2012
DOI: 10.1590/s0102-05362012000400025
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Correlação entre caracteres e estimação de parâmetros populacionais para batata-doce

Abstract: RESUMOCultivares de batata-doce, plantadas atualmente, foram selecionadas primariamente para o consumo humano, sem levar em consideração o enorme potencial dessa cultura na produção de etanol e alimentação animal. Os objetivos deste trabalho foram estimar parâmetros populacionais e as correlações genotípicas, fenotípicas e de ambiente entre caracteres de interesse para as principais utilizações da batata-doce. Foram avaliados em blocos casualizados com duas repetições 39 genótipos de batata-doce pertencentes à… Show more

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Cited by 18 publications
(4 citation statements)
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“…High heritability is essential for successful selection, allowing breeders to use the most appropriate selection strategies (OTOBONI et al, 2020). Heritability in sweet potatoes is important because dominance and epistatic effects are maintained by vegetative propagation (GONÇALVES NETO et al, 2012). As shown in Table 1, genetics had the greatest impact on the majority of variables, indicating that these characteristics are heritable between generations.…”
Section: Resultsmentioning
confidence: 99%
“…High heritability is essential for successful selection, allowing breeders to use the most appropriate selection strategies (OTOBONI et al, 2020). Heritability in sweet potatoes is important because dominance and epistatic effects are maintained by vegetative propagation (GONÇALVES NETO et al, 2012). As shown in Table 1, genetics had the greatest impact on the majority of variables, indicating that these characteristics are heritable between generations.…”
Section: Resultsmentioning
confidence: 99%
“…This correlation, indirectly, represents the type characteristics of leaf lobe, number of leaf lobes, lobe shape, immature leaf color and pubescence of leaf apex. Besides saving time, money and hand labor, this indirect selection made through correlated characteristics, allows to characterize more complex or difficult traits under indirect selection through selection of the correlated character (GONÇALVES NETO et al, 2012). The following paired traits were strongly correlated: petiole pigmentation and predominant color of the branches (0.728 ** ); secondary color of the periderm and predominant color of the pulp (0.532 ** ); predominant color of the pulp and distribution of the secondary color of the pulp (0.742 ** ) and, secondary color of the pulp and distribution of the secondary color (0.717 ** ).…”
Section: Resultsmentioning
confidence: 99%
“…O índice indicativo do grau de efetividade da seleção das progênies superiores para cada caráter é determinado como razão CVg/CVe (NETO et al, 2012). Quando acontecer da razão CVg/CVe ser igual ou maior que a unidade, há uma condição favorável à seleção, isto quer dizer, que as diferenças entre progênies estão ligadas à variação genética .…”
Section: Parâmetros Genéticosunclassified