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Identification of acid-tolerant coffee genotypes in a coffee germplasm collection of Colombia

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dc.contributor.author Acuña-Zornosa, Ricardo
dc.contributor.author Sadeghian-Khalajabadi, Siavosh
dc.date.accessioned 2021-09-15T10:23:25Z
dc.date.available 2021-09-15T10:23:25Z
dc.date.issued 2020
dc.identifier.citation ACUÑA-ZORNOSA, R.; SADEGHIAN-KHALAJABADI, S. Identification of acid-tolerant coffee genotypes in a coffee germplasm collection of Colombia. Coffee Science, Lavras, v. 15, p. 1-9, 2020. pt_BR
dc.identifier.issn 1984-3909
dc.identifier.uri https://doi.org/10.25186/.v15i.1727 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/12813
dc.description.abstract One of the limitations of coffee production in many regions of Colombia is the soil acidity. According to historical soil chemical analysis records, more than 50% of coffee farms have pH values below 5.0. Because acid-tolerant coffee varieties are not available, farmers use calcareous additives to correct the problem, which incurs associated labor and input costs. The objective of this work was to identify acid-tolerant genotypes of Coffea arabica. For two contrasting soils in the coffee-growing area of Colombia (Andisol and Entisol), the effect of soil acidity on the growth of 20 genotypes of Coffea Arabica during the seedling stage was evaluated. The genotypes were wild accessions that make up the Colombian Coffee Germplasm Collection and the Castillo ® Naranjal Variety, used as commercial material. Six months after the seedlings were transplanted into soils treated with or without acidity correction additives, the weight of the dry matter of the roots, stems and leaves was recorded. Later, the acid-tolerant genotypes were identified by means of the quadrant method and the tolerance index. The Timor Hybrid and Rume Sudan genotypes were identified as tolerant of the acidity of the two soil types. These genotypes could be used as progenitors in a coffee breeding program leading to a commercial coffee variety tolerant to soil acidity. pt_BR
dc.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher Editora UFLA pt_BR
dc.relation.ispartofseries Coffee Science:v.15;
dc.rights Open Access pt_BR
dc.subject Andisol pt_BR
dc.subject Entisol pt_BR
dc.subject Coffea arabica L. pt_BR
dc.subject Timor hybrid pt_BR
dc.subject Rume sudan pt_BR
dc.subject.classification Cafeicultura::Genética e melhoramento pt_BR
dc.title Identification of acid-tolerant coffee genotypes in a coffee germplasm collection of Colombia pt_BR
dc.type Artigo pt_BR

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