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Home > EHC2024: International Symposium on Fruit Production Systems for Sustainable and Resilient Development > Research on the cold tolerance of some apricot cultivars in the Bucharest area

Articles

Research on the cold tolerance of some apricot cultivars in the Bucharest area

Article number

1457_19

Pages

145 – 152

Language

English

Abstract

The study examines the impact of winter on apricot cultivation in Romania, highlighting significant production losses resulting from bud and/or flower damage.
These losses typically occur after bud emergence from the absolute rest period, when temperature fluctuations exceed the biological threshold, triggering tree movement.
The study presents results on the behavior of six apricot cultivars, including five new Romanian cultivars, compared with the old cultivar ‘Meilleur d’Hongrie’, known to be sensitive to winter conditions.
Viability tests conducted before flowering showed varying tolerance levels across cultivars and flowering times.
Early-flowering cultivars lost more buds than those flowering later.
During flowering, a relatively high percentage of flowers with destroyed pistils was recorded.
Additionally, temperature fluctuations contributed to a higher-than-normal physiological drop.

Publication

EHC2024: International Symposium on Fruit Production Systems for Sustainable and Resilient Development

Authors

D. Hoza, L. Ion, N. Dirmina, G. Hoza, C. Dragomir

Keywords

cold tolerance, production, viability

Full text

https://doi.org/10.17660/ActaHortic.2026.1457.19

Groups involved

Division Temperate Tree Fruits
Division Temperate Tree Nuts
Division Plant-Environment Interactions in Field Systems
Division Horticulture for Human Health

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