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Comparison of three tester parents in evaluating popcorn families derived from IAC-125 124
Miotto,Acácio Antonio; Pinto,Ronald José Barth; Scapim,Carlos Alberto; Matias Junior,José Lidércio; Coan,Marlon Mathias Dacal; Silva,Hingrid Ariane da.
ABSTRACT Thirty-eight S3 families obtained by selfing from IAC-125 popcorn hybrid were evaluated by three different topcross tester parents: an inbred line P3.3- S7 generation taken from popcorn population CMS-42, an open-pollinated variety BRS Angela and the commercial three-way hybrid Jade. Manual crossings were performed according to a partial diallel mating design. Topcross hybrids were evaluated in individual experiments for each tester carried out in randomized block designs with three replications in two locations (Maringá-Paraná and Sabáudia-Paraná). The results for grain yield and popping expansion were gathered in a combined analysis. Estimates of general and specific combining ability were obtained according to Griffing's methodology (1956),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Topcross; Popping expansion; General combining ability.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902016000300564
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Diallel analysis of tropical and temperate sweet and supersweet corn inbred lines 124
Suzukawa,Andréia Kazumi; Pereira,Carolina Bertuzzi; Garcia,Mayara Mariana; Contreras-Soto,Rodrigo Iván; Zeffa,Douglas Mariani; Coan,Marlon Mathias Dacal; Scapim,Carlos Alberto.
ABSTRACT The number of sweet corn cultivars adapted to the climatic conditions and with agronomic traits recommended to the Brazilian market is still limited. Thus, the aim was to investigate the general and specific combining ability (GCA and SCA, respectively) in relation to the grain yield (GY) and total soluble solid (TSS) contents of seven lines of sweet corn (su1) and eight lines of supersweet corn (sh2) by diallel crosses. For TSS, the inbred lines SC6 and SC7 of sweet corn, and SSC7 and SSC8 of supersweet corn showed higher GCA effect. For GY, the inbred lines SC1 and SC2 of sweet corn and SSC4 and SSC6 of supersweet corn showed higher GCA effect. For TSS in sweet corn, the hybrids '4 × 6' and '1 × 7' showed the superior Ŝij estimates across all...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays L; Saccharata; General and specific combining ability; Grain yield; Total soluble solids.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000400607
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