Table 1.
Cytokinin (pmol g−1 fresh weight) | ||||||
Dense canopy | Open canopy | |||||
Low* | Intermediate | High | Low | Intermediate | High | |
cis-Z | 0.282±0.114 | 0.246±0.009 | 0.217±0.040 | 0.390±0.117 | 0.386±0.139 | 0.392±0.096 |
cis-ZR | 0.198±0.079 | 0.156±0.028 | 0.176±0.014 | 0.146±0.028 | 0.177±0.079 | 0.205±0.007 |
cis-ZRP | 0.631±0.095 | 1.315±0.143 | 3.140±1.181 | 0.908±0.094 | 1.763±0.679 | 7.661±1.361 |
trans-Z | nd | nd | 0.129±0.056 | nd | nd | 0.166±0.047 |
trans-ZR | nd | nd | 0.081±0.016 | nd | nd | nd |
trans-ZRP | nd | nd | 1.430±0.566 | nd | nd | 1.279±0.143 |
DHZ | nd | nd | nd | nd | nd | 0.067±0.028 |
DHZRP | nd | 0.028±0.008 | 0.242±0.097 | nd | nd | 0.570±0.095 |
iP | 0.342±0.037 | 0.333±0.051 | 0.266±0.028 | 0.212±0.015 | 0.261±0.019 | 0.369±0.102 |
iPR | 0.227±0.035 | 0.236±0.019 | 0.632±0.059 | 0.179±0.008 | 0.284±0.046 | 0.409±0.020 |
iPRP | 1.063±0.227 | 2.777±0.115 | 11.39±2.275 | 1.376±0.286 | 2.844±1.067 | 12.04±0.682 |
Values represent means±SE, n=3.
DHZ, dihydrozeatin; DHZRP, dihydrozeatin riboside monophosphate; iP, isopentenyl adenine; iPR, isopentenyl adenosine; iPRP, isopentenyl adenosine monophosphate; nd, not detected; Z, zeatin; ZR, zeatin riboside; ZRP, zeatin riboside monophosphate.
Positions correspond to relative heights in Fig. 1C, D.