Vol 67, No 1 (1998)

Table of Contents

Morphogenesis of root nodules in white clover. II. The effect of mutation in genes nod IJ of the microsymbiont upon the nodule structure
Barbara Łotocka, Joanna Kopcińska, Władysław Golinowski
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5-22
Morphogenesis of root nodules in white clover. III. The effect of mutation in nod IJ genes of the microsymbiont upon the DNA level in the host tissue
Barbara Łotocka, Władysław Golinowski
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23-29
Callus formation and plant regeneration from protoplasts of sunflower calli and hypocotyls
Conceição Santos, Gustavo Caldeira
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31-36
Embryological studies of reciprocal crosses between Vicia faba and Vicia narbonensis
Maciej Zenkteler, Mechtild Tegeder, Otto Schieder
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37-43
Pollen germination in vitro of Mexican Crataegus spp.
M. W. Borys, Ma F. Soria Alatorre, A. B. Salazar
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45-49
Dynamics of frost resistance in various provenances of Abies grandis Lindl.
Adam Dolnicki, Wojciech Kraj
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51-58
ABA in photoperiodic induction of Pharbitis nil.
Halina Kulikowska-Gulewska, Elżbieta Galoch, Jan Kopcewicz
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59-63
Triterpene saponins from the aerial parts of Dianthus caryophyllus var. remontant Hort.
Olesia Gumnicka, Wiesław Oleszek
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65-68
Rhodiola rosea in vitro culture - phytochemical analysis and antioxidant action
Mirosława Furmanowa, Ewa Skopińska-Rozewska, Ewa Rogala, Małgorzata Hartwich
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69-73
Isoenzymatic variability in some of the Polish populations of Norway spruce (Picea abies) in the IUFRO-1972 provenance trial
Jerzy Modrzyński, Wiesław Prus-Głowacki
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75-82
Biochemical characterization of two sibling species in the liverwort Pellia epiphylla (L.) Corda (Hepaticae, Pelliaceae)
Wiesław Prus-Głowacki, Roman Zieliński, Jerzy Szweykowski
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83-86
Materials to North American lichen flora
Jan Bystrek, Jerzy Fabiszewski
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87-93
Assessment of the degree of synanthropization of vegetation in the urban lakes in Ostróda (Masurian Lake District)
Hanna Ciecierska
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95-103
Heavy metal content and localization in mycorrhizal Euphorbia cyparissias zinc wastes in southern Poland
Katarzyna Turnau
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105-113
Aluminium tolerance of different Paxillus involutus Fr. strains originating from polluted and nonpolluted sites
Maria Rudawska, Tomasz Leski
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115-122