Influence of temperature on blackthorn (Prunus spinosa L.) phenophases in spring season
2020
Cosmulescu, S. (University of Craiova, Craiova (Romania). Horticulture Faculty, Department of Horticulture & Food Science) | Gavrila Calusaru, F.
Phenology is the study of periodic biologic changes that plants are going through, under the influence of environmental factors, especially temperature. The present paper evaluates the behaviour of Prunus spinosa L. genotypes under the fluctuations of climatic factors by calculating the average time elapsed from bud-breaking to blooming, the average time elapsed between different phenophases, the heat demand and the chilling requirement. The data obtained show that the onset of spring season phenological phases is significantly speeded-up by temperatures increase and provides useful information on temperature influence on phenologic phased triggering and better understanding of temperature influence on phenology in Prunus spinosa L. genotypes in Oltenia region of Romania.
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