Access

You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:

login

Log in to your personal account or through your institution.

The Use of a Simple Dynamic Model to Interpret the Phosphate Response of Plants Grown in Solution Culture

M. A. SCAIFE
Annals of Botany
Vol. 40, No. 170 (November 1976), pp. 1217-1229
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42756398
Page Count: 13
  • Download ($42.00)
  • Cite this Item
The Use of a Simple Dynamic Model to Interpret the Phosphate Response of Plants Grown in Solution Culture
Preview not available

Abstract

A previously published dynamic model of P uptake and plant growth has been applied to two sets of solution culture data: those of Rorison (1968) for two contrasting wild species, and those of Brewster, Bhat and Nye (1975) for onions. Apart from the logistic constants describing the growth curves of plants with adequate P, all other constants were independently obtained and assumed to be the same for all species. Plant weights, P concentrations and solution P concentrations are all reasonably well simulated by the model for both experiments. The big difference in responsiveness between fast-and slow-growing species in Rorison's experiment is shown to be attributable to differential depletion of the solutions. The use of simulation models which incorporate the depletion of the growing medium might be regarded as an alternative to attempting to eliminate depletion in such experiments.

Page Thumbnails

  • Thumbnail: Page 
[1217]
    [1217]
  • Thumbnail: Page 
1218
    1218
  • Thumbnail: Page 
1219
    1219
  • Thumbnail: Page 
1220
    1220
  • Thumbnail: Page 
1221
    1221
  • Thumbnail: Page 
1222
    1222
  • Thumbnail: Page 
1223
    1223
  • Thumbnail: Page 
1224
    1224
  • Thumbnail: Page 
1225
    1225
  • Thumbnail: Page 
1226
    1226
  • Thumbnail: Page 
1227
    1227
  • Thumbnail: Page 
1228
    1228
  • Thumbnail: Page 
1229
    1229