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Hard to answer because transpiration rate is affected by many factors.

This is from wikipedia

The rate of transpiration is directly related to the degree of stomatal opening, and to the evaporative demand of the atmosphere surrounding the leaf. The amount of water lost by a plant depends on its size, along with the surrounding light intensity, temperature, humidity, and wind speed (all of which influence evaporative demand). Soil water supply and soil temperature can influence stomatal opening, and thus transpiration rate.

Maybe you mean what is a definition of transpiration rate?

Transpiration rate i.e. the rate at which water is lost by a plant. Water can be lost from various parts of plants especially leaves but also stems, flowers and roots.

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14y ago
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12y ago

The rate of transpiration is the amount of water vapor that a plant loses from its leaves and stems per unit of time, depending on a number of biotic and abiotic factors.

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11y ago

Mesophytes with broad leaves

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Q: What is a definition of the rate of transpiration?
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