Genetika 2022 Volume 54, Issue 2, Pages: 729-747
https://doi.org/10.2298/GENSR2202729S
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Yield and taste related components variation in new superior bred strawberry genotypes and commercial cultivars during the wide harvest season

Saridaş Mehmet Ali (Department of Horticulture, University of Cukurova, Balcali/Adana, Turkey), masaridas@cu.edu.tr
Ağçam Erdal (Department of Food Engineering, University of Cukurova, Balcali/Adana, Turkey)
Akbaş Furkan Cihad (Department of Horticulture, University of Cukurova, Balcali/Adana, Turkey)
Keskinaslan Gülşah Selcen (Department of Horticulture, University of Cukurova, Balcali/Adana, Turkey)
Kamar Rojbin (Department of Horticulture, University of Cukurova, Balcali/Adana, Turkey)
Safkan Bekir (Department of Food Engineering, University of Cukurova, Balcali/Adana, Turkey)
Paydas Kargi Sevgi (Department of Horticulture, University of Cukurova, Balcali/Adana, Turkey)

As a result of the hybridization of ‘Sevgi’ and ‘Kaşka’ cultivars with ‘Fortuna’ cultivar, which are bred within Cukurova University, superior characteristic strawberry genotypes with codes of ‘33’, ‘36’ and ‘61’ were selected. In this study, these genotypes and three cultivars commonly grown in the Mediterranean region were compared in terms of yield, fruit size and taste determining parameters (sugar and organic acids) at different harvest date monthly under Mediterranean climate condition. The highest yield was measured generally in April, while the genotype-dependent yield varied between 628.9 g / plant (‘36’) and 951.5 g / plant (‘Fortuna’). Besides, average fruit weight varied (6.8 - 23.9 g) during the season depending on the harvest date and genotype. The sucrose content varied between 0.06 g / 100 g and 4.83 g / 100 g, while the ascorbic acid content showed huge variation depending on the harvest date and genotype with 1.5 mg kg and 393.8 mg/kg values. Generally, the 33-advanced selection attracted attention with its relatively high yield, glucose, fructose, and ascorbic acid content. As a result, genotype and environmental conditions are quite determinant in terms of observed parameters in strawberry cultivation. Furthermore, biotechnological methods could be utilized to shorten breeding time in classical crossbreeds to improve the deficiencies of these genotypes.

Keywords: Crossbreeding, eating quality, Fragaria × ananassa, individual sugars, organic acids


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