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Environmental Sciences Europe

Table 1 Review of hybridisation of Brassica napus with related wild species (Geneera 2004; Fitzjohn et al. 2007, modified)

From: Regionalisation of flora elements in field boundaries sensitive to hybridisation with genetically modified oilseed rape

 

Success of experim. Hybridisation (M/F)

Median rate of hybridisation (M/F)

Success of natural hybridisation/No. trials

Success of hybrid backcross productiona(M/F)

Success of hybrid F2 productiona(M/F)

Additional referencesb

Brassica rapa

55:8/84:0

0.44/2.29

yes/19

5:4/13:0

43:3/35:0

1, 2, 3, 4, 19, 26

Raphanus raphanistrum

0:4/3:2

0/0c

yes/6

-/1:2

1:0/12:2

5, 6, 7, 8, 9

Diplotaxis muralis

3:0/1:1

0.19/03

–

–

3:0/–

10, 11, 12

Diplotaxis tenuifolia

0:3/1:1

0/0c

–

–

–

11, 13, 14, 27

Brassica nigra

2:2/4:2

0c/0c

no/4

–

1:0/2:0

9, 16, 17, 19

Brassica oleracea

3:11/9:17

0c/0c

yes, no/1, 1

2:0/17:0

3:0/20:1

9, 16, 18

Erucastrum gallicum

0:1/1:0

0/0c

no/1

–/0:1

–/2:0

20, 21, 28

Hirschfeldia incana

1:2/1:2

0c/0c

yes/4

–

1:0/3:0

9, 15, 22

Raphanus sativus

1:5/1:2

0c/0c

no/1

–/0:4

–/1:0

9, 23

Rapistrum rugosum

–/1:0

–/0.71

–

–

–

9, 24

Sinapis alba

0:6/1:2

0/0c

no/1

–

1:0/–

9, 14, 22

Sinapis arvensis

1:10/5:8

0c/0c

yes, no/1, 6

0:1/5:3

0:2/5:3

9, 15, 19, 25

  1. aNo. of hybridisation trials where OSR was the male (M) or female (F) parent (successes:failures) (Fitzjohn et al. 2007).
  2. bReferences: 1: Jorgensen et al. (2006); 2: Mikkelsen et al. (1996); 3: Metz et al. (1997); 4: Scott and Wilkinson (1998); 5: Eber et al. (1994); 6: Kerlan et al. (1993); 7: Darmency et al. (1998); 8: Rieger et al. (2001); 9: Scheffler and Dale (1994); 10: Salisbury (1991); 11: Ringdahl et al. (1987); 12: Birjal and Sharma (1996); 13: Salisbury (1989); 14: Klewer et al. (2003); 15: Plümper (1995); 16: Siemens (2002); 17: Bing et al. (1991); 18: Ford et al. (2006); 19: Brown and Brown (1996); 20: Warwick et al. (2003); 21: Lefol et al. (1997); 22: Raybould and Gray (1993); 23: Lelivelt and Krens (1992); 24: Heyn (1977); 25: Luo et al. (2000); 26: Warwick et al. (2007); 27: Pascher et al. (2000).
  3. cAt least one case of hybrid production was reported.
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