Pošlji prispevek (e-pošta) Prvo morfološko ovrednotenje samoniklih akcesij oljk (Olea europaea L.) iz osrednje in vzhodne Alžirije
Povzetek
Populacije oljke (Olea europaea L.) so v Alžiriji slabo preučene. Dejansko je bilo celokupno preučenih le 60 akcesij, ki so navedene v literaturi, a od teh je bilo opisanih le 36 sort, ki so navedene v katalogu alžirskih oljčnih sort. V tej raziskavi je pregledu diverzitete na terenu sledila raziskava morfoloških lastnosti in določitev Shannonevega indeksa raznolikosti akcesij nabranih v osrednji in vzhodni Alžiriji. Na osnovi raziskave smo lahko zabeležili 33 novih tipov, ki še niso bili omenjeni v literaturi. Morfološko ovrednotenje je temeljilo na znakih kot so lastnosti drevesa, ploda in endokarpa, kar nam je omogočilo morfološki opis 23 tipov. Z analizo glavnih component, korespondenčno analizo in analizo hierarhične klasifikacije smo te akcesije lahko razvrstili v pet skupin. Vrednost relativne raznolikosti je za vse akcesije nekoliko pod poprečjem (0,42). Rezultati, pridobljeni v tej raziskavi, dajejo koristne informacije o morfoloških lastnostih preučevanih akcesij in nakazujejo kritične razmere, v katerih so bile številne akcesije najdene, kar predstavlja veliko tveganje za genetsko erozijo.
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DOI: http://dx.doi.org/10.14720/aas.2020.116.2.1923
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