Effect of temperature constraints on photosynthesis of rubber (Hevea brasiliensis)

Kositsup Boonthida, Kasemsap Poonpipope, Thaler Philippe, Améglio Thierry. 2007. Effect of temperature constraints on photosynthesis of rubber (Hevea brasiliensis). In : Natural rubber industry: R and D achievements and challenges : International Rubber Conference 2007, Siem Reap, Cambodia, 12-13 November 2007. CRRI, IRRDB. Phnom Penh : CRRI, pp. 161-166. International Rubber Conference, Siem Reap, Cambodge, 12 November 2007/13 November 2007.

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Abstract : The temperature responses of photosynthesis of two rubber clones, RRIM600 and PB260 were determined over a wide range from 10 to 45°C. Leaf photosynthesis measurements were performed at the Agriculture Faculty, Kasetsart University, Thailand and in a growth chamber at French National Institute for Agricultural Research (INRA-PIAF), Clermont-Ferrand, France. Photosynthetic rate of RRIM600 stayed almost constant between 23 to 37°C, and decreased distinctly with increasing temperature from 38 to 45°C. Photosynthetic rate of PB260 increased with increasing temperature from 10°C, and also decreased distinctly by lowering the temperature below 24°C or by increasing it above 36°C. These results indicated the similar shape of temperature response of photosynthesis of two rubber clones. (Résumé d'auteur)

Classification Agris : F61 - Plant physiology - Nutrition

Auteurs et affiliations

  • Kositsup Boonthida, Kasetsart University (THA)
  • Kasemsap Poonpipope, Kasetsart University (THA)
  • Thaler Philippe, CIRAD-PERSYST-UPR Ecosystèmes de plantations (THA)
  • Améglio Thierry, INRA (FRA)

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