The activity and localization of some hydrolytic enzymes during early embryogenesis oflilium regale after pollination with μ-frradiated pollen I. D. Georgieva OriginalPaper Pages: 337 - 344
Photodestruction of Chlorophyll inZea mays L. Leaves Under Different CO2 Concentration Z. LechowskiJ. Białczyk OriginalPaper Pages: 345 - 353
Water and Osmotic Potentials of Ethephon-Treated Maize Genotypes Varying in Drought Resistance W. P. LuM. B. KirkhamC. E. Wassom OriginalPaper Pages: 354 - 357
An immunochemical testing of pathophysiological reactions of several PSTVinfected tomato (Lycopersicon esculentum L.) cultivars J. MatouŠekJ. SchubertS. Píša OriginalPaper Pages: 358 - 365
Simultaneous Study of NH+ 4, Na+, Mg2+, Ca2+, NO2- 3, SO2- 4, (NO- 2), H{2in}PO- 4 and CI- Uptake by Intact Winter Wheat Seedlings in a Single Depletion ExperimentPO- 4 and CI- Uptake by Intact Winter Wheat Seedlings in a Single Depletion Experiment I. Matejovič OriginalPaper Pages: 366 - 376
Attempts at Multiplication, Purification, Electron Microscopy, and Characterisation of Three Isolates of the Strawberry Mottle Agent J. PolákF. A. Van der MeerH. Huttinga OriginalPaper Pages: 377 - 385
Uptake of Lead and Cadmium by Maize Seedlings and the Effect of Heavy Metals on the Activity of Phosphoenolpyruvate Carboxylase Isolated from Maize Martina VojtěchováSylva Leblová OriginalPaper Pages: 386 - 394
Proposed Enzymes of Auxin Biosynthesis and Their Regulation II. Tryptophan Dehydrogenase Activity in Plants. M. KutačekSultana Terziivanova-dimova OriginalPaper Pages: 395 - 407
Proposed Enzymes of Auxin Biosynthesis and Their Regulation III. Some Properties of Pea Indolylacetaldehyde Oxidase M. KutáčekSultana Terziivanova-dimova OriginalPaper Pages: 408 - 416
The Utilization of Degree Days for the Characterization of Developmental Stages of 26 Winter Wheat Cultivare Zdeňka NÁTROVÁL. NÁTR OriginalPaper Pages: 417 - 429