Table 2 Summary of crosses. Crosses with more than 20 seeds were defined as successful, with 1–20 seeds as difficult and without seeds as not successful

selfings

(n = 6)

Baby Blue

1

not successful

–

–

–

Bela

3

not successful

–

–

–

Benelux

1

not successful

–

–

–

Enziandom

2

not successful

–

–

–

Hörnli

1

not successful

–

–

–

R.F. Felton

1

not successful

–

–

–

diploid x diploid

(n = 9)

Dark Angel

Paris

3

successful

76

60

58 diploids, 2 triploids

Paris

Dark Angel

1

successful

n.d.

424^a

105 diploids, 317 triploids, 2 aneuploids

Dark Angel

Sheila

4

successful

52

54

54 diploids

Sheila

Dark Angel

4

successful

47

68

34 diploids, 34 triploids

Dark Angel

Hörnli

4

not successful

–

–

–

Hörnli

Dark Angel

4

successful

81

60

19 diploids, 40 triploids, 1 tetraploid

Hörnli

Sheila

3

successful

45

60

60 diploids

Sheila

Hörnli

5

successful

64

34

2 diploids, 31 triploids, 1 tetraploid

Sweet Dreams

Bläuling

7

successful

46

70^a

69 diploids, 1 triploid

diploid x triploid

(n = 7)

Baby Blue

Bela

1

difficult

n.d.

4

aneuploids between 2x and 3x level

Baby Blue

Enziandom

2

difficult

n.d.

1

aneuploid between 2x and 3x level

Bodensee

Bela

4

successful

60

61

aneuploids between 2x and 3x level

Choco Bleu

Zorro

4

successful

32

26

aneuploids between 2x and 3x level

Libelle

Enziandom

5

successful

59

76

aneuploids between 2x and 3x level

Little Prince

Enziandom

4

successful

41

35

aneuploids between 2x and 3x level

Sweet Dreams

Blaumeise

1

successful

64

14^a

aneuploids between 2x and 4x level

triploid x diploid

(n = 9)

Bela

Baby Blue

1

not successful

–

–

–

Bela

Bodensee

5

successful

42

63

aneuploids between 2x and 3x level

Blaumeise

Sweet Dreams

1

successful

42

24^a

aneuploids between 2x and 4x level

Enziandom

Baby Blue

1

successful

n.d.

37

aneuploids between 2x and 3x level

Enziandom

Libelle

3

successful

28

35

aneuploids between 2x and 3x level

Enziandom

Little Prince

3

successful

44

42

aneuploids between 2x and 3x level

Oregon Pride

Choco Bleu

1

difficult

n.d.

3

aneuploids between 2x and 3x level

R.F. Felton

Baby Blue

2

successful

47

59

aneuploids between 2x and 3x level

Zorro

Choco Bleu

5

successful

82

110

aneuploids between 2x and 4x level

triploid x triploid

(n = 8)

Bela

Enziandom

4

not successful

–

–

–

Enziandom

Bela

3

difficult

n.d.

3

n.d.

Bela

R.F. Felton

1

not successful

–

–

–

R.F. Felton

Bela

1

not successful

–

–

–

Enziandom

R.F. Felton

1

not successful

–

–

–

R.F. Felton

Enziandom

1

not successful

–

–

–

Enziandom

Zorro

4

difficult

n.d.

10

aneuploids between 2x and 4x level

Zorro

Enziandom

3

not successful

–

–

–

diploid x tetraploid

(n = 3)

Baby Blue

Benelux

1

not successful

–

–

–

Bodensee

Benelux

4

successful

46

83

triploids

Little Prince

Benelux

1

not successful

–

–

–

tetraploid x diploid

(n = 4)

Benelux

Baby Blue

1

not successful

–

–

–

Benelux

Bodensee

5

successful

54

60

triploids

Benelux

Forever Pink

1

successful

n.d.

58

triploids

Benelux

Little Prince

1

difficult

n.d.

1

triploid

triploid x tetraploid

(n = 2)

Bela

Benelux

4

successful

34

192

aneuploids between 3x and 4x level

Enziandom

Benelux

3

difficult

n.d.

4

aneuploids between 2x and 4x level

tetraploid x triploid

(n = 2)

Benelux

Bela

1

successful

n.d.

136

aneuploids between 3x and 4x level

Benelux

Enziandom

2

difficult

n.d.

1

aneuploid between 3x and 4x level