Table 1.
Nitrogen levels | Plant parts | Total flavonoids (TF) (mg quercetin/g dry weight) |
---|---|---|
0 kg N/ha | Leaf | 0.90 ± 0.02 a |
Stem | 0.77 ± 0.12 a | |
Root | 0.55 ± 0.02 c | |
90 kg N/ha | Leaf | 0.77 ± 0.03 a |
Stem | 0.67 ± 0.04 b | |
Root | 0.52 ± 0.06 c | |
180 kg N/ha | Leaf | 0.70 ± 0.07 b |
Stem | 0.63 ± 0.05 b | |
Root | 0.50 ± 0.02 c | |
270 kg N/ha | Leaf | 0.68 ± 0.04 b |
Stem | 0.44 ± 0.08 d | |
Root | 0.34 ± 0.01 e |
All analyses are mean ± standard error of mean (SEM). N = 18. Means not sharing a common letter are significantly different at P ≤ 0.05.