Genetic and breeding studies of hexaploid hybrids Avena sativa L. × Avena byzantina Koch.

Edyta Paczos-Grzęda

dziekanat.agbioinz@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie (Poland)

Maria Chrząstek


Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie (Poland)

Danuta Miazga


Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie (Poland)

Abstract

The aim of the presented paper was genetic and breeding studies of F2 hexaploid hybrids Avena sativa L. × Avena byzantina Koch. RAPD (Random Amplified Polymorphic DNA) method was used to confirm hybrid character of the analyzed cross combinations. Close similarity of A. sativa and A. byzantina was probably the reason of lack of DNA fragments, which could confirm hybrid pedigree of the analyzed forms. Behaviour of chromosomes in metaphase I, anaphase I and late telophase II of meiosis, viability and size of pollen grains were analyzed in order to estimate cytogenetic stability of the hybrids. The obtained results testify to good cytogenetic stability of the analyzed genotypes. The hybrids were compared to their parental forms regarding some quantitative traits. The plants of combination Santor × A. byzantina were significantly taller than the initial forms and had longer panicles. The weight of 1000 kernels of hybrids was higher than that of the initial forms. Kernels of the hybrids Santor × A. byzantina contained significantly more protein than the maternal variety.


Keywords:

Avena byzantina Koch., Avena sativa L., RAPD, hybrids, meiosis

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Published
2005-06-30

Cited by

Paczos-Grzęda, E., Chrząstek, M. and Miazga, D. (2005) “Genetic and breeding studies of hexaploid hybrids Avena sativa L. × Avena byzantina Koch”., Bulletin of Plant Breeding and Acclimatization Institute, (236), pp. 193–201. doi: 10.37317/biul-2005-0051.

Authors

Edyta Paczos-Grzęda 
dziekanat.agbioinz@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie Poland

Authors

Maria Chrząstek 

Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie Poland

Authors

Danuta Miazga 

Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza w Lublinie Poland

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