Table 1.
Phenotypic characterization of maize seedlings
| |
|
Low temperature |
Low nitrogen |
Low phosphorus |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Growth feature | Unit | Control T | Cold | % | Control N | Low N | % | Control P | Low P | % |
|
shoot FW |
g FW |
16.23 |
6.40 |
39.42 |
60.00 |
17.58 |
29.29 |
60.60 |
24.81 |
40.94 |
| |
|
(±4.25) |
(±0.79) |
|
(±3.69) |
(±2.18) |
|
(±4.18) |
(±2.48) |
|
|
leaf elongation rate |
cm d-1 |
6.51 |
3.87 |
59.38 |
7.17 |
4.35 |
60.70 |
6.03 |
4.18 |
69.38 |
| (±0.65) | (±0.72) | (±0.58) | (±0.61) | (±0.29) | (±0.21) | |||||
Stressed and control plants were always grown within the same experiment. Plants from the low temperature experiment were harvested 20 days after germination; in the nutrient deficiency experiment, plants were harvested 30 days after germination.