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Chapter: 11th Botany : Chapter 15 : Plant Growth and Development

Experiment to demonstrate negative geotropism in aerial stem

Experiment to demonstrate negative geotropism in aerial stem
The Clinostat has a rotating pot like container mounted on an axis rod.

Experiment to demonstrate negative geotropism in aerial stem

 

The Clinostat has a rotating pot like container mounted on an axis rod. A potted plant is fitted horizontally on the Clinostat and rotated slowly which completely eliminates gravity as all the sides of the plant are equally stimulated. If the rotation of the Clinostat is stopped for a considerable period of time then the tip of the stem is observed to curve and grow upwards this proves that the stem tip is negatively geotropic (Figure 15.19).



 

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11th Botany : Chapter 15 : Plant Growth and Development : Experiment to demonstrate negative geotropism in aerial stem |

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11th Botany : Chapter 15 : Plant Growth and Development


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