Seed sexing revealed female bias in two Rumex species

• Autorzy: Kwolek B. , Joachimiak A.J.
• Języki publikacji: EN

Abstrakty

EN

Sex-ratio bias in seeds of dioecious Rumex species with sex chromosomes is an interesting and still unsettled issue. To resolve gender among seeds of R. acetosa and R. thyrsiflorus (two species with an XX/XY1Y2 sex chromosome system), this work applied a PCR-based method involving DNA markers located on Y chromosomes. Both species showed female-biased primary sex ratios, with female bias greater in R. acetosa than in R. thyrsiflorus. The observed predominance of female seeds is consistent with the view that the female biased sex ratios in Rumex are conditioned not only postzygotically but also prezygotically

Słowa kluczowe

EN

seed; female; Rumex; plant species; sorrel; Rumex acetosa; sex ratio; genetic marker; Rumex thyrsiflorus; sex chromosome

• Wydawca: -
• Czasopismo: Acta Societatis Botanicorum Poloniae
• Rocznik: 2011
• Tom: 80
• Numer: 2
• Opis fizyczny: p.93-97,fig.,ref.

Twórcy

autor

Kwolek B.

• Department of Plant Cytology and Embryology, Institute of Botany, Jagiellonian University, Grodzka 52, 31-044 Krakow, Poland

autor

Joachimiak A.J.

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