Vol 48, No 2 (1979)

Table of Contents

Nucleic acids synthesis in normal and tumorous tobacco calluses treated with hydroxyurea in vitro
Aldona Rennert
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131-145
Some effects of grafting on the abscission of leaves of early and late shedding plants of Corchorus olitorius L.
Samir Chatterjee
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147-155
Ammonium and potassium effect on nitrate assimilation in cucumber seedlings
J. Buczek
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157-169
Cytochemical localization of peroxidase activity in early developmental stages of the moss Ceratodon purpureus. Light-microscopic observations
B. Politycka, F. Młodzianowski, A. Woźny
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171-177
Effect of hydroxyurea on mitotic activity 3H-thymidine and 3H-phenylalanine incorporation in the antheridial filament cells of Chara vulgaris
Anastazja Bilecka
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179-193
Tannin vacuoles and starch in the development of Scots pine (Pinus sihestris) vegetative buds
Alina Hejnowicz
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195-203
Chromatographic analysis of phenol compounds in six natural populations of Anthyllis vulneraria (L.)
Andzrej Kalinowski, Sławomir Bartkowiak
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205-215
Studies on antigenic differences in needle proteins of Pinus sylvestris L., P. mugo Turra, P. uliginosa Neumann and P. nigra Arnold
W. Prus-Głowaci, J. Szweykowski
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217-238
Inheritance of changes conditioned by the leaf-reducing gene in Swedish clover (Tnfolium hybridum L.)
T. Kazimierski, E. M. Kazimierska
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239-253
The effect of inductive photoperiod on flower formation and phytohormones level in a long day plant Hyoscyamus niger L.
J. Kopcewicz, G. Centkowska, K. Kriesel, Y. Yatorska
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255-265
Assessment of soybean (Glycine max) vigour by the seed leachate conductivity assay
J. S. Knypl
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267-277
About the cause of the stimulative effect of humate in yeast cultures
S. Gumiński, J. Sulej
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279-293
The possible relation between cytokinins and secondary xylem formation in Pinus silvestris. I. Seasonal correlations
Dorota B. Kubowicz
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295-303
Electrical properties of Lupinus angustifolius L. stem. III. RC model, time constant, latency and threshold charge
Tadeusz Zawadzki
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305-315
Quantitative variation of flavonoids and related compounds in Cosmos bipinnatus
Koho Saito
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317-325
Phenolic acids of native species of the Rosa L. genus in Poland
W. Krzaczek, T. Krzaczek
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327-336
Contribution to the discussion: Are the embryos of the apple tree cv. Antonovka in a state of dormancy? and an answer to Lewak's critical note on the paper of Czerski and Jankowska
Jerzy Poskuta, Jerzy Czerski
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337-348