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Investigation of Biochemical Defense Mechanisms in Beech Trees

Workshop meeting in Ljubljana where participants Karin Herbinger, Klaus Remele, Maria Müller, Dieter Grill, and Michael Tausz from the Institute of Plant Sciences, University of Graz, Austria, present their investigations on biochemical defense mechanisms in beech trees. The study includes analysis of the ascorbate system, glutathione system, tocopherols, chloroplast pigments, and chromosomal damages. The research is conducted on adult trees and saplings from May to October 2003-2004.

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Investigation of Biochemical Defense Mechanisms in Beech Trees

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  1. Spring Workshop Meeting Ljubljana Participant 8 Karin Herbinger, Klaus Remele, Maria Müller, Dieter Grill & Michael Tausz Institute of Plant Sciences, University of Graz, Austria

  2. Investigations • Biochemical defense • Ascorbate system • Glutathione system • Tocopherols • Chloroplast pigments • Chromosomal damages • Aberration rates

  3. Adult trees and saplings Pigments Tocopherol May – October 2003-2004

  4. Total chlorophyll

  5. -Carotene

  6. Viola- + Anthera- + Zeaxanthin

  7. -Tocopherol

  8. It is not possible to differ between the effects of leaf age and effects of ozone!

  9. Saplings Ascorbate system Glutathione system September 2003-2004

  10. Total Glutathione 2003 2004

  11. Total Ascorbate 2003 2004

  12. Roots Tocopherol Chromosomal aberrations Ascorbate system Glutathione system

  13. -Tocopherol Roots of adult trees 2003 2004

  14. -Tocopherol Roots of saplings 2003 2004

  15. Metaphase aberrations in beech Bars = 10m

  16. Chromosomal aberration root tips

  17. Thank you!

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