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Table 1 Estimation of the linkage relationships between the FeDFR1a and FeDFR2 loci

From: A new buckwheat dihydroflavonol 4-reductase (DFR), with a unique substrate binding structure, has altered substrate specificity

Locus

Genotype

χ2 values

FeDFR1a

A 1 A 1

A 1 A 2

A 2 A 2

χr2*

ΧDFR1 2

ΧDFR2 2

χL2

FeDFR2

B 1 B 1

B 1 B 2

B 2 B 2

B 1 B 1

B 1 B 2

B 2 B 2

B 1 B 1

B 1 B 2

B 2 B 2

Plants

22

7

0

4

39

3

0

5

17

198.39

1.27

1.00

196.12

(P < 0.01)

(0.5 < P < 0.6)

(0.6 < P < 0.7)

(P < 0.01)

  1. * χr2 (independence)
  2. The linkage distance was estimated as 10.5 cM by using version 2.0 of the MapDisto software [26]