Characterization of some quantitative traits in interspecific hybrids of hexaploid oat Avena sativa L. × Avena sterilis L. and initial forms

Edyta Paczos-Grzęda

genetyka.roslin@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin (Poland)

Abstract

Components of yield structure of interspecific hybrids Avena sativa × A. sterilis and parental forms were investigated. Among the analyzed crosses it was not possible to select a form able to heading significantly earlier or expressing higher resistance to crown rust than maternal cultivars. All the hybrids, except Borys × A. sterilis, grew to a greater height than did the initial forms. Productive tillering of the crosses was more intensive than that of parental forms. In comparison with maternal cultivars, the hybrids were characterized by the longer panicles and smaller number of spikelets per panicle as well as by the smaller number and lower weight of kernels per panicle. The weight of 1000 grains produced by the crosses was significantly higher than that determined for A. sterilis, and similar to those produced by maternal cultivars. The husk percentage of grain and protein content of kernels with or without husk were higher with hybrids than with cultivars. The forms showing a higher content of groat protein, as compared with the cultivars, and expressing desirable yield-affecting traits have been selected.

 

Keywords:

Avena sativa L., Avena sterilis L., mieszańce międzygatunkowe, cechy ilościowe

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Published
2003-10-31

Cited by

Paczos-Grzęda, E. (2003) “Characterization of some quantitative traits in interspecific hybrids of hexaploid oat Avena sativa L. × Avena sterilis L. and initial forms”, Bulletin of Plant Breeding and Acclimatization Institute, (229), pp. 33–41. doi: 10.37317/biul-2003-0047.

Authors

Edyta Paczos-Grzęda 
genetyka.roslin@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin Poland

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