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Abstract This study was aimed at developing a molecular genetic database that allows the certification of the pecan cultivars planted in Brazil, based on reference cultivars from the USA. We used a set of 10 nSSR and 10 cpSSR markers for cultivar identification and characterization. The database developed is an instrument for certification of cultivars, characterization of potential new cultivars, and selection of material for pecan breeding. The CertiBase database is composed of genotypes and haplotypes characterized for 40 reference pecan cultivars, while the CertiBase algorithm for plant identification is implemented in a user-friendly free software. Varietal certification of cultivars will bring more security to the entire production chain, in addition to enabling the characterization of the ancestry of potential new cultivars and establishment of breeding programs of pecan in Brazil. Brazil USA 1 4 userfriendly user friendly software chain

Index code	Element
ti	article title
au	author
kw	article keywords
subject	subject (title words, abstract and keywords)
ab	abstract
ta	journal short title (e.g. Cad. Saúde Pública)
journal_title	journal full title (e.g. Cadernos de Saúde Pública)
la	publication language code (e.g. pt - Portuguese, es - Spanish)
type	document type
pid	publication identifier
publication_year	publication year of publication
sponsor	sponsor
aff_country	country code of the author's affiliation
aff_institution	author affiliation institution
volume	article volume
issue	article issue
elocation	elocation
doi	DOI number
issn	journal ISSN
in	SciELO colection code (e.g. scl - Brasil, col - Colômbia)
use_license	article usage license code

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