Nicotine (μg/g)

Nornicotine (μg/g)

Conversion (%)

Generation

Mean

Variance

Mean

Variance

Mean

Variance

TN 90

12,599

3,570,178

397

45,556

3.14

3.88

BY 37

202

168,382

8674

1,304,658

98.06

15.08

Parents average

6401

4535

50.60

F₂

6295

20,506,162

5272

13,325,445

48.36

1108.81

BC-TN 90

10,411

11,542,958

1642

5,857,273

15.15

523.55

BC-BY 37

1697

5,433,430

8753

5,630,094

84.53

421.90