Effects of paclobutrazol application and fruit load on microelement concentrations in peach leaves

  • E. Monge
  • P. Madero
  • J. Val
  • A. Blanco
Chapter
Part of the Developments in Plant and Soil Sciences book series (DPSS, volume 53)

Abstract

‘Catherina’ peach trees (Prunus persica (L.) Bastch.) were soil-treated at full-bloom with paclobutrazol (Pbz) or left untreated and one month later fruit-thinned to leave four different cropping levels from full crop to none. Leaf samples were harvested on different dates from July 9 to 31 October and analysis of mineral elements made by AAS. The concentrations of Fe and Mn were always greater in leaves from Pbz treated trees than in the controls, while Zn and Cu concentrations remained unaffected. On all sampling dates, the concentration of Mn decreased linearly with increasing levels of cropping. No effects of the cropping level were observed in the concentrations of the other elements analysed.

Key words

crop load copper iron manganese microelements paclobutrazol peach Prunus persica (L.) Bastch. zinc 

Abbreviations

AAS

atomic absorption spectrometry

Pbz

paclobutrazol

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Copyright information

© Springer Science+Business Media Dordrecht 1993

Authors and Affiliations

  • E. Monge
    • 1
  • P. Madero
    • 1
  • J. Val
    • 1
  • A. Blanco
    • 1
  1. 1.Estación Experimental de Aula DeiCSICZaragozaSpain

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