The genotype-environment interaction for 2-rowed and 6-rowed barley DH lines

Zygmunt Kaczmarek

office@igr.poznan.pl
Instytut Genetyki Roślin, PAN, Poznań (Poland)

Tadeusz Adamski


Instytut Genetyki Roślin, PAN, Poznań (Poland)

Maria Surma


Instytut Genetyki Roślin, PAN, Poznań (Poland)

Abstract

The paper contains the results of statistical analysis of barley doubled haploid (DH) lines. Twenty eight DH lines (thirteen, 2-rowed and fifteen, 6-rowed) and two parental genotypes (2-rowed, Maresi and 6-rowed, Klimek) were studied in a series of field experiments repeated in five successive years, 1996–2000. The analysis was made using the SERGEN program (Caliński et al., 1998). The results of hypotheses testing concerning the mean yield of DH lines and their interaction with years allowed to distinguish three groups of genotypes: the best, average and the worst. In the first group two parental cultivars, two 2-rowed lines and two 6-rowed DH lines were classified, but among them cultivar Maresi and 6-rowed line, S10, were distinguished as stable genotypes, giving a high yield in all years. Among the remaining genotypes of this group only the cultivar Klimek appeared to be "intensive", i.e. yielding better under profitable climatic conditions of the years. Additional information about the genotypes was obtained by testing the contrasts of the means for 2-rowed and 6-rowed DH lines and the parental cultivars.


Keywords:

barley DH lines, genotype-environment interaction, series of experiments, SERGEN program

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Published
2004-03-31

Cited by

Kaczmarek, Z., Adamski, T. and Surma, M. (2004) “The genotype-environment interaction for 2-rowed and 6-rowed barley DH lines”, Bulletin of Plant Breeding and Acclimatization Institute, (231), pp. 313–320. doi: 10.37317/biul-2004-0136.

Authors

Zygmunt Kaczmarek 
office@igr.poznan.pl
Instytut Genetyki Roślin, PAN, Poznań Poland

Authors

Tadeusz Adamski 

Instytut Genetyki Roślin, PAN, Poznań Poland

Authors

Maria Surma 

Instytut Genetyki Roślin, PAN, Poznań Poland

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Copyright (c) 2004 Zygmunt Kaczmarek, Tadeusz Adamski, Maria Surma

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