Theoretical evidence for the functional benefit of root cortical aerenchyma in soils with low phosphorus availability.

@article{Postma2011TheoreticalEF,
  title={Theoretical evidence for the functional benefit of root cortical aerenchyma in soils with low phosphorus availability.},
  author={Johannes Auke Postma and Jonathan Paul Lynch},
  journal={Annals of botany},
  year={2011},
  volume={107 5},
  pages={
          829-41
        }
}
BACKGROUND AND AIMS The formation of root cortical aerenchyma (RCA) reduces root respiration and nutrient content by converting living tissue to air volume. It was hypothesized that RCA increases soil resource acquisition by reducing the metabolic and phosphorus cost of soil exploration. METHODS To test the quantitative logic of the hypothesis, SimRoot, a functional-structural plant model with emphasis on root architecture and nutrient acquisition, was employed. Sensitivity analyses for the… CONTINUE READING

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Beans form less RCA and the smaller benefit of having RCA in beans may be an evolutionary explanation for less production of RCA in beans than in maize

Zhu
  • 2010