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dc.creatorCesar Brugnara,Eduardo
dc.creatorde Faria Theodoro,Gustavo
dc.creatorNunes Nesi,Cristiano
dc.creatorFerreira Verona,Luiz Augusto
dc.creatorCarlos Maringoni,Antonio
dc.date2012-04-01
dc.date.accessioned2019-04-24T21:24:51Z
dc.date.available2019-04-24T21:24:51Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-34292012000100013
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/57408
dc.descriptionThe citrus canker, caused by Xanthomonas axonopodis pv. citri, is one of the main citrus diseases and has threatened the world's citriculture. In this study, the damage caused by citrus canker was quantified in a sweet orange culture, cv. Valencia [Citrus sinensis (L.) Osb.], grafted over 15 year-old Rangpur lime (C. limonia Osb.), in the municipality of Guatambu, SC, Brazil, in the crop of 2004/05. Evaluations of the number of fruits per plant (NF), fruit yield per plant (P), citrus canker incidence on the fruit (IFR), and incidence (IL) and severity (SV) of citrus canker on 80 leaves per orange tree were performed in the harvest period, applying diagrammatical scales. Plants had large variation in SV (0.16%-1.09%), IL (12.50%-56.25 %) and IFR (12.30%-56.09%). Linear regressions were significant between IL x SV, NF x SV, P x IFR, and NF x IFR. There was no significant difference (p>0.05) between the mean estimated values of IL in different quadrants of the crowns of the orange trees (N, S, L and O). Each 1% increase in IFR reduced 2.16 kg and 21.3 fruits per tree.
dc.formattext/html
dc.languageen
dc.publisherUniversidad de Tarapacá. Facultad de Ciencias Agronómicas
dc.relation10.4067/S0718-34292012000100013
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceIdesia (Arica) v.30 n.1 2012
dc.subjectCitrus sinensis
dc.subjectXanthomonas axonopodis pv. citri
dc.subjectincidence
dc.subjectseverity
dc.titleDamage caused by citrus canker on Valencia sweet orange yield


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