Vol 44, No 1 (1975)

Table of Contents

Development of tomato plants growing on nutrient solution containing ammonium salts in the presence of various doses of potassium
J. Stabrowska, J. Kozłowska
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3-13
Vegetative multiplication and regeneration of Polytrichuin commune populations
Jadwiga Mickiewicz
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15-24
The ultrastructure of chloroplasts in variegata irregulare mutants of garden petunias (Petunia hybrida hort. superbissima)
Stanisław Muszyński
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25-28
Autoradiographic study of 3H colchicine binding in synchronously dividing cells of antheridial filaments of Chara vulgaris L. during successive stages of development
Maria J. Olszewska
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29-39
Changes in protein content and activity of proteases and acid phosphatases in needles of Norway spruce (Picea abies L. Karst) seedlings treated with 2,4,5-T
Jan Tonecki
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41-49
Calcium-Magnesium salt of saponins from bird's foot trefoil seeds (Lotus corniculatus L.)
Piotr M. Górecki, Marian Jurzysta
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51-55
Floral vasculature and trichomes of common Indian Scrophulariaceae
P. C. Datta, Arati Deb
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57-85
Exchange of Radioactive Phosphorus 32P between the Components of an Artificial Plant Community
K. Zarzycki, A. Domnicz
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87-93
Activity of cytoplasmic N AD+- dependent dehydrogenases in the cotyledons of soaked Leguminous seeds
Hanna Mazurowa, Ryszard W. Schramm
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95-105
The influence of soaking injury of seeds on the activity of cytoplasmic N AD+-dependent dehydrogenases in the cotyledons of Pisum sativum L. and Phaseolus vulgaris L.
Ryszard W. Schramm, Hanna Mazurowa
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107-113
Organization of the cytoplasmic reticulum in the central vacuole of parenchyma cells in Allium cepa L.
Tomasz J. Wodzicki, Claud L. Brown, Walter J. Humpherys
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115-122
Response of pine hypocotyl sections to growth regulators and related substances
J. Zakrzewski
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123-132
The effect of calcium to magnesium ratio on adenosine triphosphatases from wheat roots
J. Buczek
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133-141
Metabolism of excised embryos of Lupinus luteus L. VII. An electrophoretic analysis of esterases and peroxidases in cultured embryos and normal seedling axes
J. Czosnowski
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143-150