2011
DOI: 10.1590/s1806-66902011000300025
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Diallel analysis of yield, popping expansion, and southern rust resistance in popcorn lines

Abstract: -Ten popcorn inbred lines were crossed in a circulant partial diallel matching scheme (group of lines derived from IAC 112 × group of lines from 'Zaeli'). The hybrids were evaluated in respect to grain yield (GY), popping expansion (PE), and resistance to southern rust (Puccinia polysora, Pp), in randomized block design, with three replications. Data was examined by analyses of variance and Kempthorne and Curnow's diallel analysis. General combining ability (GCA) was significant (p < 0.10) in the set 2-Zaeli f… Show more

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Cited by 19 publications
(21 citation statements)
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References 23 publications
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“…Analogously to these results, superior significant SCA effects concerning GCA were found by Pereira and Amaral Júnior (2001) As for popping expansion, the additive genetic effect was the most important; therefore, intrapopulation methods are the most recommended for obtaining gains in this trait. These results agree with those obtained by da Silva et al (2010), Vieira et al (2011), andCabral et al (2015).…”
Section: Resultssupporting
confidence: 93%
See 1 more Smart Citation
“…Analogously to these results, superior significant SCA effects concerning GCA were found by Pereira and Amaral Júnior (2001) As for popping expansion, the additive genetic effect was the most important; therefore, intrapopulation methods are the most recommended for obtaining gains in this trait. These results agree with those obtained by da Silva et al (2010), Vieira et al (2011), andCabral et al (2015).…”
Section: Resultssupporting
confidence: 93%
“…The studies undertaken by Larish and Brewbaker (1999), Pinto et al (2007), Pajic et al (2008), da Silva et al (2010), Viana et al (2011), Vieira et al (2011, Moterle et al (2012), andCabral et al (2015) are the few examples in which diallels were used in popcorn, in which lines are used as parents. In this group, Vieira et al (2011) evaluated grain yield (GY), popping expansion (PE), and partial resistance to southern corn rust (Puccinia polysora Underw) in hybrids originating from crosses in a partial circulating diallel scheme among ten popcorn lines (IAC 112 line groups x 'Zaeli' line groups). The authors observed a significant effect of general combining ability (GCA) in the Zaelin group for GY, PE, and resistance to southern corn rust and concluded that there is a predominance of additive genes in the expression of resistance, and these recurrent selection methods are recommended for obtaining gains in these traits.…”
Section: Introductionmentioning
confidence: 99%
“…Only in the last decade, studies about the control of diseases in popcorn have become a concern to breeders (Arnhold 2008;Vieira et al 2011;Sanches et al 2011;Vieira et al 2012;Noor et al 2015;Vieira et al 2016). To complicate matters, no research has been developed on resistance to ear rot in popcorn.…”
Section: Introductionmentioning
confidence: 99%
“…Diferentes estudos mostram a existência de grande variabilidade genética quanto à resistência à ferrugem polissora (Nihei e Ferreira, 2012;Vieira et al, 2011;Vivek et al, 2010). Essa resistência à ferrugem consiste na capacidade de a planta suprimir a taxa de desenvolvimento da doença, geralmente caracterizada por pequenas lesões e menos esporulação.…”
Section: Introductionunclassified
“…Essa resistência à ferrugem consiste na capacidade de a planta suprimir a taxa de desenvolvimento da doença, geralmente caracterizada por pequenas lesões e menos esporulação. A área abaixo da curva de progresso da doença (AACPD), que quantifica a evolução da doença durante determinado período, é um critério comumente utilizado para avaliar o nível de resistência em condições de campo (Vieira et al, 2011).…”
Section: Introductionunclassified