Multivariate evaluation of variability of local rye accessions from different geographical regions based on morphological and agricultural traits
Helena Kubicka
sekretariat@ob.pan.plPolska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie (Poland)
Dariusz Gozdowski
Katedra Doświadczalnictwa i Bioinformatyki, Szkoła Główna Gospodarstwa Wiejskiego (Poland)
Jerzy Puchalski
Polska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie (Poland)
Wiesław Łuczak
Polska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie (Poland)
Abstract
In 2007–2009, 250 local forms of winter rye (Secale cereale L) were evaluated. These forms came from Portugal, Brazil, Macedonia and Serbia. In the study, 16 morphological and agricultural traits were evaluated and compared with those of the Dankowskie Złote cultivar control. The highest differentiation among the local forms concerned the following traits: stem length and head length, mass of 1000 grains and number of grains per head. On the basis of the results of the principle component analysis, the highest correlations were observed between the lengths of stem and head and the first principal component (PC1); it means that these traits most strongly discriminated the investigated group of local forms. On the basis of Ward’s cluster analysis 5 groups of local genotypes, according to five traits, were distinguished. The largest group (104 genotypes) consisted mostly of local forms of Portuguese origin (85 forms), as well as Polish genotype Dankowskie Złote. That group was characterized by a moderate lengths of stem and head, relatively small length of sub-flag leaf and large mass of 1000 grains. The smallest group consisted of 3 genotypes, one per Macedonia, Portugal and Serbia. This group was characterized by the smallest length of stem, quite large head and the longest sub-flag leaf as well as the highest mass of thousand grains.
Keywords:
local genotypes, multivariate analysis, rye, traits, variabilityReferences
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Authors
Helena Kubickasekretariat@ob.pan.pl
Polska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie Poland
Authors
Dariusz GozdowskiKatedra Doświadczalnictwa i Bioinformatyki, Szkoła Główna Gospodarstwa Wiejskiego Poland
Authors
Jerzy PuchalskiPolska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie Poland
Authors
Wiesław ŁuczakPolska Akademia Nauk Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej w Powsinie Poland
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Copyright (c) 2012 Helena Kubicka, Dariusz Gozdowski, Jerzy Puchalski, Wiesław Łuczak
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