Estimation of a breeding value of lines and hybrids of winter rye

Paweł Dopierała

biuro@kws.com
Lochow-Petkus Polska Sp. z o. o. (Poland)

Henryk Bujak


Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)

Jan Kaczmarek


Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)

Anna Dopierała


Lochow-Petkus Polska Sp. z o. o. (Poland)

Abstract

Fifty-six rye hybrids obtained by crossing 11 cytoplasmic male sterile lines (CMS) and 3 single crosses with 4 male paternal forms (testers: Lo 201-R, Lo 202-R, Lo 203-R and 204-R) were evaluated in two series of experiments. In the first series the testers were Lo 201-R and Lo 202-R, and the experiments with 28 hybrids were conducted at 8 locations. The second series included 28 hybrids obtained with testers Lo 203-R and 204-R and was carried out at 5 locations. Analyses of variance were performed and the effects of general and specific combining ability (GCA, SCA) were estimated. Two female parents (SC-CMS) Lo-106-P × Lo 104-N and Lo 102-P × Lo 105-N and line Lo 110-P were the best combiners of grain yield. Also promising were single hybrid Lo103-P × Lo 104-N and line Lo 104-P, which in the second series of experiments gave significant GCA effects. Among the testers, Lo 202-R and Lo 204-R exhibited positive GCA estimates. Lines Lo-102-P, Lo 104-P, Lo 105-P and Lo 106-P did not show significant positive GCA effects, whereas their hybrids (SC-CMS) had significant estimates of GCA effects.


Keywords:

breeding value, combining ability, factorial experiments, hybrids, lines, rye

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Published
2003-12-31

Cited by

Dopierała, P. (2003) “Estimation of a breeding value of lines and hybrids of winter rye”, Bulletin of Plant Breeding and Acclimatization Institute, (230), pp. 235–241. doi: 10.37317/biul-2003-0025.

Authors

Paweł Dopierała 
biuro@kws.com
Lochow-Petkus Polska Sp. z o. o. Poland

Authors

Henryk Bujak 

Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland

Authors

Jan Kaczmarek 

Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland

Authors

Anna Dopierała 

Lochow-Petkus Polska Sp. z o. o. Poland

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Copyright (c) 2003 Paweł Dopierała, Henryk Bujak, Jan Kaczmarek, Anna Dopierała

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