About Lesson
Potometer
The instrument used to measure the rate of transpiration.
What does the potometer measure?
- Transpiration rate;
The precautions that should be taken when setting the experiment
- Cut the shoot under water to prevent entry of air bubble in the xylem (vessel);
- The set-up should be airtight; so that the only way the apparatus can lose water is by the plant transpiring.
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