F1 F2 reaction* R Total tested R S c23:1 P 16 182 136 46 0.0072 0.9323

No. of F2 families for F3 testing R in F2 S in F2 R S NSeg Seg c21:2 P NSeg Seg 136 46 41 95 0.6208 0.7331 46 0

*R: Leaf Rust Resistant; S: leaf rust susceptible, #NSeg: Non-Segregating Family for Leaf Rust; Seg: Segregating Family for Leaf Rust.

Table 1: Reaction of wheat plants in F1, F2 and F3 generations of the cross Pbw343+Lr24 X CSP44+Lr48 at seedling stage (DC 11) to infection by the leaf rust pathotype 77-5 under controlled conditions.