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Table 1 Parental origin of synthetic allotetraploids and direction of crosses

From: Similar patterns of rDNA evolution in synthetic and recently formed natural populations of Tragopogon(Asteraceae) allotetraploids

 

T. mirus

T. miscellus

Line

70

73

98

116

121

134

135

67

79

111

129

parents

♀ × ♂

2611 × 2613

2611 × 2613

2611 × 2613

2607 × 2615

2615 × 2607

2607 × 2613

2613 × 2607

2609 × 2616

2609 × 2616

2608 × 2613

2613 × 2608

1N

9

48

7

28

8

14

16

15

22

39

3

2S0

2

3

1

1

0

1

1

2

1

4

1

2S1

7

34

6

27

8

13

15

13

21

35

2

2S2

0

11

0

0

0

0

0

0

0

0

0

  1. 1total number of individuals analyzed by Southern blot hybridization.
  2. 2numbers in S0-S2 generations; the S2 was the progeny of selfed S1 parents (73-14, 73-1, 73-2) that have been analyzed in this study by molecular and cytogenetic approaches.