Genetic variation of quantitative traits in hull-less mutants of spring barley (Hordeum vulgare L.)

Wojciech Rybiński

office@igr.poznan.pl
Instytut Genetyki Roślin PAN, Poznań (Poland)

Elżbieta Adamska


Instytut Genetyki Roślin PAN, Poznań (Poland)

Abstract

Hull-less mutants of spring barley obtained by mutation induction from the hull-less breeding line 1N/86 constituted the material for the performed studies. Two chemomutagens — N-nitroso-N-methylurea (MNU) and sodium azide (NaN3) were used for the treatment. Among the mutants 19 forms, representing different morphotypes and yielding ability, were chosen to field experiments performed in the years 2000–2002. The paper presents genetic variation of yielding and yield structure parameters of the mutants and their initial form. The results were statistically elaborated considering the years of the experiments and the analyzed traits. As compared to the initial forms, the mutants were characterized by a broad spectrum of variation for the traits. Generally, in the three years of experiments, the mutants showed lower yielding ability and decrease of the yield structure parameters. In spite of this, several mutants yielded above their initial form and exceeded it in the yield structure traits. They may constitute an interesting initial material for breeding programs of hull-less barley.


Keywords:

barley, genetic variation, hull-less barley, mutants, yield structure

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Published
2004-03-31

Cited by

Rybiński, W. and Adamska, E. (2004) “Genetic variation of quantitative traits in hull-less mutants of spring barley (Hordeum vulgare L.)”, Bulletin of Plant Breeding and Acclimatization Institute, (231), pp. 297–305. doi: 10.37317/biul-2004-0134.

Authors

Wojciech Rybiński 
office@igr.poznan.pl
Instytut Genetyki Roślin PAN, Poznań Poland

Authors

Elżbieta Adamska 

Instytut Genetyki Roślin PAN, Poznań Poland

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