Vol 42, No 2 (1973)

Table of Contents

Results of research on pollen fall-out in the atmospheric ground layer
Stefania Tyczyńska
PDF
183-191
Changes in the electrophoretic pattern of glucosidases during apple seeds stratification
A. Podstolski, St. Lewak
PDF
193-199
Isolation and chemical characterization of saponins from lucerne seeds (Medicago media Pers.)
Marian Jurzysta
PDF
201-207
Fractions of nucleic acids in seedlings and leaves of winter wheat in the vegetative and generative development phases
W. Filek
PDF
209-222
Effect of vanadium on nitrate reductase activity in tomato leaves
J. Buczek
PDF
223-232
Influence of low temperature on germination and endogenous growth regulator contents in Scots Pine (Pinus silvestris L.) seeds
J. Kopcewicz, Z. Poraziński
PDF
233-240
The radioecology of Pogonatum urnigerum (L.) Pal. Beauv.
J. Sarosiek, W> Koła, A. Orda
PDF
241-252
Selffertilization in Campanula rotundifolia L. s. 1. group
Halina Bielawska
PDF
253-264
Ultrastructure of the elementary fibril in extended and condensed chromatin and in metaphase chromosomes
M. J. Olszewska
PDF
265-279
Effect of morphactine on differentiation and development of Cymbidium Sw. protocorms cultured in vitro
K. Kukułczanka, B. Twarda-Pędota
PDF
281-294
Translocation of the generative cell towards the centre of the pollen grain due to changes in the vacuolar system in Ranunculus repens L.
Maria Charzyńska
PDF
295-300
Disc electrophoretic investigation of Coffea arabica and Coffea canephora - general protein and malate dehydrogenase of cotyledonary leaves
A. R. Oliveira, R. C. Payne, D. E. Fairbrothers
PDF
301-308
Studies on the androgenesis in cultured anthers of Atropa belladonna L.
E. Misiura, M. Zenkteler
PDF
309-322
Double fertilization in Helianthus
J. Telżyńska, H. Telżyński
PDF
323-343