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Prediction of genetic gains by selection indexes and REML/BLUP methodology in a population of sour passion fruit under recurrent selection Agronomy
Silva, Fernando Higino de Lima e; Viana, Alexandre Pio; Freitas, Jôsie Cloviane de Oliveira; Santos, Eileen Azevedo; Rodrigues, Daniele Lima; Amaral Junior, Antonio Teixeira do.
Breeding programmes must be improved to accelerate the development of new cultivars due to the commercial importance of passion fruit. This study compared four selection indexes and the REML/BLUP methodology in an assessment of predicted genetic gains in the traits of interest. A total of 81 full-sib progenies derived from the third cycle of recurrent selection were assessed for one harvest in one environment. The experiment was arranged in a randomized complete block design with five plants per plot. The following traits were assessed: number of fruits, total yield, fruit mass, fruit longitudinal diameter, fruit transverse diameter, fruit pulp percentage, shell thickness and content of soluble solids. The Mulamba & Mock index produced the best results...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mixed models; Passiflora edulis Sims; Predicted genotypic values; Simultaneous selection..
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32554
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Combining ability for common bacterial blight resistance in snap and dry bean (Phaseolus vulgaris L.) Agronomy
Trindade, Roberto dos Santos; Rodrigues, Rosana; Amaral Junior, Antonio Teixeira do; Gonçalves, Leandro Simões Azeredo; Viana, José Marcelo Soriano; Sudré, Claudia Pombo.
Common bacterial blight (CBB), which is caused by Xanthomonas axonopodis pv. phaseoli (Xap), is the main bacterial disease in snap beans and controlling this disease using resistant cultivars is still a challenge. This work aimed to study the combining ability for CBB resistance in Phaseolus vulgaris genotypes. Six parents (two genotypes of CBB-resistant dry bean and four susceptible snap bean accessions) were crossed in a complete diallel scheme without reciprocals to estimate the general and specific ability to Xap resistance. CBB resistance was evaluated by the inoculation with two Xap isolates, and its severity was evaluated based on the four following resistance components: area under the disease progress curve; scores in the leaves; latent period and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Xanthomonas axonopodis pv. phaseoli; Disease-resistance inheritance; Genetic effects; General and specific combining ability.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/16505
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