Borka

Symbol rozcestia O iných významoch výrazu Borka pozri Borka (rozlišovacia stránka).
Borka duba balkánskeho.
Poškodená borka na čerešni - zatretá farbou, ale strom bol schopný ju obnoviť.

Borka (lat. rhytidoma, suberoderma[1]; ľudovo: kôra) je odumretá, vrchná vrstva hustej stonky (kmeňa) alebo koreňa, ktorá tvorí pružný a vodu neprepúšťajúci ochranný obal. Tvoria ju odumreté bunky vonkajšej časti kôry a časti lyka, ktoré neskôr zdrevnatejú.[2]

Referencie

  1. borka. In: Encyclopaedia Beliana. 1. vyd. Bratislava : Encyklopedický ústav SAV; Veda, 2001. 686 s. ISBN 80-224-0671-6. Zväzok 2. (Bell – Czy), s. 219.
  2. Kuna, R., Koštál, L. Terminologický slovník biológie rastlín [online]. kbg.fpv.ukf.sk, 2006, [cit. 2013-01-04]. Dostupné online.

Pozri aj

Iné projekty

  • Spolupracuj na Commons Commons ponúka multimediálne súbory na tému Borka
  • Spolupracuj na Wikislovníku Wikislovník ponúka heslo Borka

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