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Table 5 Seed-set from backcrossing verified tetraploid progeny plants of 440–1 to white clover (WC)

From: Experimental evidence for the ancestry of allotetraploid Trifolium repens and creation of synthetic forms with value for plant breeding

Female

WC male

No. heads

No. seeds

Seeds/head

440–1 OP-3

(PxB)-17

4

64

16

440–1 OP-8

C21557-1

1

22

22

440–1 OP-8

Will-2

3

53

18

440–1 OP-9

(PxB)-5

1 damaged

2

2

440–1 OP-21

(PxB)-5

3

39

13

440–1 OP-57

(PxB)-5

3

32

11

440–1 OP-70

C21557-1

2

5

3

440–1 OP-72

C21557-1

3

68

23

440–1 OP-76

C21557-1

2

7

4

440–1 OP-88

(PxB)-5

3

122

41

440–1 OP-90

C21557-1

2

2

1

440–1 OP-110

C21557-1

3

0

0

WC control

(PxB)-5

1

105

105

440–1 OP-3 self-5

(PxB)-5

3

10+3 small

3–4

440–1 OP-3 self-12

(PxB)-5

3

14+7 small

4–7