Auxin Distribution in Spruce Needles

Ursula Fackler, Juliette Reich, Bertold Hock

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Auxin was extracted from needles of Picea abies as free and as total IAA. It was quantified with the aid of a solid-phase enzyme immunoassay. The dependence of auxin levels on the position of the needle on the tree, shading, season, and age of the tree is described for representative examples with ages between 8 and 25 years. Marked differences were found especially for free IAA levels. The consideration of absolute auxin levels for an evaluation of the health status of conifers is questioned.

Original languageEnglish
Pages (from-to)163-172
Number of pages10
JournalJournal of Plant Physiology
Volume126
Issue number2-3
DOIs
StatePublished - 1986

Keywords

  • auxin
  • conifers
  • EIA
  • enzyme immunoassay
  • enzyme immunoassay
  • fresh weight
  • FW
  • gas chromatography-mass spectrometry
  • GC-MS
  • high performance liquid chromatography
  • HPLC
  • IAA
  • indol-3yl-acetic acid
  • indol-3yl-acetic acid
  • Picea abies (L) KARST

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