Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping
When the current level of carbohydrates produced by photosynthesis is not enough to meet the C demand for maintenance, growth or metabolism, trees use stored carbohydrates. In rubber trees (Hevea brasiliensis Muell. Arg.), however, a previous study (Silpi U., A. Lacointe, P. Kasemsap, S. Thanisawanyangkura, P. Chantuma, E. Gohet, N. Musigamart, A. Clement, T. Améglio and P. Thaler. 2007. Carbohydrate reserves as a competing sink: evidence from tapping the rubber tree. Tree Physiol. 27:881¿889) showed that the additional sink created by latex tapping results not in a decrease, but in an increase in the non-structural carbohydrate (NSC) storage in trunk wood. In this study, the response of NSC storage to latex tapping was further investigated to better understand the trade-off between latex regeneration, biomass and storage. Three tapping systems were compared to the untapped Control for 2 years. Soluble sugars and starch were analyzed in bark and wood on both sides of the trunk, from 50 to 200 cm from the ground. The results confirmed over the 2 years that tapped trees stored more NSC, mainly starch, than untapped Control. Moreover, a double cut alternative tapping system, which produced a higher latex yield than conventional systems, led to even higher NSC concentrations. In all tapped trees, the increase in storage occurred together with a reduction in trunk radial growth. This was interpreted as a shift in carbon allocation toward the creation of reserves, at the expense of growth, to cover the increased risk induced by tapping (repeated wounding and loss of C in latex). Starch was lower in bark than in wood, whereas it was the contrary for soluble sugars. The resulting NSC was twice as low and less variable in bark than in wood. Although latex regeneration occurs in the bark, changes related to latex tapping were more marked in wood than in bark. From seasonal dynamics and differences between the two sides of the trunk in response to tapping, we concluded that starch in wood behaved as the long-term reserve compartment at the whole trunk level, whereas starch in bark was a local buffer. Soluble sugars behaved like an intermediate, ready-to-use compartment in both wood and bark. Finally, the dynamics of carbohydrate reserves appears a relevant parameter to assess the long-term performance of latex tapping systems.
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Biblioteca del CIRAD Francia |
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F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 http://aims.fao.org/aos/agrovoc/c_7701 F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 http://aims.fao.org/aos/agrovoc/c_7701 |
spellingShingle |
F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 http://aims.fao.org/aos/agrovoc/c_7701 F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 http://aims.fao.org/aos/agrovoc/c_7701 Chantuma, Pisamai Lacointe, André Kasemsap, Poonpipope Thanisawanyangkura, Sornprach Gohet, Eric Clément, Anne Guilliot, A. Améglio, Thierry Thaler, Philippe Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
description |
When the current level of carbohydrates produced by photosynthesis is not enough to meet the C demand for maintenance, growth or metabolism, trees use stored carbohydrates. In rubber trees (Hevea brasiliensis Muell. Arg.), however, a previous study (Silpi U., A. Lacointe, P. Kasemsap, S. Thanisawanyangkura, P. Chantuma, E. Gohet, N. Musigamart, A. Clement, T. Améglio and P. Thaler. 2007. Carbohydrate reserves as a competing sink: evidence from tapping the rubber tree. Tree Physiol. 27:881¿889) showed that the additional sink created by latex tapping results not in a decrease, but in an increase in the non-structural carbohydrate (NSC) storage in trunk wood. In this study, the response of NSC storage to latex tapping was further investigated to better understand the trade-off between latex regeneration, biomass and storage. Three tapping systems were compared to the untapped Control for 2 years. Soluble sugars and starch were analyzed in bark and wood on both sides of the trunk, from 50 to 200 cm from the ground. The results confirmed over the 2 years that tapped trees stored more NSC, mainly starch, than untapped Control. Moreover, a double cut alternative tapping system, which produced a higher latex yield than conventional systems, led to even higher NSC concentrations. In all tapped trees, the increase in storage occurred together with a reduction in trunk radial growth. This was interpreted as a shift in carbon allocation toward the creation of reserves, at the expense of growth, to cover the increased risk induced by tapping (repeated wounding and loss of C in latex). Starch was lower in bark than in wood, whereas it was the contrary for soluble sugars. The resulting NSC was twice as low and less variable in bark than in wood. Although latex regeneration occurs in the bark, changes related to latex tapping were more marked in wood than in bark. From seasonal dynamics and differences between the two sides of the trunk in response to tapping, we concluded that starch in wood behaved as the long-term reserve compartment at the whole trunk level, whereas starch in bark was a local buffer. Soluble sugars behaved like an intermediate, ready-to-use compartment in both wood and bark. Finally, the dynamics of carbohydrate reserves appears a relevant parameter to assess the long-term performance of latex tapping systems. |
