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dc.creatorRuml, Mirjana
dc.creatorMilatović, Dragan
dc.creatorZec, Gordan
dc.creatorDjurović, Dejan
dc.date.accessioned2020-12-17T23:01:00Z
dc.date.available2020-12-17T23:01:00Z
dc.date.issued2020
dc.identifier.issn0567-7572
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/5445
dc.description.abstractAssessment of chilling requirements for breaking dormancy (CR) and heat requirements for flowering (HR) in fruit trees is important for selecting cultivars suitable for the climatic conditions of the site. The objective of this study was to estimate CR and HR in six almond cultivars grown in the Belgrade region. The study was conducted during a three-year period. The CR was quantified using the Utah chill unit model (CU). The date of completion of CR was determined according to the weight increase and phenological transition of forced flower buds in controlled conditions. The HR was determined as growing degree hours (GDH) accumulated from the breaking of dormancy to the beginning of flowering using a base temperature of 4°C. The CR ranged from 690 CU in 'Exinograd' to 1285 CU in 'Mari de Stepa'. The HR varied between 3838 GDH in 'Ferragnes' and 4539 GDH in 'Mari de Stepa'. The earlier-flowering cultivars were those with the lowest CR. The latest flowering cultivar 'Mari de Stepa' (April 11) finished dormancy on average 51 days after the earliest flowering cultivar 'Exinograd' (March 29).en
dc.publisherInternational Society for Horticultural Science
dc.rightsrestrictedAccess
dc.sourceActa Horticulturae
dc.subjectChilling unitsen
dc.subjectDormancyen
dc.subjectGrowing degree hoursen
dc.subjectPrunus dulcisen
dc.subjectUtah modelen
dc.titleEstimation of chilling and heat requirements for flowering in almonden
dc.typearticle
dc.rights.licenseARR
dc.citation.epage203
dc.citation.other1289: 199-203
dc.citation.spage199
dc.citation.volume1289
dc.identifier.doi10.17660/ActaHortic.2020.1289.28
dc.identifier.rcubconv_8172
dc.identifier.scopus2-s2.0-85092035741
dc.identifier.wos000706480000028
dc.type.versionpublishedVersion


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