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Journal Article

A Method for the Quantitative Determination of Transpiration in Plants

Geo. F. Freeman
Botanical Gazette
Vol. 46, No. 2 (Aug., 1908), pp. 118-129
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Page Count: 12

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Topics: Transpiration, Plants, Cylinders, Stems, Leaves, Relative humidity, Plant roots, Water flow, Alfalfa, Rubber
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1. In plant breeding and in physiological and ecological work, it is very necessary to have some accurate and practical method of measuring the transpiration of plants. 2. The potometer method does not give the normal transpiration rate of a plant, neither can it be depended upon to give a rate which is even comparative as between different plants. 3. By the method herein described the transpiration of a plant under known and constant conditions may be accurately measured. 4. It is possible by this method to demonstrate individual differences in the transpiration rates in different plants of the same species. 5. By the use of this apparatus, data may be secured to serve as a basis for plant selection and breeding.

Notes and References

This item contains 3 references.

  • 1
    GANEAU DE LAMARLIÈRE, L., Recherches physiologiques sur les feuilles, deve- loppees a lombre et au solcil. VI. Transpiration. Rev. Gén. Botanique 4:529. 1892.
  • 2
    VERSCHAFFELT, E. en J., De transpiratie der planten in koolzuurorije lucht. Botanisch Jaarboek (uitgegeven door het kruidkundig genootschap "Dodonaea" te Gent) 2:305. 1890.
  • 3
    BURGERSTEIN, ALFRED, Die Transpiration der Pflanzen 12. 1904.