Shell hardness in almond: Cracking load and kernel percentage
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Date
2018-10-08
Authors
Fornes Comas, JaumeSocias i Company, Rafel
Alonso Segura, José Manuel
Journal Title
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Volume Title
Publisher
Elsevier B.V.
Typology
texto , revista , artículo , artículo originalAbstract
Shell-cracking load was measured in a sample of 54 almond cultivars, most of them from the autochthonous germplasm of Majorca (Spain), through a compression test. The shell-cracking load ranged from 58 N in ‘Nonpareil’ to 1415 N in ‘Alzina’, showing the large variability of shell hardness in almond nuts, distributed in 21 mean groups. The results confirmed the suitability of this method for estimating shell hardness due to its reproducibility and small variance within cultivars. Although shell hardness has been traditionally correlated with shelling percentage, our results show that shell hardness may be an independent variable due to its weak correlation with shelling percentage, nut weight and kernel weight. Additionally, our results show that the hardness scores in almond need to be revised.
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Bibliographic citation
Fornés Comas, J., Socias i Company, R., & Alonso Segura, J. M. (2019). Shell hardness in almond: Cracking load and kernel percentage. Scientia Horticulturae, 245, 7-11. https://doi.org/10.1016/j.scienta.2018.09.075
AGROVOC subjects
Prunus dulcisCáscara
Germoplasma
Hardness
Sponsorship
Esta investigación ha sido financiada por la subvención RFP2015-00015-00-00 del Instituto Nacional de Investigaciones Agroalimentarias de España y por la actividad del Grupo de Investigación Consolidado A12 de Aragón. Agradecemos a Joan Cifre Bauzà, de los Servicios Científicos y Técnicos (SCT) de la Universidad de las Islas Baleares, y a los técnicos de la finca Sa Canova, la cooperativa Fruits Secs de Binissalem (Mallorca) y de la finca La Orden-Valdesequera (Badajoz), principalmente a Manuel Puebla