Table 3.

Evaluation of the natural infection level caused by B. graminis on the BC₁F₁, BC₂F₁ and BC₂F₂ hybrids of (Ae. variabilis × S. cereale) × triticale ‘Lamberto’ that carried or did not carry the Pm13 marker

Generation	Number of plants				Means (range) of infection scores
	With Pm13 marker		Without Pm13 marker		With Pm13 marker		Without Pm13 marker
					1	2	3	4
	Ae. variabilis	hybrids	triticale ‘Lamberto’	hybrids	Ae. variabilis	hybrids	triticale ‘Lamberto’	hybrids
BC1F1	20	5	20	12	8.25 (7–9)	7.40 (6–8)	2.90 (2–4)	3.50 (2–4)
BC2F1	20	15	20	10	8.10 (7–9)	6.80 (6–8)	2.95 (2–4)	2.90 (2–4)
BC2F2	20	26	20	24	8.05 (7–9)	6.62 (6–8)	2.85 (2–4)	2.92 (2–4)
Tukey’s Honest Significant Difference (HSD) test
Generation	HSD level		1 vs 2	1 vs 3	1 vs 4	2 vs 3	2 vs 4	3 vs 4
	HSD0.05	HSD0.01
BC1F1	0.81	1.00	P < 0.05	P < 0.01	P < 0.01	P < 0.01	P < 0.01	n/s
BC2F1	0.68	0.83	P < 0.01	P < 0.01	P < 0.01	P < 0.01	P < 0.01	n/s
BC 2 F 2	0.59	0.72	P < 0.01	P < 0.01	P < 0.01	P < 0.01	P < 0.01	n/s