ArticleBreeding science2018
Assessing hidden parentage and genetic integrity of the "United Fruit Clones" of cacao (
Article in Breeding science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
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Authors and funding
7 authors.
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Abstract
The international cacao collection in CATIE, Costa Rica contains nearly 1200 accessions of cacao, mainly from the center of genetic diversity of this species. Among these accessions, the United Fruit clones (UF clones) were developed by the United Fruit Company in Costa Rica, and they represent one of the earliest groups of improved cacao germplasm in the world. Some of these UF clones have been used as key progenitors for breeding resistance/tolerance to Frosty Pod and Black Pod diseases in the Americas. Accurate information on the identity and background of these clones is important for their effective use in breeding. Using Single Nucleotide Polymorphism (SNP) markers, we genotyped 273 cacao germplasm accessions including 44 UF clones and 229 reference accessions. We verified the true-to-type identity of UF clones in the CATIE cacao collection and analyzed their population memberships using maximum-likelihood-based approaches. Three duplicate groups, representing approximately 30% of the UF clones, were identified. Both distance- and model-based clustering methods showed that the UF clones were mainly composed of Trinitario, ancient Nacional and hybrids between ancient Nacional and Amelonado. This result filled the information gap about the UF clones thus will improve their utilization for cacao breeding.
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