Compensation point

The compensation point is the point during photosynthesis where the rate of photosynthesis exactly matches the rate of respiration; i.e. the input of CO₂ or O₂ is the same as the output of the other by a plant. This point is reached during early mornings and late evenings.(Twilight Zone). It is also involved in sugar production.

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This is a summary of compensation point.

• The rate of photosynthesis is exactly equal to the rate of respiration

• The amount of oxygen produced by a plant is equal to the amount used up at that point in time

• Thus there is no net output of oxygen by the plant

• There is nil effective photosynthesis