Evaluation of adaptability and stability of sugar beet monogerm cultivars using nonparametric methods

Author(s):
Abstract:
The development of genotypes, which can be adapted to a wide range of environments, is one of the most important goals of plant breeders in a crop improvement program. In this study, genotype × environment interaction and stability of crop varieties from the different characteristics of four cultivars of monogerm sugar beet, including; Shirine, Zarghan, Latitia and 7112 hybrid in five major regional sugar beet factory of Biseton including Kangavar, Sahaneh, Chamchamal, Dinavar and Ravansar were investigated using nonparametric methods with three replication and three year (2007-2008). Analysis of variance for traits of root yield, sugar yield and sugar content showed that the environment and genotype and genotype × environment interaction had significant variation. According to the Si (1),Si(2), Si(3), Si(6), NPi(1) and NPi(4), 7112 hybrid was stable genotype for traits of root yield and sugar yield. The unstable genotype based on these stability parameters was latitia genotype but had greatest mean yield. For trait of sugar content, latitia genotype was stable cultivar with highest mean yield.
Language:
Persian
Published:
Journal of Applied Crop Research, Volume:28 Issue: 107, 2015
Pages:
34 to 39
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