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Résultats 11-20 de 26
Detection of damages of trees with time-resolved luminescence
1991
Schneckenburger, H. (Fachhochschule Aalen (Germany)) | Schmidt, W.
Changes in photosynthetic activity, chlorophyll-fluorescence parameters and pigment content of differently damaged Norway spruces during the vegetation period
1991
Rinderle, U. (Karlsruhe Univ. (Germany). Botanisches Inst.) | Lichtenthaler, H.K.
[Influence of leaf and needle surface structure of forest trees on sulphur content and the deposition and uptake of heavy metals]
1986
Rentschler, I. (Hohenheim Univ. Stuttgart (Germany, F.R.). Inst. fuer Physik) | Schreiber, H.
Correlation between shed-discoloration and the mycoflora of Norway spruce needles
1991
Seemann, D. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg (Germany))
Histological and histochemical investigations on the nutrient dynamics in forest trees with regard to the "New-type forest decline". 3. Localization studies
1990
Fink, S. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie. Abt. Biochemie der Pflanzen)
Physiological and biochemical investigations into the yellowing of spruce at higher altitudes. Pt. 5: Effects of combined stress at the Freudenstadt site and of single stress factors on components of the photosynthetic apparatus
1992
Siefermann-Harms, D. (Kernforschungszentrum Karlsruhe (Germany). Inst. fuer Genetik und Toxikologie) | Steegborn, J.
Physiological and cytomorphological investigations of undamaged and damaged spruce trees in the Northern Black Forest
1992
Wild, A. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Tietz-Siemer, S.
Histological and histochemical investigations on the nutrient dynamics in forest trees with regard to the "New-type forest decline".5. Further results on the behaviour of calcium and magnesium in various tissues
1992
Fink, S. (Freiburg Univ. (Germany). Inst. fuer Forstbotanik und Baumphysiologie)
CO2-gas-exchange and transpiration of open grown Norway spruce during the year in higher elevations of the Southern Black Forest under local air conditions with and without O3 respectively
1992
Abetz, P. (Freiburg Univ. (Germany). Inst. fuer Waldwachstum) | Kuenstle, E. | Wolfart, A.
Gas exchange and metabolite pools of the carbohydrate and energy metabolism in needles of spruce with different decline symptoms (diurnal and annual changes)
1992
Einig, W. (Tuebingen Univ. (Germany). Botanisches Inst. Abt. Physiologische Oekologie der Pflanzen) | Groschupp, C. | Zimmer-Rinderle, U. | Egger, B. | Hampp, R. | Lichtenthaler, H.K.