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Genetic components affecting embryonic developmental time of Drosophila melanogaster Genet. Mol. Biol.
Nascimento,Jurema Cruz do; Cruz,Ivana Beatrice Mânica da; Monjeló,Luiz Alberto; Oliveira,Alice Kalisz de.
The developmental time of the embryonic stage of Drosophila melanogaster was 21.66% faster and 14.75% slower than controls in populations selected for fast and slow developmental speed, respectively. The genetic model with two main loci with dominant and additive effect added to maternal effect and their relevant interactions can explain 96% of the phenotypic variability in the embryonic developmental time according to 14 crossing progenies involving fast and slow flies.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Developmental rate; Embryo; Drosophila.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000200008
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Estimative of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) development time with non linear models Neotropical Entomology
Medeiros,Rômulo S.; Ramalho,Francisco S.; Serrão,José E.; Zanuncio,José C..
The objective of this study was to evaluate the precision of the non linear models of Davidson (1942, 1944), Stinner et al. (1974), Sharpe & DeMichele (1977), and Lactin et al. (1995) to describe relationship between developmental rate of different stages of Podisus nigrispinus (Dallas) and temperature. Lower values of R² for the models of Davidson (0.1593 to 0.2672, and 0.1406 to 0.2804 for males and females, respectively) and of Stinner et al. (0.2136 to 0.6389, and 0.1417 to 0.3045 for males and females, respectively) showed that these models were not adequate to estimate developmental rate of P. nigrispinus as function of temperature. However, high values of R² for the models of Sharpe & DeMichele (0.9226 to 0.9893, and 0.8818 to 0.9914...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Asopinae; Biological control; Alabama argillacea; Developmental rate; Predator.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000200003
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