Reduced pollen viability and achene development in Solidago x niederederi Khek from Poland

• Autorzy: Migdalek G. , Kolczyk J. , Pliszko A. , Koscinska-Pajak M. , Slomka A.
• Języki publikacji: EN

Abstrakty

EN

Pollen and achene characters of natural interspecific hybrid Solidago ×niederederi Khek were analyzed and compared with putative parental species S. virgaurea L. and S. canadensis L. to estimate the level of disturbances in generative reproduction resulting from its hybrid nature. Pollen viability (stainability) of Solidago ×niederederi from one newly discovered locality in NE Poland was evidently reduced to ~65% in both viability tests (acetocarmine and Alexander). The diameter of viable pollen (median 21.11 μm) fell between S. canadensis (median 19.52 μm) and S. virgaurea (median 23.48 μm). Both parental species produced normally developed achenes with high frequency (~90%) whereas in the hybrid, the seed set was dramatically low (6%). The results clearly indicated that sexual reproduction of hybridogenous taxon S. ×niederederi is disturbed, and its potential impact as an invasive species depends mainly on vegetative propagation.

Słowa kluczowe

EN

pollen grain; pollen viability; acetocarmine test; achene; development; Solidago x niederederi; hybrid; Poland

• Wydawca: -
• Czasopismo: Acta Societatis Botanicorum Poloniae
• Rocznik: 2014
• Tom: 83
• Numer: 3
• Opis fizyczny: p.251-255,fig.,ref.

Twórcy

autor

Migdalek G.

• Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland

autor

Kolczyk J.

• Department of Plant Cytology and Embryology, Institute of Botany, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland

autor

Pliszko A.

• Department of Plant Taxonomy, Phytogeography and Herbarium, Institute of Botany, Jagiellonian University, Kopernika 27, 31-501 Krakow, Poland

autor

Koscinska-Pajak M.

• Department of Plant Cytology and Embryology, Institute of Botany, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland

autor

Slomka A.

• Department of Plant Cytology and Embryology, Institute of Botany, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland

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Identyfikatory

DOI

10.5586/asbp.2014.025