Table 4. Effect of seaweed extracts on chlorophyll a, chlorophyll b, and total chlorophyll content of soybean leaf at flowering stage under well-watered and drought conditions.
Lowercase letters indicate that mean values are significantly different from one another.
| Seaweed extracts | Chlorophyll a (mg/g FW) | Chlorophyll b (mg/g FW) | Total chlorophyll (mg/g FW) | |||
|---|---|---|---|---|---|---|
| Well-watered | Drought | Well-watered | Drought | Well-watered | Drought | |
| 0.0% | 1.42 ± 0.03* | 1.21 ± 0.02 | 1.08 ± 0.03 | 0.9 ± 0.10 | 2.50c ± 0.02 | 2.11d ± 0.08 |
| 5.0% | 1.51 ± 0.03 | 1.47 ± 0.03 | 1.17 ± 0.03 | 1.2 ± 0.04 | 2.68b ± 0.05 | 2.68b ± 0.01 |
| 10.0% | 1.60 ± 0.05 | 1.57 ± 0.03 | 1.30 ± 0.04 | 1.26 ± 0.03 | 2.90a ± 0.09 | 2.83a ± 0.06 |
| Level of significance | NS | NS | ** | |||
| CV (%) | 2.2 | 4.2 | 2.2 | |||
Notes:
*
Mean values ± SE.
**
for p < 0.01.
FW, fresh weight; NS, non-significant; CV, coefficient of variation.