Measurement of Transpiration by Indirect Evaporation.
Transpiration...
Question
Transpiration efficiency / transpiration ratio is :
A
Water absorbed to water transpired
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B
Unit weight of dry matter synthesised in relation to units of water transpired by plant.
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C
Unit weight of dry matter synthesised in relation to units of water consumed.
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D
Unit weight of water transpired to unit weight of dry matter synthesised.
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Solution
The correct option is D Unit weight of water transpired to unit weight of dry matter synthesised.
The ratio of weight of water transpired by a plant during its growing season to the weight of dry matter produced is called transpiration ratio. Thus, the correct answer is option (D).