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Leaf growth under temperature and light control

Author

Listed:
  • J. Repková

    (Faculty of Agrobiology and Food Resources, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • M. Brestič

    (Faculty of Agrobiology and Food Resources, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • K. Olšovská

    (Faculty of Agrobiology and Food Resources, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

Abstract

Dynamics of crop growth and photosynthesis are two main processes that are of major importance for adaptation of plants to their environment. Two experiments were carried out during 2005 and 2006 with sun and shaded barley plants. The results showed that leaf area increased with leaf position on the main stem up to leaf position 5 for sun and leaf position 6 for shaded plants, and then declined towards flag leaves. Air temperature affected leaf appearance, mainly at the beginning of the growing season. A positive correlation between leaf expansion duration (LED) and accumulated temperature sum was measured for both variants, LED linearly increased with temperature sum. Leaf expansion rate (LER) showed a similar dependence on accumulated air temperatures in both light variants. A strong relation was found between soil temperature and LER for the first four leaves of the main stem of shaded plants in 2006. In shaded environment the higher LER was associated with lower accumulated irradiance sum when light restriction supported an increase of leaf elongation and final leaf length.

Suggested Citation

  • J. Repková & M. Brestič & K. Olšovská, 2009. "Leaf growth under temperature and light control," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(12), pages 551-557.
    • Handle: RePEc:caa:jnlpse:v:55:y:2009:i:12:id:93-2009-pse
    DOI: 10.17221/93/2009-PSE
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    Cited by:

    1. Simanjuntak, Bistok Hasiholan & Wardani, Devi Kusuma, 2021. "The Effect of Stem Segment Cuttings of Robusta Coffee (Coffea canephora) on Growth of Root and Leaf Sprout," Asian Journal of Agriculture and Rural Development, Asian Economic and Social Society (AESS), vol. 11(01), January.
    2. Milan MIROSAVLJEVIĆ & Vojislava MOMČILOVIĆ & Ivana MAKSIMOVIĆ & Marina PUTNIK-DELIĆ & Novo PRŽULJ & Nikola HRISTOV & Novica MLADENOV, 2018. "Pre-anthesis development of winter wheat and barley and relationships with grain yield," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(7), pages 310-316.

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