Table 1.

Genetic analysis of resistance to Blumeria graminis f. sp. tritici (Bgt) isolate E09 in F_1, F₂ and F_2:3 population from cross ShiCG15–009 and susceptible parent Yannong 21

Parent and Cross	Generation	Observed ratio			Expected ratio	χ2a	P
		HR	Seg	HS
ShiCG15–009	PR	10
Yannong 21	PS			10
ShiCG15–009 × Yannong 21	F1	10
ShiCG15–009 × Yannong 21	F2	79		36	3:1	2.11	0.15
ShiCG15–009 × Yannong 21	F2:3	22	57	36	1:2:1	3.42	0.18

P_R Resistant parent, Ps Susceptible parent, HR Homozygous resistant, Seg Segregating, HS Homozygous susceptible

^aValues for significance at P = 0.05 are 3.84 (df = 1) and 5.99 (df = 2)