The roots of future rice harvests
2014
Ahmadi, Nourollah | Audebert, Alain | Bennett, Malcolm J | Bishopp, Anthony | de Oliveira, Antonio | Courtois, Brigitte | Diedhiou, Abdala | Diévart, Anne | Gantet, Pascal | Ghesquière, Alain | Guiderdoni, Emmanuel | Henry, Amelia | Inukai, Yoshiaki | Kochian, Leon | Laplaze, Laurent | Lucas, Mikael | Luu, Doan Trung | Manneh, Baboucarr | Mo, Xiaorong | Muthurajan, Raveendran | Périn, Christophe | Price, Adam | Robin, Sabariappan | Sentenac, Hervé | Sine, Bassirou | Uga, Yusaku | Véry, Anne | Wissuwa, Matthias | Wu, Ping | Xu, Jian | Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) | Centre for Plant Integrative Biology [Nothingham] (CPIB) ; University of Nottingham, UK (UON) | LMI Adaptation des Plantes et microorganismes associés aux Stress Environnementaux [Dakar] (LAPSE) ; Institut de Recherche pour le Développement (IRD) | Université Cheikh Anta Diop de Dakar [Sénégal] (UCAD) | Diversité, adaptation, développement des plantes (UMR DIADE) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [Occitanie]) | Institut de Recherche pour le Développement (IRD) | International Rice Research Institute [Philippines] (IRRI) ; Consultative Group on International Agricultural Research [CGIAR] (CGIAR) | International Cooperation Center for Agricultural Education (ICCAE) | Robert W. Holley Center for Agriculture and Health ; USDA-ARS : Agricultural Research Service | Biochimie et Physiologie Moléculaire des Plantes (BPMP) ; Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | Africa Rice Center (AfricaRice), Sahel Regional ; Africa Rice Center [Côte d'Ivoire] (AfricaRice) ; Consultative Group on International Agricultural Research [CGIAR] (CGIAR)-Consultative Group on International Agricultural Research [CGIAR] (CGIAR) | State Key Laboratory of Plant Physiology ; College of Science, Zhejiang University | Tamil Nadu Agricultural Unviversity | University of Aberdeen | Institut sénégalais de recherches agricoles [Dakar] (ISRA) | National Institut of Agrobiological Science (NIAS) | Japan International Reserach Center for Agricultural Sciences (JIRCAS) | Department of Biological Science | ANR-10-LABX-0001,AGRO,Agricultural Sciences for sustainable Development(2010)
International audience
Show more [+] Less [-]English. Rice production faces the challenge to be enhanced by 50% by year 2030 to meet the growth of the population in rice-eating countries. Whereas yield of cereal crops tend to reach plateaus and a yield is likely to be deeply affected by climate instability and resource scarcity in the coming decades, building rice cultivars harboring root systems that can maintain performance by capturing water and nutrient resources unevenly distributed is a major breeding target. Taking advantage of gathering a community of rice root biologists in a Global Rice Science Partnership workshop held in Montpellier, France, we present here the recent progresses accomplished in this area and focal points where an international network of laboratories should direct their efforts. Review The root system has the crucial role of extracting nutri-ents and water through a complex interplay with soil biogeochemical properties, and of maintaining these functions under a wide range of stress scenarios to en-sure plant survival and reproduction. This role is made even more important due to increasing climate instabil-ity and limitation of fertilizers and irrigation in cropping systems. Determining the precise contribution of root traits to final grain yield under these scenarios and breeding cultivars harboring root systems adapted to stress profiles prevalent in representative target soil envi-ronments are therefore a priority in the plant breeding research agenda. Long neglected, the biology and ecol-ogy of roots -the "hidden half" -have recently attracted an increasing number of research groups and disciplines ranging from genetics, molecular biology, cell biology, physiology, microbiology,
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