Benoit Clerget

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Benoit Clerget

Benoit is a former crop physiology expert at IRRI and a seconded CIRAD scientist. He is also the former head of the Ecophysiology team at IRRI's Crop and Environmental Sciences Division (CESD). From 2011, the research of this team has been reoriented towards plant physiology in aerobic environments in order to help bridge the current yield gap between flooded and aerobic conditions. This activity fits into two big IRRI projects: Cereal Systems Initiative for South Asia (CSISA) and the Ecological Intensification (EI) platform.


  • Crop physiology
  • Crop modeling
  • Plant breeding


  • PhD in Ecophysiology, School of Agronomy of Paris-Grignon, France (2004)
  • MSc in Ecophysiology, School of Agronomy of Paris-Grignon, France (1999)
  • Plant breeding, University of Orsay-Paris 11, France (1982)


  • Rice crop physiologist, IRRI & CIRAD, Los Baños, Philippines (2010- 2016)
  • Sorghum crop physiologist, ICRISAT & CIRAD, Bamako, Mali (2000-2009)
  • Maize breeder, CIMMYT & CIRAD, in CIAT, Cali, Colombia (1996-1998)
  • Maize breeder, CIRAD, Montpellier, France (1994-1996)
  • Castor bean breeder, ELF-ATOCHEM & CIRAD, Cañas, Costa Rica (1994)
  • Maize breeder, CIRAD, Saint Pierre, La Réunion (1992-1993)
  • Maize breeder, FOFIFA & CIRAD, Antananarivo, Madagascar (1988-1992)
  • Maize breeder, ISRA & IRAT, Saint Louis, Senegal (1984-1988)
  • Herbicides experimental research, CYANAMID, Châteaudin, France (1984)
  • Comparative fungicides trials for the profession, ITCF, Boigneville, France (1983)


  1. Clerget, B., H.F.W. Rattunde and E. Weltzien. 2012. Why tropical sorghum sown in winter months has delayed flowering and modified morphogenesis in spite of prevailing short days. Field Crops Research, 125:139-150.
  2. Clerget, B., M. Dingkuhn, E. Gozé, H. F. W. Rattunde and B. Ney. 2008. Variability of phyllochron, plastochron and rate of increase in height in photoperiod-sensitive sorghum varieties. Annals of Botany, 101:579-594.
  3. Clerget, B. 2008. Variabilité de la vitesse de développement chez le sorgho cultivé (Sorghum bicolor (L.) Moench) et relation avec le photopériodisme. Cahiers Agricultures 17(2): 101-106.
  4. Dingkuhn, M., Kouressy, M., Vaksmann, M., Clerget, B., Chantereau, J., 2008. A model of sorghum photoperiodism using the concept of threshold-lowering during prolonged appetence. European Journal of Agronomy 28, p. 74-89.
  5. Clerget, B., B. I. G. Haussmann, S. S. Boureima and E. Weltzien. 2007 Surprising flowering response to photoperiod: Preliminary characterization of West and Central African pearl millet germplasm. Journal of SAT Agricultural Research 5(1).
  6. Clerget, B., H. Rattunde, S. Dagnoko and J. Chantereau. 2007. An easy way to assess photoperiod sensitivity in sorghum: Relationships of the vegetative-phase duration and photoperiod sensitivity. Journal of SAT Agricultural Research 3(1).
  7. Dingkuhn, M., Singh, B.B., Clerget, B., Chantereau, J., Sultan, B., 2006. Past, present and future criteria to breed crops for water-limited environments in West Africa. Agricultural Water Management 80, 241-261.
  8. Clerget, B., M. Dingkuhn, J. Chantereau, J. Hemberger, G. Louarn and M. Vaksmann. 2004. Does panicle initiation in tropical sorghum depend on day-to-day change in photoperiod? Field Crops Research 88: 11-27.
  9. Clerget, B. 2004. Le rôle du photopériodisme dans l'élaboration du rendement de trois variétés de sorgho cultivées en Afrique de l'Ouest. Institut National Agronomique Paris-Grignon. Paris, France., Ecole Doctorale ABIES: 103 p.