Development of maintainer and restorer genotypes for cms-T. timopheevi system in spring triticale

Halina Góral

khrin@urk.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza, Kraków (Poland)

Ludwik Spiss


Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza, Kraków (Poland)

Abstract

Forty-one F1 hybrids, obtained by crossing male sterile plants (T. timopheevi cytoplasm) with Polish and foreign spring triticale varieties, were tested for male fertility. The frequency of genotypes fully maintaining sterility or fully restoring fertility was low and did not exceed 5% each. Over 40% of genotypes exhibited the restoration index of 90%-100%. As a result of backcrossing, one fully and several not fully male sterile lines were obtained in BC1 to BC7 generations. A scheme of obtaining sterility maintaining lines is proposed.

 

Keywords:

maintaining and restoring genotypes, male sterility, spring triticale

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Published
2005-06-30

Cited by

Góral, H. and Spiss, L. (2005) “Development of maintainer and restorer genotypes for cms-T. timopheevi system in spring triticale”, Bulletin of Plant Breeding and Acclimatization Institute, (236), pp. 99–104. doi: 10.37317/biul-2005-0040.

Authors

Halina Góral 
khrin@urk.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza, Kraków Poland

Authors

Ludwik Spiss 

Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza, Kraków Poland

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