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Table 1 Segregation of CTV resistance and transgene in BC progenies

From: Fast-track breeding system to introduce CTV resistance of trifoliate orange into citrus germplasm, by integrating early flowering transgenic plants with marker-assisted selection

Generation

Obtained seeds

Analyzed seeds

CTV (+) Trans gene (+)

CTV (−) Trans gene (+)

CTV (+) Trans gene (−)

CTV (−) Trans gene (−)

F1

32

31

7

8

7

9

BC1

136

125

19

46

16

44

BC2

576

156

46

42

33

35

BC3

146

79

22

16

26

15