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NIRS measurement at field level to measure rubber and resin content of guayule plants

Brancheriau Loïc, Palu Serge, Pioch Daniel, Boutahar Nabila, Tardan Eric, Sartre Pascal, Ebel J.M, Becourt E.. 2016. NIRS measurement at field level to measure rubber and resin content of guayule plants. In : Industrial crops: promoting sustainability. Berti M.T. (ed.), Alexopoulou E. (ed.). AAIC. Rochester : AAIC, Résumé, p. 32. Association for the Advancement of Industrial Crops International Conference, Rochester, États-Unis, 24 September 2016/28 September 2016.

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Abstract : Natural rubber increasing worldwide demand and the effects of climatic changes emphasize the interest in developing guayule rubber as a commodity such as Hevea rubber from Asian plantations. Guayule (Parthenium argentatum Gray) will contribute to sustainable development in Mediterranean and southern countries where CIRAD operates its research activities. During the European EU-PEARLS project CIRAD has already worked on NIRS (Near infrared spectroscopy) laboratory measurement of guayule powder from dried branches, to measure water, rubber and resin content). The method is working well, but still time consuming. A new research development on NIRS aims at developing an even simpler and quicker method of resins and rubber contents by NIRS measurement on living guayule plants in the field, during their growth. The purpose is enabling (i) to monitor the evolution of biomass chemical composition over the whole cropping period, and (ii) to estimate harvest date. Indeed guayule type of reproduction leads to differing plants. Encouraging preliminary results about this new method developed in the experimental fields in Montpellier (France) are reported. This direct and simple method which is being experimented will provide a tool for a more efficient genetic selection, as a large number of analyses are needed in order to determine best lines. (Texte intégral)

Mots-clés libres : Guayule, Near infrared spectroscopy, Resin content, Rubber content

Classification Agris : F60 - Plant physiology and biochemistry
Q60 - Processing of non-food or non-feed agricultural products
U40 - Surveying methods

Auteurs et affiliations

  • Brancheriau Loïc, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0002-9580-7696
  • Palu Serge, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Pioch Daniel, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Boutahar Nabila, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Tardan Eric, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Sartre Pascal, INRA (FRA)
  • Ebel J.M, INRA (FRA)
  • Becourt E., Bonsaï Advanced Technologies (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/582128/)

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