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. 2025 Jul 22;138(8):190. doi: 10.1007/s00122-025-04974-0

Table 1.

Chi-square test for segregation ratios of resistant and susceptible plants in F2 populations

F2 population R MS S Total R MS + S E(R) E(S) χ2 [1R:3(M + S)] P-value
F2.UU 55 97 43 195 55 140 48.75 146.25 1.068 0.30
F2.MU 19 11 49 79 19 60 19.75 59.25 0.038 0.85
F2 74 108 92 274 74 200 68.5 205.5 0.589 0.44