New Forests

, Volume 21, Issue 2, pp 127–140 | Cite as

Effect of water stress conditioning on morphology, physiology and field performance of Pinus halepensis Mill. seedlings

  • Antonio Royo
  • Luis Gil
  • José A. Pardos


Five-month-old Pinus halepensis Mill. seedlings were subjected to 4 irrigation treatments for 8 weeks. After the treatments, morphological and physiologicalattributes assessed included height, diameter, dry weight, water relations parameters, and determination of N, P, K, soluble carbohydrates, and starch concentrations. The remaining seedlings were field planted. Survival and height growth were recorded forfour growing seasons after planting. The mostsignificant effect of irrigation was onmorphology. Increased irrigation lead toseedlings with significantly higher height,root collar diameter and shoot and rootbiomass. Starch and soluble carbohydrateconcentrations were also affected byirrigation. However, parameters derived frompressure-volume curves were not significantlydifferent among treatments, nor were N, P, andK concentrations. There were no differencesamong treatments for survival in the field,which was highly related to summer rainfall. Incomparison, absolute and relative heightgrowth showed some significant but minordifferences among treatments.

Aleppo pine morphology non-structural carbohydrates nursery irrigation osmotic adjustment 


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Antonio Royo
    • 1
  • Luis Gil
    • 1
  • José A. Pardos
    • 1
  1. 1.Departamento de Silvopascicultura, Escuela Técnica Superior de Ingenieros de MontesUniversidad Politécnica de MadridMadridSpain

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