Table 3. Number of shoots per explant and tetraploids or chimeric plants obtained through colchicine treatment in Scoparia montevidiensis.

 

Treatment

No. of shoots per explants
(mean ± SD)z

No. of plants analyzed

No. of plants

Conc. of Colchicine (%)

Duration
(hours)

2X/4X

4X

Control 1 y

---

11.16 ± 1.16 a

5

0

0

Control 2 x

24

12.12 ± 1.80 a

10

0

0

Control 2'x

48

12.20 ±  1.70 a

5

0

0

Control 3 w

24

11.00 ± 1.41 a

5

0

0

Control 3' w

48

11.17 ± 1.16 a

5

0

0

0.001

24

11.00 ± 2.44 a

50

3

2

0.001

48

12.50 ± 2.07 a

24

1

1

0.01

24

9.57 ± 1.71 a

35

1

0

0.01

48

10.71 ± 1.97 a

40

1

0

0.05

24

9.00 ± 3.34 a

60

6

1

0.05

48

9.87 ± 2.79 a

40

2

0

0.1

24

6.85 ± 2.41 b

50

1

0

0.1

48

6.57 ± 1.51 b

70

0

0

Total

379

15

4

z Same letter indicates no significant differences.
y Untreated plants.
x Water treatment
w DMSO treatment.

 

Supported by UNESCO / MIRCEN network