In roots, gravitropism causes auxin to accumulate on the lower side, inhibiting growth on that side and resulting in the root growing downwards.
In gravitropism, auxin moves to the lower side of roots, inhibiting their growth and causing them to grow downwards.
| Front | Auxins response to gravity (geotropism) Roots: |
|---|---|
| Back | Roots: -Auxin moves towards the side facing down-Growth is inhibited so root grows downwards. |
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