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Original Articles

INBREEDING INFLUENCE ON SEXUAL REPRODUCTION OF ACHNANTHES LONGIPES AG. (BACILLARIOPHYTA)

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Pages 21-29 | Published online: 31 Oct 2011
 

Abstract

While crossing inbred clones of Achnanthes longipes Ag., obtained in laboratory culture, various kinds of sexual processes took place that were not characteristic of clones isolated from natural populations. “Normal” and “reduced” reproductive types, intermediates between these, paedogamous gamete fusion and haploid parthenogenesis were found in mixed cultures of clones from the first inbred generation. Furthermore, polyploid and triradiate auxospores were observed when clones of the second inbred generation were crossed.

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