Identification of physiological and biochemical traits useful to characterize Coffea canephora for drought tolerance

Sara OUAZZANI;Blanchard-Gros, Rémi;Assane NDONG;Nathaly VIAL;Jérôme SPIRAL;et.al.
(2018) 27th biennial conference of ASIC (The Association for Science and Information on Coffee ) — Location: Portland (16.September.2018)

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IDENTIFICATIONOFPHYSIOLOGICALANDBIOCHEMICALTRAITSUSEFULTOCHARACTERIZECoffeacanephoraFORDROUGHTTOLERANCE.docx
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Authors
  • Sara OUAZZANI
    Author
  • Blanchard-Gros, RémiUCLouvain
    Author
  • Assane NDONG
    Author
  • Nathaly VIAL
    Author
  • Jérôme SPIRAL
    Author
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Abstract
Screening or selection of drought tolerant varieties need the appropriate equipments and markers. Stomatal conductance, soil and leaf water potential were identified as good indicators of the water status for Coffea canephora (Robusta). Biochemical compounds with osmotic potential like Myo-inositol and RFO’s sugars (Galactinol, Raffinose & Stachyose) are in higher concentration in drought tolerant genotype and are potential markers for drought tolerance. Mannitol & Proline appears as indicators of water stress and could be used to identify sensitive genotype.
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Sara OUAZZANI, Blanchard-Gros, R., Assane NDONG, Nathaly VIAL, Charles LAMBOT, & Jérôme SPIRAL. (2018). Identification of physiological and biochemical traits useful to characterize Coffea canephora for drought tolerance. 27th biennial conference of ASIC (The Association for Science and Information on Coffee ), Portland. https://hdl.handle.net/2078.5/219894