Table III.
Endogenous ABA levels in the leaves of M. quadrifolia produced under various conditions
| Growth Condition | Leaf Form | ABA Content |
|---|---|---|
| pmol g−1 fresh wt | ||
| Culturea | ||
| Control | Submerged | 220.9 ± 11.8 |
| Blue Light | Aerial | 250.0 ± 28.5 |
| Field | Aerial | 266.4 ± 105.7 |
Aerial leaves grown in the field or induced by blue light in culture contain ABA levels similar to submerged leaves produced in culture. ABA contents are the averages ± sd of three samples. Leaves were pooled from different plants to give 1 to 2 g fresh weight of tissue per sample. ABA contents were detected with ELISA using monoclonal antibodies against ABA.
a
Plants were cultured in the basal medium (Laetsch, 1967). The leaves were harvested from plants grown in culture for 7 weeks.