Journal
PLANT SCIENCE
Volume 210, Issue -, Pages 159-176Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2013.05.010
Keywords
Biomass; Biological productivity; Eco-evo-devo; Growth rate; Heterosis; Organ growth; Photosynthesis; Soil; Sustainable agriculture; Water; Yield ceiling
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Funding
- Plant Reproduction and Development (RDP) laboratory at ENS de Lyon
- Institut universitaire de France (IUF)
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Trends in conventional plant breeding and in biotechnology research are analyzed with a focus on production and productivity of individual organisms. Our growing understanding of the productive/adaptive potential of (crop) plants is a prerequisite to increasing this potential and also its expression under environmental constraints. This review concentrates on growth rate, ribosome activity, and photosynthetic rate to link these key cellular processes to plant productivity. Examples of how they may be integrated in heterosis, organ growth control, and responses to abiotic stresses are presented. The yield components in rice are presented as a model. The ultimate goal of research programs, that concentrate on yield and productivity and integrating the panoply of systems biology tools, is to achieve low input, high output agriculture, i.e. shifting from a conventional productivist agriculture to an efficient sustainable agriculture. This is of critical, strategic importance, because the extent to which we, both locally and globally, secure and manage the long-term productive potential of plant resources will determine the future of humanity. (C) 2013 Elsevier Ireland Ltd. All rights reserved.
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