2002
DOI: 10.1590/s1415-47572002000400015
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Nine cycles of mass selection for increasing oil content in two maize (Zea mays L.) synthetics

Abstract: The objectives of this study were to estimate changes in oil content, grain yield, percentage of broken plants and changes in yield components in the maize populations DS7u and YuSSSu. As estimations were performed at C0 and C9 for both populations, it was possible to observe changes occurring following long-term mass selection for high oil content. The synthetic population DS7u population was developed by recombination of 29 inbred lines of Yugoslav, Canadian and US origin. The synthetic population YuSSSu pop… Show more

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Cited by 15 publications
(13 citation statements)
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“…However, we speculated that dominant and additive type gene actions played a more prominent role in changing these traits (Figure 3b). Previous findings also showed that yield was controlled by dominant gene actions in maize (Unay et al, 2004) while kernel quality traits, such as protein and oil contents, were mainly controlled by additive effects (Rosulj et al, 2002;Wattoo et al, 2009). The number of crosses with positive or negative heterosis values can be seen in the polar plots, which is the main advantage of this method.…”
Section: Resultsmentioning
confidence: 94%
“…However, we speculated that dominant and additive type gene actions played a more prominent role in changing these traits (Figure 3b). Previous findings also showed that yield was controlled by dominant gene actions in maize (Unay et al, 2004) while kernel quality traits, such as protein and oil contents, were mainly controlled by additive effects (Rosulj et al, 2002;Wattoo et al, 2009). The number of crosses with positive or negative heterosis values can be seen in the polar plots, which is the main advantage of this method.…”
Section: Resultsmentioning
confidence: 94%
“…On average, ILs from each BC population was genotyped with 86 to 158 polymorphic SSR markers that allowed detection of >95% of the introgressed donor segments in the ILs. The six parents were also assayed using the Sub1 specific primers to determine their allelic genotypes at Sub1 (Septiningsih et al, 2009).…”
Section: Methodsmentioning
confidence: 99%
“…Yield loss of rice from submergence may be moderate or severe depending on when submergence occurs during rice development. In South and Southeast Asia, submergence is an important factor limiting rice yield and stability in ∼15 million ha of rainfed lowland areas (Septiningsih et al, 2009).…”
mentioning
confidence: 99%
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“…En general, la mejora genética por calidad del grano tuvo que afrontar inconvenientes tales como que el contenido proteico y de aceite se asocia negativamente con el rendimiento de grano (Alexander, 1988;Lambert y Alexander, 1998;Bathia, 1975;Dudley et al, 1977;Hiorth, 1985;Jugenheimer, 1976Jugenheimer, , 1981Jugenheimer, , 1985Okporie y Oselebe, 2007;Rosulj, 2002). Sin embargo, otros investigadores consiguieron seleccionar nuevos genotipos con alta calidad de grano y rindes similares o superiores a los de los materiales de partida (Azcona et al, 2001;Corcuera et al, 2004;Cortamira, 2006;Eyherabide, 2006;Kauffmann y Dudley, 1979;Jugenheimer, 1961;Lambert, , 2000Lee et al, 2001;Moraes y Vartorelli, 2006;Okporie y Obi, 2004;Thomison, 2002Thomison, , 2003.…”
Section: Determinación De La Calidad Proteica Mediante Cromatografía unclassified