Table 1 Identifying essential derivation in C. vulgaris.

1

Niederohe

'Sandy'

2

San Remo

'Annegret'

3

'Adrie'

4

'Allegro'

5

'Boskoop'

6

'Carmen'

7

'C. W. Nix'

8

'Dark Beauty'

9

'Findling'

10

'Glenmorangie'

11

'Johnson's Variety'

12

'Long White'

13

'Mariella'

14

'Marlies'

15

'McDonalds of Glencoe'

16

'Minima Smith's Variety'

17

'Mrs. Pinxteren'

18

'Multicolor'

19

'Orange Queen'

20

'Peace'

21

'Radnor'

22

'Sandhammeren'

23

'Silver Knight'

24

'Underwoodii'

25

'Wickwar Flame'