Lr24

Lr24 is effective against most leaf rust races in Australia. The gene is present widely in current wheat varieties

Key Information

Crop

Wheat

Disease resistance(s)

Wheat leaf rust

Resistance type

All stage resistance

Source

Agropyron elongatum

First reported

McIntosh RA , Dyck PL, Green GJ. Inheritance of leaf rust and stem rust resistances in wheat cultivars Agent and Agatha. Aust. J. Agric. Res., 1976, 28, 37-45

Linked Phenotypes

Sr24

Chromosomal location

3DL/3Ae

Germplasm availability

Widespread in Australian wheat cultivars e.g., LRPB Lancer, RGT Cesario, Sunmaster and also several back crossed liines are available

Markers

PCR

Marker Type	Marker Name	Forward Primer	Reverse Primer	Size (bp): Resistant allele/Susceptible allele	Published location
PCR	SCS1302	CGCAGGTTCCAAATACTTTTC	CGCAGGTTCTACCTAATGCAA	607	Gupta, S.K., Charpe, A., Koul, S. et al. Development and Validation of SCAR Markers Co-Segregating with an Agropyron Elongatum Derived Leaf Rust Resistance Gene Lr24 in Wheat. Euphytica 150, 233–240 (2006). https://doi.org/10.1007/s10681-006-9113-8
PCR	SCS1326	GCATCGTGCAGCTAGTTCTG	AGGCATCGTGAAAAGAGAACA	613	Gupta, S.K., Charpe, A., Koul, S. et al. Development and Validation of SCAR Markers Co-Segregating with an Agropyron Elongatum Derived Leaf Rust Resistance Gene Lr24 in Wheat. Euphytica 150, 233–240 (2006). https://doi.org/10.1007/s10681-006-9113-8
PCR	SCOAB-1	CTCGGGACAACCAACGAG	GGTAGGGTGGGCATATTAACC	365	Gupta, S.K., Charpe, A., Koul, S. et al. Development and Validation of SCAR Markers Co-Segregating with an Agropyron Elongatum Derived Leaf Rust Resistance Gene Lr24 in Wheat. Euphytica 150, 233–240 (2006). https://doi.org/10.1007/s10681-006-9113-8