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Horticultura Brasileira

versão impressa ISSN 0102-0536versão On-line ISSN 1806-9991

Resumo

SILVA, Giovani O; PEREIRA, Arione S; AZEVEDO, Fernanda Q  e  CARVALHO, Agnaldo DF. Genotypic selection of advanced potato clones by REML/BLUP. Hortic. Bras. [online]. 2018, vol.36, n.2, pp.265-270. ISSN 0102-0536.  http://dx.doi.org/10.1590/s0102-053620180220.

Potato genotypes were evaluated in their performance, according to the genotype values for tuber yield traits. The experiments were carried out in Canoinhas and Pelotas, Brazil, in spring 2014. Eleven advanced clones and two commercial cultivars (Agata and Asterix) (check cultivars) were evaluated. A randomized complete block design with four replicates was used. Plots were harvested 110 days after planting, and evaluated for tuber yield components. The data were submitted to joint deviance analyzes using the REML/BLUP method. Clones F102-22-07 and F32-02-06 stood out positively for tuber yield. F102-22-07 showed high marketable tuber yield and average tuber weight, while clone F32-02-06 exhibited high marketable and total tuber yield. The superiority of these advanced clones in relation to the check cultivars, suggests their potential to be evaluated in other environments, aiming their release as new cultivars.

Palavras-chave : Solanum tuberosum; plant breeding; genotypic values.

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