Journal
FIELD CROPS RESEARCH
Volume 117, Issue 2-3, Pages 169-176Publisher
ELSEVIER
DOI: 10.1016/j.fcr.2010.03.001
Keywords
Phosphorus acquisition; External phosphorus efficiency; Phosphorus deficient soils; Genetic variation; Food crops
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Funding
- Flemish Interuniversity Council
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In many low input agricultural systems, phosphorus (P) is one of the most limiting mineral nutrients for plant production. Although applying P fertilizer, if available, is the most performing practice, this should be accompanied by other measures. The use of genetically enhanced plants with improved P acquisition efficiency may represent a sustainable solution to increase crop yields in these systems. This review is intended to provide a summary on adaptation mechanisms of crop plants facing P deficiency as the starting point to develop a research approach for improving P acquisition efficiency. P acquisition efficiency in this review refers to external P efficiency. The suggested research approach includes three strategies: molecular assisted plant breeding, deployment of transgenic plants and the use of agricultural practices. The natural source for improving P nutrition of plants is the existing large genetic variation for plant traits that are associated wills P acquisition efficiency and will therefore be emphasized in this review. (C) 2010 Elsevier B.V. All rights reserved.
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