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Table 2 Calculation of number of VRN genes in tetraploid wheat species

From: Molecular characterization of vernalization loci VRN1 in wild and cultivated wheats

Species, accessions Segregation into spring vs. winter forms in the F2generation Genotype (Haploid)
  BWE (vrn-A1) BS1E (Vrn-A1) BS2E (Vrn-B1)  
T. durum cv. Kristall ( Vrn-D4) 50:161) 116:132) 122:62) Vrn-D4
T. turgidum K-16156 187:571) 60:52) 28:32) vrn-A1vrn-B1Vrn-Т
T. turanicum K-15993 - 157:102) 69:72) vrn-A1vrn-B1Vrn-T
  1. BWE - cv. T. dicoccum Black Winter Emmer, i: BS1E - Black Spring Vrn-A1
  2. Emmer, i: BS2E - Black Spring Vrn-B1 Emmer, Kristall(Vrn-D4) - introgressive spring line of T. durum winter cv. Kristall with dominant gene Vrn-D4.
  3. 1)- monogenic control, χ2 value for ratio is not higher than 3.84
  4. 2)- digenic control, χ2 value for ratio is not higher than 3.84