Respiration of sugar-beet leaves during illumination, with simultaneous photosynthesis A. S. OkanenkoD. M. GrodzinskyV. P. Batyuk OriginalPaper Pages: 169 - 179
The effect of photoperiodic régime on vernalization of winter wheat Jan Krekule OriginalPaper Pages: 180 - 191
Antagonism betweenRhizoctonia solani Kühn and certain soil saprophytes: A laboratory study K. B. Deshpande OriginalPaper Pages: 192 - 199
The cytological evaluation of some pear-sorts cultivated in Czechoslovakia Jan Uhlík OriginalPaper Pages: 205 - 214
Transmission ofMarmor cichorii Kvíčala toChenopodium giganteum Don Jaroslav Brčák OriginalPaper Pages: 215 - 216
The use of the quantitative ring precipitation reaction for determining the intensity of cross reactions with special reference to comparative serology Josef Kloz OriginalPaper Pages: 217 - 227
On the determination of the course and termination of photoperiodic sensitivity in spring wheat (Triticum aestivum L.) Fbideta Sbidlová-Blumová OriginalPaper Pages: 234 - 244
Application of the leaf-disk method to the determination of photosynthesis in cereals Lubomír NátrJosef Špidla OriginalPaper Pages: 245 - 251