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- 저자 : Viáfara-Vega Ronald (검색결과 1 건)
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Peñuela Mauricio,Viáfara-Vega Ronald,Arias Leidy Laura,Cifuentes-Silva Héctor,López José,Cárdenas Heiber 한국작물학회 2022 Journal of crop science and biotechnology Vol.25 No.2
Usually is common to see great diferences among plants in our crops, this can allow us to think about selection of some plants with the best traits in order to show that character in the next generation and thus improve our crops. Nevertheless, we forget that the observed phenotypic variance of our crop is due to several factors as genetic and environmental components. Knowing how these factors afect traits is an important question because it can tell us whether a selection program is viable or not, which can save efort, time, and money. Here, we present a case of study in a Tabasco chili pepper crop from southwestern Colombia where farmers generally practice selection ignoring the genetic and environmental components of the selected traits. To reveal these components, we proposed to use the estimation of heritability in a narrow sense, for which we developed measurements in two generations of plants and we applied a simple regression model in concordance with the expected inbreeding value for an autogamous species. Subsequently, we amplifed microsatellite molecular markers to support heritability values based on genetic diversity and confrmed whether the assumed inbreeding value for their estimation based on the life history of the species, was correct.
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