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| Titel: |
The effect of subsurface aluminium on the growth and uptake of surface-applied phosphorus by wheat seedlings |
| Auteur: |
McLaughlin, M. J. James, T. R. |
| Verschenen in: |
Journal of plant nutrition |
| Paginering: | Jaargang 12 (1989) nr. 5 pagina's 603-620 |
| Jaar: |
1989-05 |
| Inhoud: |
Seedlings of four cultivars of wheat (Triticum aestivum L.) differing in tolerance to aluminium (Al) were grown for 14 to 20 days using a split-root sand/solution culture technique. Each culture tube was divided horizontally into two compartments by a root-permeable paraffin wax barrier, so that phosphorus (P) and aluminium (Al) supply could be varied in the upper 0-80 mm (surface) and lower 80-180 mm (subsurface) compartments, respectively. Root growth into the subsurface zone was enhanced by increased P supply to surface roots, but only in the absence of subsurface Al. Where subsurface Al was present, increased P supply to surface roots had no effect on the penetration of roots into the subsurface zone. Tolerance to Al in the cultivars used was therefore not related to the ability to translocate P to sites of Al injury. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 10 van 11 gevonden artikelen
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