Return to study ST002430 main page
MB Sample ID: SA242933
Local Sample ID: | OilPalm_Drought_Stressed_R3_NEG |
Subject ID: | SU002519 |
Subject Type: | Plant |
Subject Species: | Elaeis guineensis Jacq. |
Taxonomy ID: | NCBI:txid51953 |
Select appropriate tab below to view additional metadata details:
Treatment:
Treatment ID: | TR002531 |
Treatment Summary: | The experiment consisted of treatments—control and drought-stressed plants—with four plants kept in a substrate in the field capacity (control), and four plants submitted to drought stress. The young oil palm plants were subjected to treatments when they were in the growth stage known as “bifid” saplings. Drought stress consisted of total suppression of irrigation for 14 consecutive days. At the end of this period, the substrate water potential, as measured by the water potential meter Decagon mod. WP4C (Decagon Devices, Pullman, WA, USA), was 0.19 ± 0.03 MPa (control) and − 13.61 ± 1.79 MPa (drought stress), while the relative water content of leaves was 90.50 ± 0.95% (control) and 49.18 ± 9.76% (stressed plants). Before the onset of drought stress, oil palm leaves had the highest gas exchange rates, as measured by an infrared gas analyzer Li-Cor model 6400XT (Li-Cor, Lincoln, NE, USA). Under drought, leaf gas exchange rates in drought-stressed plants dropped to negligible values (data not shown). |