Opportunities for improving phosphorus-use efficiency in crop plants

E.J. Veneklaas, H. Lambers, P.M. Finnegan, C.A. Price, M.W. Shane, J.A. Raven, J. Bragg, C.E. Lovelock, W.C. Plaxton, W.-R. Scheible, P.J. White

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    Abstract

    Limitation of grain crop productivity by phosphorus (P) is widespread and will probably increase in the future. Enhanced P efficiency can be achieved by improved uptake of phosphate from soil (P-acquisition efficiency) and by improved productivity per unit P taken up (P-use efficiency). This review focuses on improved P-use efficiency, which can be achieved by plants that have overall lower P concentrations, and by optimal distribution and redistribution of P in the plant allowing maximum growth and biomass allocation to harvestable plant parts. Significant decreases in plant P pools may be possible, for example, through reductions of superfluous ribosomal RNA and replacement of phospholipids by sulfolipids and galactolipids. Improvements in P distribution within the plant may be possible by increased remobilization from tissues that no longer need it (e.g. senescing leaves) and reduced partitioning of P to developing grains. Such changes would prolong and enhance the productive use of P in photosynthesis and have nutritional and environmental benefits. Research considering physiological, metabolic, molecular biological, genetic and phylogenetic aspects of P-use efficiency is urgently needed to allow significant progress to be made in our understanding of this complex trait.
    Original languageEnglish
    Pages (from-to)306-320
    Number of pages15
    JournalNew Phytologist
    DOIs
    Publication statusPublished - 1 Jan 2012

    Fingerprint

    Phosphorus
    phosphorus
    crops
    Galactolipids
    Plant Dispersal
    galactolipids
    Ribosomal RNA
    Photosynthesis
    dry matter partitioning
    grain crops
    ecosystem services
    Biomass
    plant anatomy
    Molecular Biology
    Phospholipids
    phospholipids
    Soil
    Phosphates
    ribosomal RNA
    photosynthesis

    Cite this

    Veneklaas, E. J., Lambers, H., Finnegan, P. M., Price, C. A., Shane, M. W., Raven, J. A., ... White, P. J. (2012). Opportunities for improving phosphorus-use efficiency in crop plants. New Phytologist, 306-320. https://doi.org/10.1111/j.1469-8137.2012.04190.x
    Veneklaas, E.J. ; Lambers, H. ; Finnegan, P.M. ; Price, C.A. ; Shane, M.W. ; Raven, J.A. ; Bragg, J. ; Lovelock, C.E. ; Plaxton, W.C. ; Scheible, W.-R. ; White, P.J. / Opportunities for improving phosphorus-use efficiency in crop plants. In: New Phytologist. 2012 ; pp. 306-320.
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    Veneklaas, EJ, Lambers, H, Finnegan, PM, Price, CA, Shane, MW, Raven, JA, Bragg, J, Lovelock, CE, Plaxton, WC, Scheible, W-R & White, PJ 2012, 'Opportunities for improving phosphorus-use efficiency in crop plants', New Phytologist, pp. 306-320. https://doi.org/10.1111/j.1469-8137.2012.04190.x

    Opportunities for improving phosphorus-use efficiency in crop plants. / Veneklaas, E.J.; Lambers, H.; Finnegan, P.M.; Price, C.A.; Shane, M.W.; Raven, J.A.; Bragg, J.; Lovelock, C.E.; Plaxton, W.C.; Scheible, W.-R.; White, P.J.

    In: New Phytologist, 01.01.2012, p. 306-320.

    Research output: Contribution to journalArticle

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    Veneklaas EJ, Lambers H, Finnegan PM, Price CA, Shane MW, Raven JA et al. Opportunities for improving phosphorus-use efficiency in crop plants. New Phytologist. 2012 Jan 1;306-320. https://doi.org/10.1111/j.1469-8137.2012.04190.x