2012
DOI: 10.17816/ecogen1033-9
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Impact of Parents Genetic Divergence on Heterosis of F1-Hybrids of Spring Triticale

Abstract: Molecular heterogeneity was studied in 20 spring triticale accessions by using ISSR- and RAPD-markers, which allowed the studied material to be grouped according to the degree of genetic relationship and to choose genetically distant parental pairs for crosses to obtain heterotic hybrids. Expression of heterosis of F1 triticale hybrids was studied. Evaluation of the degree of parents genetic divergence on the heterosis level of F1-hybrids revealed that increase of genetic distance values between parental compo… Show more

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Cited by 2 publications
(2 citation statements)
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“…Hybridization is a complex process of new forms formation, based on the development of the genotype in constantly changing environmental conditions (Aseeva and Zenkina, 2018). One of the major achievements of biological, agronomic science and practice is the production and wide distribution of hybrid forms of economically important plants, characterized by a pronounced heterotic effect (Orlovskaya, 2012). Success in the implementation of the tasks set is determined by the features of the created source material (Samofalova et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Hybridization is a complex process of new forms formation, based on the development of the genotype in constantly changing environmental conditions (Aseeva and Zenkina, 2018). One of the major achievements of biological, agronomic science and practice is the production and wide distribution of hybrid forms of economically important plants, characterized by a pronounced heterotic effect (Orlovskaya, 2012). Success in the implementation of the tasks set is determined by the features of the created source material (Samofalova et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…For further development of breeding work, it is necessary to expand the spectrum of genetic variability of the source material [2,3]. The probability of obtaining heterotic hybrids increases with increase of the values of genetic distances between parental components [4,5,6]. Distant hybridization serves as an impetus that causes a formative process, because of which organisms arise with new properties absent in the parental forms.…”
Section: Introductionmentioning
confidence: 99%