Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/992548
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dc.contributor.authorALVES, S. A. M.pt_BR
dc.contributor.authorBERESFORD, R. M.pt_BR
dc.date.accessioned2014-08-14T11:11:11Zpt_BR
dc.date.available2014-08-14T11:11:11Zpt_BR
dc.date.created2014-08-14pt_BR
dc.date.issued2013pt_BR
dc.identifier.citationNew Zealand Plant Protection, v. 66, p. 303-307, 2013.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/992548pt_BR
dc.descriptionAscospores of Venturia inaequalis constitute the principal source of primary inoculum for epidemics of apple black spot (scab). Mathematical models that describe ascospore release have been developed in USA, New Zealand and Italy. These models are based upon degree-day accumulation. In this work, the seasonal pattern of released ascospores of V. inaequalis in Vacaria, Brazil, was evaluated. During four apple growth seasons (2009 to 2012) the natural release of ascospores from ive orchards was recorded. The cumulative percentage of ascospore release was predicted using three different degreeday models. The released ascospore data showed the best it to the model developed in Italy, with a start date of 22 August rather than the phenological stage of apple bud break. It is concluded that in regions with warm winter temperatures, models that use bud break to initiate ascospore maturation will tend to underestimate availability of ascospores at the beginning of the apple growth season.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectAscosporopt_BR
dc.titleEvaluation of three models for predicting Venturia inaequalis ascospore release in Southern Brazil.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2019-04-02T11:11:11Zpt_BR
dc.subject.thesagroMaçãpt_BR
dc.subject.thesagroEpidemiologiapt_BR
dc.subject.thesagroMalus Domesticapt_BR
dc.subject.thesagroVenturia Inaequalispt_BR
dc.format.extent25 p.pt_BR
riaa.ainfo.id992548pt_BR
riaa.ainfo.lastupdate2019-04-02 -03:00:00pt_BR
dc.contributor.institutionSILVIO ANDRE MEIRELLES ALVES, CNPUV; R.M. Beresford.pt_BR
Aparece nas coleções:Artigo em periódico indexado (CNPUV)

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