Table 1.
Endogenous levels of precursors and activated forms of GAs in the all leaves of LL, LM, LH, HL, and HM and the youngest leaves of HH, Def, LowN and LowL in Polygonum cuspidatum.
| Whole or youngest leaves | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| nmol m−2 | GA12 | GA24 | GA9 | GA53 | GA44 | GA19 | GA20 | GA1 | GA8 |
| LL | n.d | n.d | n.d | 1.27 ± 0.42 | 0.18 ± 0.10 | 0.74 ± 0.14 | 0.12 ± 0.02 | 0.26 ± 0.15 | 2.42 ± 0.37 |
| LM | n.d | n.d | n.d | 1.96 ± 1.13 | 0.51 ± 0.46 | 1.13 ± 0.37 | 0.14 ± 0.02 | 0.30 ± 0.09 | 3.08 ± 0.60 |
| LH | n.d | n.d | n.d | 3.31 ± 0.95 | 0.50 ± 0.04 | 2.09 ± 0.53 | 0.19 ± 0.03 | 0.99 ± 0.09 | 5.14 ± 0.56 |
| HL | n.d | 0.23 ± 0.22 | n.d | 11.5 ± 1.8 | 0.54 ± 0.12 | 4.26 ± 0.49 | 0.13 ± 0.02 | n.d | 1.29 ± 0.16 |
| HM | n.d | 0.02 ± 0.01 | n.d | 15.2 ± 1.5 | 0.45 ± 0.19 | 6.17 ± 0.39 | 0.15 ± 0.01 | 0.34 ± 0.02 | 2.69 ± 0.22 |
| HH | n.d | 0.11 ± 0.03 | n.d | 91.9 ± 13.2 | 5.18 ± 0.95 | 19.90 ± 2.86 | 0.36 ± 0.09 | 1.79 ± 0.24 | 6.37 ± 1.15 |
| Def | n.d | 0.07 ± 0.02 | n.d | 149.3 ± 25.9 | 6.18 ± 1.88 | 25.16 ± 1.43 | 0.33 ± 0.09 | 1.49 ± 0.17 | 4.56 ± 1.01 |
| LowN | n.d | n.d | n.d | 27.5 ± 9.1 | 0.44 ± 0.17 | 12.54 ± 1.37 | 0.20 ± 0.02 | 0.53 ± 0.12 | 2.10 ± 0.45 |
| LowL | n.d | n.d | n.d | 43.2 ± 6.1 | 3.65 ± 1.09 | 22.10 ± 3.14 | 0.22 ± 0.04 | 0.98 ± 0.11 | 4.34 ± 0.93 |
GA12, GA24, GA9, GA53, GA44, GA19, and GA20 are precursor forms of GA1 and GA8 is inactivated form of GA1. Values are means ± SE (n = 4–8). n.d means not detectable.