Razmerja med lastnostmi in morfološko raznolikostjo akcesij krušne pšenice (Triticum aestivum L.) iz osnovne zbirke Plant Genetic Resources Institute, Albanija

Doriana Bode XHULAJ, Fetah ELEZI, Valbona HOBDARI

Povzetek


Predmet raziskave je bilo ovrednotenje morfološke variabilnosti 92 genotipov navadne pšenice (Triticum aestivum L.) iz ex situ zbirke Inštituta za genetske resurse (Plant Genetic Resources Institute), Kmetijske univerze v Tirani (Agricultural University of Tirana). Analiza glavnih komponent in klasterska analiza sta bili izvedeni na 8 količinskih lastnostih kot so sposobnost bilčenja, višina rastlin, dolžina klasa, število klaskov v klasu, število semen v klasku, število semen na klas, velikost semen in masa semen na klas. Višina rastlin je pokazala značilno pozitivno korelacijo z lastnostmi, ki so povezane s pridelkom kot je dolžina klasa (r = 0,560) in število klaskov na klas (r = 0,305). Število zrn na klas je imelo značilno pozitivno povezanost z maso zrn na klas. Tri glavne komponente so pokazale 66,42 % variabilnosti od katerih sta dve prispevali večji del (PC1 28,1 % in PC2 24,43 %). Akcesije so se združevale v tri glavne povezane skupine, kar kaže, da je bila variabilnost znotraj razreda 27,50 % in 72,50 % med razredi. Rezultati kažejo, da so najpomembnejše lastnosti, po katerih se razlikujejo genotipi višina rastlin, dolžina klasa in število klaskov na klas.

Ključne besede


krušna pšenica; grozd; PC, morfologija; lastnosti; variabilnost

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2019.113.1.14

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