期刊
ANNALS OF BOTANY
卷 129, 期 3, 页码 247-258出版社
OXFORD UNIV PRESS
DOI: 10.1093/aob/mcab145
关键词
Phosphorus; phosphorus utilization efficiency; phosphorus pools; phosphorus recycling; phosphorus distribution
资金
- National Science Foundation of China [31972496, 31572190, 32130094]
- Deutsche Forschungsgemeinschaft (DFG) [-328017493/GRK 2366]
- Rural and Environment Science and Analytical Services Division (RESAS) of the Scottish Government
To reduce environmental losses of phosphorus, increasing phosphorus acquisition efficiency or phosphorus utilization efficiency in plants can help maintain or even enhance plant performance.
Background Limitation of plant productivity by phosphorus (P) supply is widespread and will probably increase in the future. Relatively large amounts of P fertilizer are applied to sustain crop growth and development and to achieve high yields. However, with increasing P application, plant P efficiency generally declines, which results in greater losses of P to the environment with detrimental consequences for ecosystems. Scope A strategy for reducing P input and environmental losses while maintaining or increasing plant performance is the development of crops that take up P effectively from the soil (P acquisition efficiency) or promote productivity per unit of P taken up (P utilization efficiency). In this review, we describe current research on P metabolism and transport and its relevance for improving P utilization efficiency. Conclusions Enhanced P utilization efficiency can be achieved by optimal partitioning of cellular P and distributing P effectively between tissues, allowing maximum growth and biomass of harvestable plant parts. Knowledge of the mechanisms involved could help design and breed crops with greater P utilization efficiency.
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