format |
article |
topic_facet |
F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 http://aims.fao.org/aos/agrovoc/c_7701 |
author |
Chantuma, Pisamai Lacointe, André Kasemsap, Poonpipope Thanisawanyangkura, Sornprach Gohet, Eric Clément, Anne Guilliot, A. Améglio, Thierry Thaler, Philippe |
author_facet |
Chantuma, Pisamai Lacointe, André Kasemsap, Poonpipope Thanisawanyangkura, Sornprach Gohet, Eric Clément, Anne Guilliot, A. Améglio, Thierry Thaler, Philippe |
author_sort |
Chantuma, Pisamai |
title |
Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
title_short |
Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
title_full |
Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
title_fullStr |
Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
title_full_unstemmed |
Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping |
title_sort |
carbohydrate storage in wood and bark of rubber trees submitted to different level of c demande induced by latex tapping |
url |
http://agritrop.cirad.fr/550559/ http://agritrop.cirad.fr/550559/1/document_550559.pdf |
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dig-cirad-fr-5505592024-01-28T17:24:41Z http://agritrop.cirad.fr/550559/ http://agritrop.cirad.fr/550559/ Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping. Chantuma Pisamai, Lacointe André, Kasemsap Poonpipope, Thanisawanyangkura Sornprach, Gohet Eric, Clément Anne, Guilliot A., Améglio Thierry, Thaler Philippe. 2009. Tree Physiology, 29 (8) : 1021-1031.https://doi.org/10.1093/treephys/tpp043 <https://doi.org/10.1093/treephys/tpp043> Carbohydrate storage in wood and bark of rubber trees submitted to different level of C demande induced by latex tapping Chantuma, Pisamai Lacointe, André Kasemsap, Poonpipope Thanisawanyangkura, Sornprach Gohet, Eric Clément, Anne Guilliot, A. Améglio, Thierry Thaler, Philippe eng 2009 Tree Physiology F62 - Physiologie végétale - Croissance et développement F01 - Culture des plantes K10 - Production forestière Hevea brasiliensis latex rendement des cultures stockage glucide écorce variation saisonnière organe de réserve bois récolte physiologie végétale amidon http://aims.fao.org/aos/agrovoc/c_3589 http://aims.fao.org/aos/agrovoc/c_4214 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_7427 http://aims.fao.org/aos/agrovoc/c_1300 http://aims.fao.org/aos/agrovoc/c_820 http://aims.fao.org/aos/agrovoc/c_24894 http://aims.fao.org/aos/agrovoc/c_7430 http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_3500 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_7369 Thaïlande http://aims.fao.org/aos/agrovoc/c_7701 When the current level of carbohydrates produced by photosynthesis is not enough to meet the C demand for maintenance, growth or metabolism, trees use stored carbohydrates. In rubber trees (Hevea brasiliensis Muell. Arg.), however, a previous study (Silpi U., A. Lacointe, P. Kasemsap, S. Thanisawanyangkura, P. Chantuma, E. Gohet, N. Musigamart, A. Clement, T. Améglio and P. Thaler. 2007. Carbohydrate reserves as a competing sink: evidence from tapping the rubber tree. Tree Physiol. 27:881¿889) showed that the additional sink created by latex tapping results not in a decrease, but in an increase in the non-structural carbohydrate (NSC) storage in trunk wood. In this study, the response of NSC storage to latex tapping was further investigated to better understand the trade-off between latex regeneration, biomass and storage. Three tapping systems were compared to the untapped Control for 2 years. Soluble sugars and starch were analyzed in bark and wood on both sides of the trunk, from 50 to 200 cm from the ground. The results confirmed over the 2 years that tapped trees stored more NSC, mainly starch, than untapped Control. Moreover, a double cut alternative tapping system, which produced a higher latex yield than conventional systems, led to even higher NSC concentrations. In all tapped trees, the increase in storage occurred together with a reduction in trunk radial growth. This was interpreted as a shift in carbon allocation toward the creation of reserves, at the expense of growth, to cover the increased risk induced by tapping (repeated wounding and loss of C in latex). Starch was lower in bark than in wood, whereas it was the contrary for soluble sugars. The resulting NSC was twice as low and less variable in bark than in wood. Although latex regeneration occurs in the bark, changes related to latex tapping were more marked in wood than in bark. From seasonal dynamics and differences between the two sides of the trunk in response to tapping, we concluded that starch in wood behaved as the long-term reserve compartment at the whole trunk level, whereas starch in bark was a local buffer. Soluble sugars behaved like an intermediate, ready-to-use compartment in both wood and bark. Finally, the dynamics of carbohydrate reserves appears a relevant parameter to assess the long-term performance of latex tapping systems. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/550559/1/document_550559.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1093/treephys/tpp043 10.1093/treephys/tpp043 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=205089 info:eu-repo/semantics/altIdentifier/doi/10.1093/treephys/tpp043 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1093/treephys/tpp043 |