Diploidisierung und Polyploidisierung mixoploider Wurzelspitzen Bohumil Němec OriginalPaper Pages: 161 - 164
Study of a papain activation factor present in the dialysable fraction of soyabean extract Krishna BahadurIndra Saxena OriginalPaper Pages: 165 - 170
Changes in crossing over frequency in barley caused by different concentrations of calcium and magnesium Miloš Ondřej OriginalPaper Pages: 171 - 174
Inhibition of respiration by sodium fluoride and monoiodoacetic acid in wheat leaves at different oxygen tensions and in the presence of methylene blue and L-cysteine Marie Krejcarová OriginalPaper Pages: 175 - 182
The effect of humic acid on transamination in winter wheat plants Alena Činčerová OriginalPaper Pages: 183 - 188
Physiology of the cold-resistance of maize during Germination. the reaction of maize (Zea mays L.) to low temperature during germination and its cold-resistance Vladimír Segeťa OriginalPaper Pages: 189 - 197
Respiration of intact and damaged plants ofSpirodela oligorhiza SCHL Jiřina Dvoěáková-Hladká OriginalPaper Pages: 198 - 201
The modification of antigenic properties of tissues during seed germination and development of horse bean plants (Vicia faba) V. GhetieL. Buzila OriginalPaper Pages: 202 - 208
Randomization of carbon atoms in the glucose molecule and changes of specific radioactivity of14CO2 liberated by the callus tissue ofDaucus carota L. from glucose-6- and -1-14C Jiří LuštinecVěra Hadačová-PokornáEva Petrů OriginalPaper Pages: 209 - 218
The anatomy of the shoot apex of wheat (Triticutn aestivum L.) during transition from the vegetative to the reproductive state and the determination of the primordia J. OpatrnáF. SeidlováK. Beneš OriginalPaper Pages: 219 - 225
Changes in the anatomical structure of the shoot apex ofSenecio vulgaris L. during ontogenis in relation to the formation of leaves and inflorescence Frideta SeidlováBořivoj HořavkaJan Krekule OriginalPaper Pages: 226 - 231
Enzymatic synthesis of 5-bromo-2’-deoxyuridine-2-14C and of 5-iodo-2’-deoxyuridine-2-14C and their incorporation into deoxyribonucleic acid (Allium cepa) V. FučíkJ. Káká OriginalPaper Pages: 232 - 235
Preservative effect of saccharose solution on some plant viruses Zdenko Polák Brief Communication Pages: 238 - 239
The identification of hybrids ofPhaseolus vulgar is L. ×Phaseolus coccineus L. Using immunoehemical methods Eva KlozováJosef Kloz Brief Communication Pages: 240 - 241