Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars

Authors

  • Anderson Fernando Wamser Epagri/Estação Experimental de Caçador
    • Siegfried Mueller Epagri/Estação Experimental de Caçador
      • Luiz Carlos Argenta Epagri/Estação Experimental de Caçador

        DOI:

        https://doi.org/10.52945/rac.v19i3.947

        Keywords:

        Lycopersicon esculentum, photosynthesis, transpiration

        Abstract

        The aim of this study was to evaluate the photosynthetic and transpiration rates in different
        layers of tomato cultivars. Photosynthetic rate, transpiration, stomata conductance, internal CO2 concentration, leaf temperature, air temperature and photosynthetically active radiation were evaluated in the beginning of the harvest. There were no differences among cultivars for all parameters. Photosynthetic rates were higher in
        the upper layers. However, the photosynthetic rates in all layers were above the light compensation point, contributing with carbohydrates for the growth and development of the fruits. The transpiration rates were also
        higher in the upper layers. The leaf temperature was higher in the downer layers.



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        Published

        2006-05-27

        Issue

        Vol. 19 No. 3 (2006)

        Section

        Scientific article

        License

        Copyright (c) 2006 Agropecuaria catarinense

        Creative Commons License

        This work is licensed under a Creative Commons Attribution 4.0 International License.

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        How to Cite

        Photosynthetic and transpiration rates in different canopy layers of 16 tomato cultivars. (2006). Agropecuária Catarinense Journal, 19(3), 69-72. https://doi.org/10.52945/rac.v19i3.947