Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 1
Written by Leinar SEPTAR, Corina GAVĂȚ, Vladut Alexandru OPRIȚA, Cristina MOALE, Ion CAPLAN, Ioan STOLI
Phenological phenophases (such as blossoming) are highly responsive to air temperature and are influenced by the dormancy period at fruit trees. The paper presents the ten-year results of the effect of air temperature on the flowering of four cultivars of apricot and four cultivars of peaches under the conditions of Valu lui Traian commune, Constanta county, Romania country. It was established that there were notable variations in the start, course, and length of flowering between the years. During the ten-year study period, the beginning of flowering was triggered at the earliest on March 13 in the year 2020 for the apricot (Tudor cultivar) and on March 20 in the year 2020 for the peach (Raluca cultivar). Apricot flowering lasted a maximum of 16 days (year 2019 - Olimp cultivar) and a minimum of 5 days (year 2020 -Tudor cultivar). In the case of peaches, flowering lasted a maximum of 22 days (year 2020 - Raluca cultivar) and a minimum of 6 days (year 2019 - Mimi cultivar). In years with an earlier flowering date, the differences in the start of flowering between of the cultivars were more noticeable.
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