Phototropism
| Definition: |
The directional growth of organisms in response to light. In plants, aerial shoots usually grow towards light. The phototropic response is thought to be controlled by auxin (= AUXINS), a plant growth substance. (From Concise Dictionary of Biology, 1990) |
| Notes: |
directional growth of a plant in response to light |
| Also Called: |
Heliotropism |
| Previously Indexed: |
Plants (1966-1994) |
Phototropism Definitions and Terms
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