-- or negative (away from). Shoots and stems are positively phototropic while roots are negatively phototropic.
Add a definition to this term
Return to the Gardenology homepage ...
phototropism (adj. phototropic)Growth or movement toward or away from a light source.
They have a tendency to turn to the light (phototropic) so when hydrating Gerberas, ...
Further, they actually grow best when exposed fully to the sun. Their growth habits are especially unique because they have a phototropic response called heliotropism in which leaves and flowerheads change their east-west orientation in order to ...
 See also: Plant, Light, Water, Environment
  
|
RSS
