Flower Bud Differentiation in Quercus suber L.

Elisa Novelli, Maria Carolina Varela, Teresa Valdiviesso, Cândida Sofia Trindade

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review


Background and Purpose: Cork oak (Quercus suber L.) is one of the most important forest species growing in the Western Mediterranean region. This investigation intends to assess the timing of flowering differentiation of cork oak and contribute to the deepening of the knowledge about the process of the sexual reproduction of the species. Materials and Methods: In 2010 four trees were selected (9, 14, 24, 25) from a plot of 25 trees located at Quinta da Serra, Portugal. A total of 240 buds were collected from these four trees, on three days (8, 14 and 23 March), from 4 branches per tree and 5 positions per branch for the assessment of meristem differentiation. Results: Meristem differentiation analysed on the sampling days revealed there were only vegetative structures by 8 March; a few male and female primordia on 14 March; and fully differentiated reproductive structures on 23 March. Conclusions: Flowering sex determination of cork oak occurs about one month before the flowering onset.
Lingua originaleEnglish
pagine (da-a)65-70
Numero di pagine6
RivistaSouth-East European Forestry
Stato di pubblicazionePubblicato - 2016
Pubblicato esternamente


  • Meristem differentiation
  • bud histology
  • cork oak
  • flower sexual determination
  • phenology


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