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Infection types (ITs) observed on nine durum genotypes inoculated with Puccinia graminis f. sp. tritici race TCMJC and incubated at 22℃ in two replications with two leaves per replication shown per genotype.
In both replications, genotypes carrying the R1 haplotype (Rusty‐KL‐B, Rusty‐KL‐C, Wells and Lakota) exhibit similar susceptibility to TCMJC as Rusty. Genotypes carrying the R2 and R3 haplotype (Rusty‐14803, Rusty‐ST464‐C1, Langdon, and PI 387696) exhibit resistant ITs.
