Collecting and evaluation of genetic resources of rye
Helena Kubicka
sekretariat@ob.pan.plOgród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa (Poland)
Jerzy Puchalski
Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa (Poland)
Maciej Niedzielski
Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa (Poland)
Wiesław Łuczak
Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa (Poland)
Anna Martyniszyn
Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa (Poland)
Abstract
The rye, despite the recent tendency to decrease the area of its cultivation, is still one of the most important crops in Poland being cultivated on 2 million hectares. The main regions of rye cultivation are Europe and Asia. In these regions the greatest variety of genetic forms of rye is recorded. Taking into account the necessity of collecting and evaluating rye genetic resources, the Botanical Garden – Centre for Biological Diversity Conservation of the Polish Academy of Sciences has focused for the last 30 years its interests on gathering in a gene bank and assessing wild species, local landraces, varieties and inbred lines of the genus Secale. The collection includes altogether 2 560 forms. The accessions were multiplied and reproduced in the isolated plots. They were evaluated for their morphological and phenological traits. In the years 1977–2004 1166 local landraces, 772 varieties and 352 inbred lines were characterized. The highest diversity was recorded for local landraces and inbred lines. Variability was lower in the rye varieties, in spite of their different origin. The highest levels of variability were recorded for height of plants, length of spikes and weight of 1000 grains, ranging 30-200 cm, 4-14.8 cm and 10-58 g, respectively. It has been concluded based on the data obtained that the collection represents a wide spectrum of genetic diversity, thus being a valuable source of forms to be used both in rye breeding and in scientific investigations.
Keywords:
Secale ssp, collection, evaluation, genetic diversity, genetic resources, ryeReferences
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Authors
Helena Kubickasekretariat@ob.pan.pl
Ogród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa Poland
Authors
Jerzy PuchalskiOgród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa Poland
Authors
Maciej NiedzielskiOgród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa Poland
Authors
Wiesław ŁuczakOgród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa Poland
Authors
Anna MartyniszynOgród Botaniczny — Centrum Zachowania Różnorodności Biologicznej PAN, Warszawa Poland
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Copyright (c) 2006 Helena Kubicka, Jerzy Puchalski, Maciej Niedzielski, Wiesław Łuczak, Anna Martyniszyn
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