Table 18 Effect of benzoic, t-cinnamic, and salicylic acids levels on some biochemical constituents of flax plants grown under sandy soil conditions (data are means of two successive seasons)
Treatments | Chlorophyll a (mg/g FW) | Chlorophyll b (mg/g FW) | Carotenoids (mg/g FW) | Total pigments (mg/g FW) | IAA (μg/g FW) | Phenolic content (mg/100 g FW) | |
|---|---|---|---|---|---|---|---|
Control | 1.192 | 0.445 | 0.391 | 2.028 | 23.47 | 49.76 | |
Benzoic acid | 50 | 1.585 | 0.556 | 0.448 | 2.589 | 34.79 | 73.74 |
75 | 1.679 | 0.595 | 0.528 | 2.802 | 46.23 | 97.41 | |
100 | 1.594 | 0.591 | 0.493 | 2.678 | 41.23 | 88.00 | |
T-cinnamic acid | 50 | 1.473 | 0.532 | 0.461 | 2.466 | 34.82 | 73.82 |
75 | 1.545 | 0.560 | 0.529 | 2.634 | 50.83 | 107.41 | |
100 | 1.529 | 0.589 | 0.500 | 2.617 | 47.77 | 101.64 | |
Salicylic acid | 50 | 1.460 | 0.589 | 0.450 | 2.500 | 37.60 | 79.71 |
75 | 1.458 | 0.652 | 0.451 | 2.562 | 51.41 | 108.99 | |
100 | 1.666 | 0.737 | 0.564 | 2.967 | 55.55 | 117.77 | |
LSD at 0.05 | 0.10 | 0.103 | 0.10 | 0.113 | 1.22 | 2.65 | |