Population Growth of Dysaphis pyri (Hemiptera: Aphididae) on Different Pear Cultivars With Discussion on Curve Fitting in Life Table Studies

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dc.authoridChi, Hsin/0000-0001-8130-0248
dc.contributor.authorAtlihan, Remzi
dc.contributor.authorKasap, Ismail
dc.contributor.authorOzgokce, M. Salih
dc.contributor.authorPolat-Akkopru, Evin
dc.contributor.authorChi, Hsin
dc.date.accessioned2025-01-27T20:46:06Z
dc.date.available2025-01-27T20:46:06Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPopulation growth parameters of the Dysaphis pyri Boyer de Fonscolombe) Hemiptera: Aphididae) were evaluated on four different cultivars Coscia, Ankara, Williams, and Santa-Maria) of pear Pyrus communis L.) under field conditions in the Van region of Turkey. Aphids were kept on leaves of 10-yr-old pear trees in Plexiglas clipcells 20mm in diameter and 10mm in height, with the upper side covered with muslin). For the description of the stage differentiation during population growth, we analyzed raw data of developmental time, survival, and fecundity using the age-stage, two-sex life table to take the variable developmental rate among individuals into account. Results indicated that the Coscia and Ankara cultivars are less favorable hosts for D. pyri because of the longer preadult developmental time, higher preadult mortality rate, and lower total fecundity on these cultivars. The intrinsic rate of increase (r), the net reproduction rate (R-0), and the finite rate of increase (lambda) values were lower on the Coscia and Ankara cultivars. We discussed the application of the Weibull function, polynomial model, and Enkegaard model in life table studies. Because these models are often inaccurate in describing survival and reproduction parameters, we suggest that their application in life table research should be reevaluated.
dc.description.sponsorshipBAPB, University of Yuzuncu Yil [FBE-YTR031]
dc.description.sponsorshipWe express thanks to Dr. Cecil L. Smith, Arthropod Collection Georgia Museum of Natural History of University of Georgia (Athens, Georgia 30602, U.S.A.), for reviewing the manuscript. This work was supported by BAPB (FBE-YTR031), University of Yuzuncu Yil.
dc.identifier.doi10.1093/jee/tox174
dc.identifier.endpage1898
dc.identifier.issn0022-0493
dc.identifier.issn1938-291X
dc.identifier.issue4
dc.identifier.pmid28854662
dc.identifier.scopus2-s2.0-85030418292
dc.identifier.scopusqualityQ1
dc.identifier.startpage1890
dc.identifier.urihttps://doi.org/10.1093/jee/tox174
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24809
dc.identifier.volume110
dc.identifier.wosWOS:000407164900063
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherOxford Univ Press Inc
dc.relation.ispartofJournal of Economic Entomology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectDysaphis pyri
dc.subjectpear
dc.subjectlife table
dc.titlePopulation Growth of Dysaphis pyri (Hemiptera: Aphididae) on Different Pear Cultivars With Discussion on Curve Fitting in Life Table Studies
dc.typeArticle

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