Functional Plant Biol. volume 30, issue 5, P493 2003 DOI: 10.1071/fp03046
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Mingshou Fan, Jinming Zhu, Christina Richards, Kathleen M. Brown, Jonathan P. Lynch
Abstract:

Low phosphorus availability induces the formation of cortical aerenchyma in roots. The adaptive significance of this response is unknown. We hypothesized that aerenchyma may be helpful to low-phosphorus plants by reducing root respiratory and phosphorus requirements, thereby increasing the metabolic efficiency of soil exploration. To test this hypothesis we investigated aerenchyma formation, root respiration and tissue phosphorus concentration in maize and common bean genotypes in response to phosphorus a…

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