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José Egea, Jose A. Campoy, Federico Dicenta, Lorenzo Burgos, Jose L. Patiño, and David Ruiz

‘Estrella’ and ‘Sublime’ are mid–early ripening apricot cultivars (Prunus armeniaca L.) with optimal productivity levels, excellent fruit quality, and an attractive color. Although ‘Estrella’ and ‘Sublime’ are both self-incompatible, they are intercompatible cultivars. Bloom dates are very coincident and they can be planted together for successful pollination. Their fruits have excellent organoleptic characteristics, and both cultivars have a free stone and an orange skin ground color, extensive red blush, and orange flesh color, which make them very attractive.

Origin

‘Estrella’ and ‘Sublime’ resulted from a cross made in 2001 at Murcia, Spain, between the North American cultivar Orange

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José Egea, Manuel Rubio, José A. Campoy, Federico Dicenta, Encarna Ortega, María D. Nortes, Pedro Martínez-Gómez, Antonio Molina, Antonio Molina Jr, and David Ruiz

‘Mirlo Blanco’, ‘Mirlo Anaranjado’, and ‘Mirlo Rojo’ are very early-season ripening apricot cultivars (Prunus armeniaca L.) with high productivity, excellent fruit quality, and an attractive red-blushed fruit for fresh markets. These cultivars are also characterized by their adaptation to climatic conditions in the southeast of Spain and their resistance to sharka [Plum pox virus (PPV)], a serious limiting factor for apricot fruit production in affected areas (Kölber, 2001). ‘Mirlo Blanco’, ‘Mirlo Anaranjado’, and ‘Mirlo Rojo’ are self-compatible. Their fruits have excellent organoleptic characteristics; they are freestone with a light orange skin ground color, extensive

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David Ruiz, Manuel Rubio, Pedro Martínez-Gómez, Jesús López-Alcolea, Federico Dicenta, Encarna Ortega, María Dolores Nortes, Antonio Molina, Antonio Molina Jr., and Jose Egea

‘Cebasred’ and ‘Primorosa’ are very early-season ripening apricot cultivars (Prunus armeniaca L.) which join high productivity, high fruit quality and attractiveness, with resistance to Plum pox virus (PPV), a valuable characteristic due to the growing incidence of sharka disease caused by this virus in the European apricot orchards (Rubio et al., 2017). In addition, ‘Cebasred’ and ‘Primorosa’ are self-compatible cultivars. ‘Cebasred’ and ‘Primorosa’ combine all the above mentioned characteristics with very low chilling requirements, which also let them to be cultivated in warm areas. These new varieties will contribute to broaden the ripening calendar

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Federico Dicenta, Teresa Cremades, Pedro José Martínez-García, Pedro Martínez-Gómez, Encarnación Ortega, Manuel Rubio, Raquel Sánchez-Pérez, Jesús López-Alcolea, and José Egea

Background

The Centro de Edafología y Biología Aplicada del Segura–Consejo Superior de Investigaciones Científicas (CEBAS-CSIC) Almond Breeding Program began in 1971, when the germplasm collection was established, with the aim of obtaining new self-compatible and late-flowering cultivars. The first crosses were carried out in 1985.

Late flowering decreases the risk of late frosts coinciding with flowering or fruit formation, thus avoiding crop losses. Self-compatibility enables a cultivar to produce fruit after pollination with its own pollen, which has enormous advantages for the grower compared with traditional self-incompatible cultivars (Dicenta et al., 2002). Self-compatibility allows the grower to cultivate