Приказ основних података о документу

dc.creatorRuml, Mirjana
dc.creatorVuković, Ana
dc.creatorMilatović, Dragan
dc.date.accessioned2020-12-17T19:51:09Z
dc.date.available2020-12-17T19:51:09Z
dc.date.issued2010
dc.identifier.issn0020-7128
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/2324
dc.description.abstractThe aim of this study was to examine different methods for determining growing degree-day (GDD) threshold temperatures for two phenological stages (full bloom and harvest) and select the optimal thresholds for a greater number of apricot (Prunus armeniaca L.) cultivars grown in the Belgrade region. A 10-year data series were used to conduct the study. Several commonly used methods to determine the threshold temperatures from field observation were evaluated: (1) the least standard deviation in GDD; (2) the least standard deviation in days; (3) the least coefficient of variation in GDD; (4) regression coefficient; (5) the least standard deviation in days with a mean temperature above the threshold; (6) the least coefficient of variation in days with a mean temperature above the threshold; and (7) the smallest root mean square error between the observed and predicted number of days. In addition, two methods for calculating daily GDD, and two methods for calculating daily mean air temperatures were tested to emphasize the differences that can arise by different interpretations of basic GDD equation. The best agreement with observations was attained by method (7). The lower threshold temperature obtained by this method differed among cultivars from -5.6 to -1.7A degrees C for full bloom, and from -0.5 to 6.6A degrees C for harvest. However, the "Null" method (lower threshold set to 0A degrees C) and "Fixed Value" method (lower threshold set to -2A degrees C for full bloom and to 3A degrees C for harvest) gave very good results. The limitations of the widely used method (1) and methods (5) and (6), which generally performed worst, are discussed in the paper.en
dc.publisherSpringer, New York
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/20103/RS//
dc.rightsrestrictedAccess
dc.sourceInternational Journal of Biometeorology
dc.subjectThreshold temperatureen
dc.subjectGrowing degree-daysen
dc.subjectApricoten
dc.subjectFull bloomen
dc.subjectHarvesten
dc.titleEvaluation of different methods for determining growing degree-day thresholds in apricot cultivarsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage422
dc.citation.issue4
dc.citation.other54(4): 411-422
dc.citation.rankM22
dc.citation.spage411
dc.citation.volume54
dc.identifier.doi10.1007/s00484-009-0292-6
dc.identifier.scopus2-s2.0-77954217807
dc.identifier.pmid20033431
dc.identifier.wos000279302700009
dc.type.versionpublishedVersion


Документи

Thumbnail

Овај документ се појављује у следећим колекцијама

Приказ основних података о документу