Table I.

The effect of light quality on the induction of heterophyllous switch in M. quadrifolia

Light SourceHeterophyllous SwitchFinal Leaf Type
Control-a NoSubmerged
PurpleYesAerial
BlueYesAerial
GreenNoSubmerged
YellowNoSubmerged
RedNoSubmerged

Plants were transferred to the indicated light sources 7 d after subculture. The final leaf type was recorded 2 weeks later. Growth conditions other than the light regime were kept the same. The fluence rate was adjusted to 40 μmol m−2 s−1 at the culture level under each light source.

    • F0-a In the control experiment the plants were illuminated through a clear cellophane filter.