Genotype

Somatic chromosome number

Number of PMC

Meiotic configurations

Anaphase I disjunction

Pollen stainability


  
I

II

III

IV
  

  
$\overline{\text{x}}$ (range)

$\overline{\text{x}}$ (range)

$\overline{\text{x}}$ (range)

$\overline{\text{x}}$ (range)
  

440–1

2n=2x=16

>300

0 (0)

8 (0)

0 (0)

0 (0)

8–8

5%

88–01

2n=4x=32

80

0 (0)

8 (6–10)

0 (0)

4 (3–5)

16–16

78%

440–1 OP3

2n=4x=32

70

0 (0)

8 (6–14)

0 (0)

4 (1–6)

16–16

18%

440–1 OP9

2n=4x=32

55

0 (0)

9 (8–14)

0 (0)

3.5 (1–4)

16–16

27%

440–1 OP 55

2n=4x=32

63

0 (0)

8.2 (6–12)

0 (0)

3.9 (2–5)

16–16

53%

440–1 OP88

2n=4x+1=33

13

2.2 (1–5)

8.1 (2–14)

0.85 (0–2)

3.0 (0–5)

1617

43%

440–1 OP153

2n=3x=24

43

2.0 (1–4)

2.6 (1–5)

5.6 (4–7)

0 (0)

12–12*

11%

F_{2} (2x)^{†}

2n=2x=16

475

0 (0)

8 (0)

0 (0)

0 (0)

88
 
 * two cells showed 1113 disjunction and approximately 10 showed lagging chromosomes at anaphase I.
 seven verified 2x plants produced from open pollination of 440–1. Two cells from one plant had 7 II and 2 I.