Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 11: 53 - 57
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.11.012
Research progress on the effects of photosynthetic carbon-driven rhizosphere processes on phosphorus absorption in plants
Received date: 2024-09-23
Online published: 2025-06-16
This article reviews the research progress on the effects of photosynthetic carbon allocation-driven rhizosphere processes (root system architecture, root exudates, and mycorrhizal pathways) on plant phosphorus (P) uptake, focusing on four key aspects: the importance of phosphorus in crop growth, pathways of photosynthetic carbon allocation, factors influencing photosynthetic carbon synthesis, and the interconnection between photosynthetic carbon and phosphorus absorption. As an essential nutrient element for plant growth, phosphorus plays a crucial regulatory role in the allocation and transportation of photosynthetic carbon between aerial and underground plant parts. Photosynthetic carbon is allocated belowground through multiple pathways: atmospheric release via rhizosphere respiration; temporary storage in roots to support root growth and development; deposition into surrounding soil as rhizodeposits; partial storage in soil microorganisms and fauna; and long-term sequestration in soil organic matter.The primary factors affecting photosynthetic carbon synthesis include nutrient levels, light intensity, and environmental variables (such as moisture and temperature). Photosynthetic carbon-drives diversified underground phosphorus acquisition strategies in plants, including root morphological adaptations, exudate secretion, and mycorrhizal fungal symbiosis, with significant variations in phosphorus uptake efficiency and carbon costs among different strategies. This review provides a theoretical foundation for optimizing phosphorus fertilizer management, enhancing crop yields, and mitigating environmental risks, offering significant implications for promoting green development in resource-efficient agriculture.
SUN Benben , GUO Jing . Research progress on the effects of photosynthetic carbon-driven rhizosphere processes on phosphorus absorption in plants[J]. Anhui Agricultural Science Bulletin, 2025 , 31(11) : 53 -57 . DOI: 10.16377/j.cnki.issn1007-7731.2025.11.012
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