Table II.
Phenotypic characteristics of wild-type and transgenic Arabidopsis plants expressing pumpkin GA oxidases
Results are shown as mean ± se (n = 5).
| Wild Type
|
CmGA7ox
|
CmGA3ox1
|
Wild Typea
|
CmGA20ox1a |
CmGA2ox1a
|
||||
|---|---|---|---|---|---|---|---|---|---|
| AS15.9 | S12.8 | AS5.9 | S17.7 | S17.2 | AS7.7 | S12.9 | |||
| Final heightb (cm) | 35.0 ± 2.4 | 36.7 ± 1.8 | 50.8 ± 0.6 | 30.7 ± 1.0 | 52.6 ± 2.0 | 38.9 ± 2.4 | 11 ± 0.8 | 39.3 ± 2.2 | 4.84 ± 0.4 |
| Internode lengthbc (cm) | 1.38 ± 0.1 | 1.70 ± 0.3 | 2.42 ± 0.1 | 1.30 ± 0.1 | 2.44 ± 0.2 | 1.40 ± 0.1 | 0.90 ± 0.1 | 1.90 ± 0.1 | 0.68 ± 0.1 |
| Siliquesbd (no.) | 22.0 ± 1.8 | 27.2 ± 0.7 | 43.8 ± 0.7 | 22.4 ± 1.0 | 54.2 ± 1.5 | 36.4 ± 0.5 | 10.4 ± 2.6 | 40.2 ± 1.0 | 6.8 ± 1.8 |
| Flowering timee (d) | 42.6 ± 1.0 | 41.4 ± 0.5 | 34.2 ± 1.5 | 42.6 ± 0.5 | 30 ± 1.6 | 41.2 ± 0.4 | 50.4 ± 1.3 | 42.0 ± 1.4 | 57.0 ± 0.9 |
a
Plants were transferred to soil after 28 d in Murashige and Skoog medium containing 10−6 m GA3.
b
Nine-week-old plants.
c
The first internode of the main inflorescence.
d
Number per plant.
e
When the first flower appears.