Table 2.
Endogenous levels of precursors and activated forms of GAs in the shoot apex in Polygonum cuspidatum.
| Shoot apex | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| pmol gFW−1 | GA12 | GA24 | GA9 | GA53 | GA44 | GA19 | GA20 | GA1 | GA8 |
| LL | n.d | n.d | n.d | 13.47 ± 5.41 | 3.93 ± 1.37 | 16.48 ± 4.19 | 1.92 ± 0.27 | 1.12 ± 0.01 | 6.83 ± 1.11 |
| LM | n.d | n.d | n.d | 19.45 ± 7.34 | 8.35 ± 4.91 | 17.35 ± 4.61 | 2.62 ± 0.62 | 4.12 ± 0.32 | 10.84 ± 3.27 |
| LH | n.d | n.d | n.d | 61.98 ± 31.79 | 21.02 ± 4.60 | 30.22 ± 10.14 | 3.60 ± 0.30 | 7.28 ± 1.55 | 23.75 ± 3.95 |
| HL | n.d | 1.20 ± 1.05 | n.d | 86.5 ± 15.6 | 21.7 ± 2.8 | 40.8 ± 7.0 | 2.81 ± 0.15 | 4.19 ± 0.02 | 10.51 ± 1.87 |
| HM | n.d | 0.35 ± 0.26 | n.d | 266.2 ± 97.7 | 27.2 ± 11.6 | 40.0 ± 6.6 | 1.47 ± 0.42 | 3.65 ± 1.26 | 14.18 ± 2.32 |
| HH | n.d | 0.39 ± 0.02 | 54.2 ± 52.6 | 543.7 ± 114.7 | 66.0 ± 11.2 | 85.0 ± 10.0 | 2.50 ± 0.20 | 6.09 ± 1.36 | 25.95 ± 3.60 |
| Def | n.d | n.d | n.d | 1043.8 ± 284.0 | 60.6 ± 4.4 | 100.5 ± 15.2 | 1.92 ± 0.54 | 5.71 ± 0.83 | 16.28 ± 2.48 |
| LowN | n.d | n.d | 39.8 ± 19.6 | 226.3 ± 93.0 | 8.8 ± 1.9 | 78.2 ± 8.8 | 1.93 ± 0.33 | 2.50 ± 0.70 | 5.11 ± 0.78 |
| LowL | n.d | n.d | 42.0 ± 4.7 | 1128.7 ± 45.7 | 71.0 ± 19.2 | 147.4 ± 24.8 | 1.25 ± 0.19 | 7.74 ± 1.13 | 25.29 ± 7.81 |
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.