Influence of testers selection on estimation of GCA effects in spring oilseed rape inbred lines

Jan Bocianowski

jan.bocianowski@up.poznan.pl
Katedra Metod Matematycznych i Statystycznych, Uniwersytet Przyrodniczy w Poznaniu (Poland)

Henryk Brzeskwiniewicz


Katedra Metod Matematycznych i Statystycznych, Uniwersytet Przyrodniczy w Poznaniu (Poland)

Tadeusz Łuczkiewicz


Katedra Genetyki i Hodowli Roślin, Uniwersytet Przyrodniczy w Poznaniu (Poland)

Abstract

Breeding values of important agricultural traits can be obtained e.g. by application of suitable schemes of crossing parental forms. If the number of inbred lines is great, experiments with hybrids obtained from line  tester crosses are usually performed. In this procedure, a number of inbred lines tested is higher than that using diallel crosses. However, selection of testers differentiating the analyzed inbred lines in respect of interested trait is often a large problem. In this work we deal with the results from four field experiments with spring rape. We analyzed GCA effects of six inbred lines in F1 generation after crosses with two testers (also inbred lines). The paper shows the results for seed weight per plant. Statistical analysis allowed to distinguish tester G49 as the most useful in differentiation of inbred lines in respect of this trait.


Keywords:

GCA, line × tester, seeds weight per plant, spring rape

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Published
2008-12-31

Cited by

Bocianowski, J., Brzeskwiniewicz, H. and Łuczkiewicz, T. (2008) “Influence of testers selection on estimation of GCA effects in spring oilseed rape inbred lines ”, Bulletin of Plant Breeding and Acclimatization Institute, (250), pp. 279–285. doi: 10.37317/biul-2008-0025.

Authors

Jan Bocianowski 
jan.bocianowski@up.poznan.pl
Katedra Metod Matematycznych i Statystycznych, Uniwersytet Przyrodniczy w Poznaniu Poland

Authors

Henryk Brzeskwiniewicz 

Katedra Metod Matematycznych i Statystycznych, Uniwersytet Przyrodniczy w Poznaniu Poland

Authors

Tadeusz Łuczkiewicz 

Katedra Genetyki i Hodowli Roślin, Uniwersytet Przyrodniczy w Poznaniu Poland

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Copyright (c) 2008 Jan Bocianowski, Henryk Brzeskwiniewicz, Tadeusz Łuczkiewicz

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