has been used extensively in the CIMMYT international wheat breeding program with resulting cultivars deployed in several countries. The gene has been cloned
Wheat Wheat leaf rust Adult plant resistance
Lr49
Last updated: 11/15/2023
N/A
Wheat Wheat leaf rust Adult plant resistance
Lr78
Last updated: 11/15/2023
New source of APR leaf rust resistance has not been used in Australia
Wheat Wheat leaf rust Adult plant resistance
Lr77
Last updated: 11/15/2023
New source of APR leaf rust resistance has not been used in Australia
Wheat Wheat leaf rust All stage resistance
Lr82
Last updated: 10/29/2024
New source of leaf rust resistance, present in wheat cultivar Tungsten
Wheat Wheat leaf rust All stage resistance
LrAW2
Last updated: 11/15/2023
New source of leaf rust resistance in durum wheats
Wheat Wheat leaf rust All stage resistance
Lr79
Last updated: 11/15/2023
N/A
Wheat Wheat leaf rust All stage resistance
Lr24
Last updated: 10/29/2024
Lr24 is effective against most leaf rust races in Australia. The gene is present widely in current wheat varieties
Wheat Wheat leaf rust All stage resistance
Lr23
Last updated: 10/29/2024
Lr23 is widely used in Australian durum and bread wheats. Virulence is present but the gene can still provide effective resistance in combination with other genes
Wheat Wheat leaf rust Adult plant resistance
Lr68
Last updated: 10/29/2024
Provides Adult plant resistance to wheat leaf rust