Seasonal changes in the ultrastructure of the vascular cambium of Robinia pseudoacacia J. J. FarrarRay F. Evert ORIGINAL ARTICLE Pages: 191 - 202
Ultrastructure of cell division in the fusiform cells of the vascular cambium of Robinia pseudoacacia J. J. FarrarRay F. Evert ORIGINAL ARTICLE Pages: 203 - 215
Morphology and ecological significance of intra-annual radial cracks in living conifers P. CherubiniFritz Hans SchweingruberTheodor Forster ORIGINAL ARTICLE Pages: 216 - 222
Effects of increasing saturation vapour pressure deficit on growth and ABA levels in black spruce and jack pine Alan B. DarlingtonAnna HalinskaT. J. Blake ORIGINAL ARTICLE Pages: 223 - 228
Experiments on the water balance of individual attached twigs of Picea abies (L .) Karst. in pure and ozone-enriched air Uta Maier-Maercker ORIGINAL ARTICLE Pages: 229 - 239
Comparative measurements of chlorophyll a fluorescence, acid accumulation and gas exchange in exposed and shaded plants of Clusia minor L. and Clusia multiflora H. B. K. in the field T. E. E. GramsA. Haag-KerwerUlrich Lüttge ORIGINAL ARTICLE Pages: 240 - 247
Hydrogen fluoride effects on plasma membrane composition and ATPase activity in needles of white pine (Pinus strobus) seedlings pretreated with 12 h photoperiod Krzysztof J. Rakowski ORIGINAL ARTICLE Pages: 248 - 253