1996
DOI: 10.1590/s0006-87051996000100007
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Análise dialélica da capacidade combinatória de cultivares de tomateiro

Abstract: Os cultivares de tomateiro (Lycopersicon esculentum Mill.) Ângela I.5100, Floradade, IPA-05, IPA-06, Jumbo e Santa Clara, e os 15 possíveis híbridos F1s foram avaliados quanto à produção de frutos comerciáveis (PFC), espessura média da polpa (EMP), número médio de lóculos por fruto (NML) e teor de sólidos solúveis (TSS), com o objetivo de identificar parentais e híbridos promissores para programas de melhoramento. A análise dialélica, com base no método de Griffing, revelou a predominância dos efeitos gênicos … Show more

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Cited by 3 publications
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“…Carvalho et al (1999), studying, tested four snap bean cultivars (Alessa, Andra, Cota and Cascade) as parents in a diallel design without reciprocals, and verified significance for all traits considering specific combining ability, indicating that epistatic and, or dominance effects were involved in genetic control for number of pods, pod diameter, pod length and number of days to flowering. Considering different crops, the diallel analysis has been emphasized in many breeding programs because of the large amount of information this approach can offer to the breeder (Foolad and Bassiri, 1983;Amaral Júnior et al, 1996;Barelli et al, 1999;Cruz and Regazzi, 2001). According to Cruz andRegazzi (2001), Hayman´s procedure (1954), among methodologies of diallel analysis available, has greatly contributed to breeding.…”
Section: Introductionmentioning
confidence: 99%
“…Carvalho et al (1999), studying, tested four snap bean cultivars (Alessa, Andra, Cota and Cascade) as parents in a diallel design without reciprocals, and verified significance for all traits considering specific combining ability, indicating that epistatic and, or dominance effects were involved in genetic control for number of pods, pod diameter, pod length and number of days to flowering. Considering different crops, the diallel analysis has been emphasized in many breeding programs because of the large amount of information this approach can offer to the breeder (Foolad and Bassiri, 1983;Amaral Júnior et al, 1996;Barelli et al, 1999;Cruz and Regazzi, 2001). According to Cruz andRegazzi (2001), Hayman´s procedure (1954), among methodologies of diallel analysis available, has greatly contributed to breeding.…”
Section: Introductionmentioning
confidence: 99%
“…(Sprague & Tatum, 1942 Dessa forma, tais acessos podem ser utilizados em diferentes programas de melhoramento, de acordo com objetivos previamente definidos, visando à seleção de novos cultivares ou formação de hí-bridos (Hallauer & Miranda Filho, 1988;Amaral Júnior et al, 1996). Em termos gerais, porém, os acessos PI 206472 e 'Campineira' foram considerados os mais promissores, por seus valores positivos de g i para quatro, entre os cinco componentes primários da produção de frutos em berinjela analisados, com g i negativo apenas para NMFP.…”
Section: Acessosunclassified