Characterization of Cashew Nut (Anacardium occidentale L.) Germplasm for Kernel Quality Attributes

Ensuring the quality attributes of cashew kernels is essential for selecting superior genotypes with agro-industrial potential. Therefore, this study characterized cashew nut accessions from the Cashew Germplasm Bank regarding kernel quality standards and identified genotypes with optimal characteri...

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Bibliographic Details
Published in:International Journal of Plant Biology 2023-12, Vol.14 (4), p.1092-1099
Main Authors: Castro, Ana Cecília Ribeiro de, Barbosa, Eulália Romão, Cruz, Antônia Caricielle Amaro da, Segundo, Vanessa Claudia Vasconcelos, Pereira, Matheus Araújo, Lima, Antônio Calixto, Torres, Claudio Rogerio B., Aragão, Fernando Antonio Souza de
Format: Article
Language:English
Subjects:
Anacardiaceae
genetic resources
high-quality genotypes
industrial indicators
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Summary:Ensuring the quality attributes of cashew kernels is essential for selecting superior genotypes with agro-industrial potential. Therefore, this study characterized cashew nut accessions from the Cashew Germplasm Bank regarding kernel quality standards and identified genotypes with optimal characteristics for the industry. The characterization included key industrial indicators such as peeling efficiency, average kernel mass, class, type, and industrial yield, evaluated in 47 different accessions. Through multivariate cluster analysis and principal component analysis, the accessions revealed four distinct groups, exposing correlations among various industrial indicators. The analysis revealed a diverse genetic profile within the Cashew Germplasm Bank. A notable finding is that 80.85% of the accessions group together, displaying predominant features—easy peeling, an average mass exceeding 2.5 g, categorized as super large (SLW) and large (LW), and uniformly white-colored kernels. Correlations found include a negative relationship between kernel mass and class and positive associations between class and industrial yield, as well as between industrial yield and peeling efficiency. The study reveals substantial variability in cashew nut germplasm with respect to quality traits, highlighting its invaluable potential for identifying and selecting superior genotypes adapted for agro-industrial purposes. Particularly promising are Group 4 accessions, such as BGC632, BGC589 and BGC127, presenting attributes indicative of high-quality kernels.
ISSN:2037-0164
2037-0164
DOI:10.3390/ijpb14040079