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GrainGenes Reference Report: BIU-231-313

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Reference	BIU-231-313
Title	The genotype-environment interaction for 2-rowed and 6-rowed barley DH lines
Journal	Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin
Year	2004
Volume	231
Pages	313-320
Author	Kaczmarek Z Adamski T Surma M
Language	Polish
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 in Poland repeated in five successive years, 1996-2000. The analysis was made using the SERGEN program. 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
Keyword	barley [ Show all 7 ]

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