Spatial separation of light perception and growth response in maize root phototropism.

@article{Mullen2002SpatialSO,
  title={Spatial separation of light perception and growth response in maize root phototropism.},
  author={Jack L. Mullen and Cynthia K. Wolverton and Hideo Ishikawa and Roger P. Hangarter and Michael L. Evans},
  journal={Plant, cell & environment},
  year={2002},
  volume={25 9},
  pages={1191-6}
}
Although the effects of gravity on root growth are well known and interactions between light and gravity have been reported, details of root phototropic responses are less documented. We used high-resolution image analysis to study phototropism in primary roots of Zea mays L. Similar to the location of perception in gravitropism, the perception of light was localized in the root cap. Phototropic curvature away from the light, on the other hand, developed in the central elongation zone, more… CONTINUE READING

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