Vol 45, No 1–2 (1976)

Table of Contents

Rape embryogenesis I. The proembryo development
Teresa Tykarska
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3-16
The use of biological tests for establishing the influence of flue dust from lead and zinc works on plant development
Maria Świeboda
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17-32
Alkylresorcinols in rye (Secale cereale L.) caryopses. III. Application of detergents for extraction of proteins and alkylresorcinols
W. Mejbaum-Katzenellenbogen, J. Łomako, W. Łomako
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33-43
Influence of histones and calcium and magnesium ions on the ultrastructure of chromatin in isolated nuclei of Pinus silvestris L. root meristem
Halina Michniewicz
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45-57
Radioecology of Picea excelsa (L.) Lam
Jan Sarosiek, Irena Iwen
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59-68
A revision of ligule and labium in Isoëtes
H. K. Goswami
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69-76
The role of light in the inducation of nitrate reductase and nitrite reductase in cucumber seedlings
J. Buczek
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77-92
Investigations on some metabolites of Tecoma stans Juss. callus tissue. Part I. Tissue culture
Barbara Dohnal
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93-100
Effect of herbicides on photosynthetic electron transport and on the growth of the alga Scenedesmus quadricauda
W. Hendrich, Z> Kubiak, K. Jurajda, M. Pawlaczyk-Szpilowa
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101-110
Comparative studies on the carbohydrate, protein and acid phosphatase contents in seeds of some rye (Secale cereale) varieties
B. Morawiecka, I. Lorenc-Kubis, E. Wieczorek, A. Kubicz
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111-117
Cytochemical localization of peroxidase activity in the protonema of the moss Ceratodon purpureus during differentiation of gametophore buds induced by kinetin
A. Sobkowiak, F. Młodzianowski, A. Szweykowska
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119-125
Effects of ionizing-radiation and post-radiation action of some plant growth regulators on the seed germination and seedling growth of Scotch pine
Leszek Michalski
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127-134
Development of the embryo in some species of the genus Delphinium L.
Henryk Babis
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135-142
A descriptive model o Scots pine (Pinus silvestris) L. seedling's growth during the first growing season
Teresa Gowin, Leokadiusz Ubysz
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143-158
Method for isolation and identification of potato virus M, S, X, Y
M. Czupryn, M. Błaszczyk, S. Skrzeczkowska
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159-167
Microsporogenesis of Betula oycoviensis Bess. and of its progeny
Anna Szwabowicz
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169-184