How portulaca seedlings avoid their neighbours

  title={How portulaca seedlings avoid their neighbours},
  author={Ariel Novoplansky and Dan S Cohen and Tsvi Sachs},
Portulaca oleracea L. seedlings do not develop in the direction of neighbours, even when these neighbours are small and distant. Neighbouring plants could be simulated by small rectangles of a plastic that resembled leaves in its spectral characteristics. Unlike seedlings, mature plants did not respond to objects that do not influence photosynthetic light. When light of equal intensity was received from all directions, Portulaca seedlings avoided the direction with higher far-red light… CONTINUE READING