Vol 67, No 2 (1998)

Table of Contents

Initial transitions, order and disorder in phyllotactic patterns: the ontogeny of Helianthus annuus: a case study
Yves Couder
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129-150
Two algorithms of determining the middle point of the shoot apex by surrounding organ primordia positions and their usage for computer measurements of divergence angles
Adam Matkowski, Radosław Karwowski, Beata Zagórska-Marek
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151-159
Organ and plantlet regeneration of Menyanthes trifoliata through tissue culture
Urszula Adamczyk-Rogozińska, Halina Wysokińska
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161-166
Cytopathological characteristics of tomato spotted wilt virus isolates
Anna Rudzińska-Langwald, Maria Kamińska
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167-173
Tissue-specific DNA methylation in Haemanthus katharinae Bak. (Amaryllidaceae)
Tomasz Sakowicz, Maria J. Olszewska, Piotr Łuchniak, Joanna Kaźmierczak
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175-180
Anatomical structure and surface micromorphology of tomatillo leaf and flower (Physalis ixocarpa Brot., Solanaceae)
Barbara Dyki, Leszek S. Jankiewicz, Mirosław Staniaszek
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181-191
The metabolism of ageing seeds: changes in the raffinose family oligosaccharides during storage of field bean (Vicia faba var. minor Harz) seeds
Kazimierz Zalewski, Lesław B. Lahuta
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193-196
Uptake and assimilation of ammonium ions by cucumber seedlings from solutions with different pH and addition of heavy metals
Marek Burzyński, Józef Buczek
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197-200