Adaptation of Almond Cultivars in Majorca Island: Agronomical, Productive, and Fruit Quality Characteristics
Miquel Llompart | Miguel Barceló | Jeroni Pou | Joana Maria Luna | Xavier Miarnau | Maria Carme Garau
Almond cultivation has a long-standing tradition on the island of Majorca, traditionally practiced under rainfed conditions. Currently, new plantations are established with irrigation; however, due to present conditions and the impacts of climate change, water availability is limited. The Government of the Balearic Islands permits a maximum water supply of 3000 m<sup>3</sup> ha<sup>−1</sup> per year for almond cultivation. In this study, a 6-year field trial was conducted to investigate the adaptation of fourteen almond cultivars obtained from different research centers under deficit irrigation practices in the soil and climatic conditions of Majorca Island. The cultivars had a significant effect on trunk cross-sectional area TCSA, cumulative almond in-shell yield, cumulative kernel yield, yield efficiency, and shelling percentage. The ‘Marta’ and ‘Tarraco’ cultivars exhibited the highest TCSA values. Regarding cumulative almond in-shell yield, ‘Glorieta’ and ‘Constantí’ produced the highest yields, whereas the lowest yields were observed in ‘Mardía’ and ‘Tarraco’. In terms of shelling percentage, ‘Ferragnès’ exhibited the highest value. Kernel quality parameters were cultivar-specific. Additionally, oleic acid content was strongly negatively correlated with linoleic acid content. All cultivars exhibited an unsaturated fatty acid content exceeding 90%, with ‘Masbovera’ showing the highest value.
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