Table 1.
Levels of phytohormones in male and female flowers of tung tree.
| Hormone types | Female flowers stage |
Male flowers stage |
|||||
|---|---|---|---|---|---|---|---|
| C1 | C2 | C3 | X1 | X2 | X3 | ||
| IAA | IAA | 0.23 ± 0.05 e | 0.53 ± 0.04 d | 1.68 ± 0.06 b | 0.11 ± 0.01 e | 1.29 ± 0.07 c | 8.35 ± 0.29 a |
| ABA | ABA | 165.68 ± 1.17 a | 80.37 ± 1.05 c | 15.01 ± 0.28 e | 87.64 ± 0.57 b | 45.42 ± 1.26 d | 15.73 ± 0.81 e |
| GAs | GA1 | ND | ND | 0.23 ± 0.03 c | ND | 0.61 ± 0.02 b | 0.44 ± 0.06 a |
| GA3 | 0.06 ± 0 a | 0.02 ± 0.01 c | 0.01 ± 0 c | 0.01 ± 0 c | 0.04 ± 0 b | 0.06 ± 0.01 a | |
| GA4 | 3.65 ± 0.1 c | 1.66 ± 0.11 d | 4.24 ± 0.14 b | 1.44 ± 0.08 d | 1 ± 0 e | 11.64 ± 0.16 a | |
| GA7 | 0.3 ± 0.04 a | 0.02 ± 0 b | 0.02 ± 0 b | 0 ± 0 b | ND | 0 ± 0 b | |
| CKs | ZT | ND | 0.06 ± 0.01 bc | 0.06 ± 0.01 bc | 0.04 ± 0 bc | 0.1 ± 0.02 b | 0.48 ± 0.11 a |
| TZR | 6.33 ± 0.32 d | 7.16 ± 0.3 c | 7.46 ± 0.22 c | 1.72 ± 0.02 e | 11.29 ± 0.25 b | 52.45 ± 0.52 a | |
| iP | 0.13 ± 0.03 b | 0.03 ± 0 c | 0.05 ± 0 c | 1.11 ± 0.07 a | 0.06 ± 0.01 c | 0.04 ± 0.01 c | |
| iPA | 0.63 ± 0.03 e | 0.56 ± 0.04 e | 0.93 ± 0.04 d | 3.15 ± 0.16 a | 1.97 ± 0.18 b | 1.3 ± 0.21 c | |
| SAs | SA | ND | 16.93 ± 0.18 a | 0.88 ± 0.24 b | ND | ND | 0.86 ± 0.05 b |
| MESA | 0.04 ± 0 a | 0.01 ± 0 b | ND | ND | ND | ND | |
| JAs | JA | 7.04 ± 0.07 d | 8.93 ± 0.19 c | 7.37 ± 0.2 d | 5.54 ± 0.02 e | 10.35 ± 0.29 b | 129.4 ± 0.44 a |
| MEJA | 0.14 ± 0.02 c | 0.56 ± 0.05 b | 0.17 ± 0.01 c | 0.14 ± 0.01 c | 0.27 ± 0.03 c | 2.24 ± 0.2 a | |
Endogenous phytohormone levels were measured in triplicate and the mean values ± SD (ng.g-1) are shown in each sample. Different letters in each row represent significantly differences between samples at 5% level. ND, not detected. IAA, indole-3-acetic acid; ABA, abscisic acid; GAs, gibberellins; CK, cytokinin; ZT, zeatin; TZR, trans-Zeatin-riboside; iP, N6-isopentenyl adenine; iPA, N6-isopentenyl adenosine; SA, salicylic acid; MESA, methyl salicylate; JA, jasmonic acid; MEJA, methyl jasmonate.