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Table 1 Segregation analysis of the F2 families derived from crossing NIL7 with HJX74

From: Identification of S23 causing both interspecific hybrid male sterility and environment-conditioned male sterility in rice

Chromosome Molecular marker No. of F2 plants χ2(1:2:1) P value
H/H H/G G/G
7 RM47 85 113 13 50.20 5.51E-15***
M429 86 118 7 67.39 3.24E-14***
M22060 89 116 6 62.12 2.33E-15***
PSM148 90 109 12 57.90 2.67E-13***
M22172 81 109 20 35.58 1.73E-08***
12 RM17 54 97 58 1.24 0.541
MM2968 53 97 59 1.43 0.491
  1. Note: H/H, G/G and H/G represented the homozygous genotype for HJX74, O. gulmaepatula and the heterozygous genotype, respectively, at the corresponding molecular markers. P value was determined with a Student’s t-test analysis. *** represented significance at P = 0.001