Biological indicators to estimate the prevalence of gray mold and hairline cracks on table grapes cv. Thompson Seedless after cold storage

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dc.contributor.authorPablo Zoffoli, Juan
dc.contributor.authorLatorre, Bernardo A.
dc.contributor.authorRodriguez, Jessica
dc.contributor.authorAguilera, Jose M.
dc.date.accessioned2024-01-10T13:46:25Z
dc.date.available2024-01-10T13:46:25Z
dc.date.issued2009
dc.description.abstractGray mold caused by Botrytis cinerea and hairline cracks are the major cold storage deterioration problems of table grapes (Vitis vinifera). Currently. table grapes are treated with sulfur dioxide (SO2), but this treatment does not sufficiently and consistently control B. cinerea. This is probably associated with latent infections that are poorly controlled with SO2, and to the increased berry propensity to develop hairline cracks following SO2 treatment. Therefore, the objective of this work was to obtain an early biological indicator to segregate grape lots at harvest to later develop according to the potential gray mold and hairline cracks. In this study, it was possible to distinguish gray mold infections at the stylar end, cheek, and base of the berries. However, on commercial SO2-treated lots of 'Thompson Seedless' table grapes, the occurrence of gray mold after cold storage was best predicted (Y= 0.45X, R-2 = 0.84, P < 0.001) by the number of gray mold infections that developed at the base of the berry of surface-disinfected (100 mu L L-1 SO2 for 1 h) grapes that were incubated at harvest in humid chambers (100% relative humidity) for 2 d at 0 degrees C then 5 d at 20 degrees C. Similarly, the occurrence of hairline cracks after cold storage was best predicted (Y= 1.48 + 0.51X, R-2 = 0.66, P= 0.0002) by the number of hairline cracks induced at harvest by dipping berries in 0.1 mol L-1 citric acid, pH 2, for 3 h at 20 degrees C, and stained with 0.1 mol L-1 methylene blue for 30 s at 20 degrees C. At harvest, cuticle content and porosity also predicted the occurrence of hairline cracks after cold storage. However, the cuticle content at harvest did not significantly predict gray mold occurrence at the berry base after cold storage. The occurrence of gray mold in commercial SO2-treated lots after cold storage was predicted by the prevalence of gray mold at the berry base at harvest. Similarly, the occurrence of hairline cracks after cold storage was predicted by the ability to induce hairline cracks at harvest by acidic pH. Further refinement in this research is needed before using these biological indicators to segregate table grape lots commercially. (C) 2008 Elsevier B.V. All rights reserved.
dc.description.funderConicyt (Comision Nacional de Investigacion)
dc.description.funderCientifica y Tecnologica (Chile)
dc.description.funderFondecyt
dc.fechaingreso.objetodigital08-04-2024
dc.format.extent8 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.postharvbio.2008.11.010
dc.identifier.eissn1873-2356
dc.identifier.issn0925-5214
dc.identifier.urihttps://doi.org/10.1016/j.postharvbio.2008.11.010
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/79159
dc.identifier.wosidWOS:000264204000018
dc.information.autorucIngeniería;Aguilera JM;S/I;99054
dc.information.autorucAgronomía e Ing. Forestal;Latorre BA;S/I;98977
dc.information.autorucAgronomía e Ing. Forestal;Rodriguez J ;S/I;165829
dc.information.autorucAgronomía e Ing. Forestal;Zoffoli JP ;S/I;58311
dc.issue.numero1
dc.language.isoen
dc.nota.accesoContenido parcial
dc.pagina.final133
dc.pagina.inicio126
dc.publisherELSEVIER SCIENCE BV
dc.revistaPOSTHARVEST BIOLOGY AND TECHNOLOGY
dc.rightsacceso restringido
dc.subjectBotrytis cinerea
dc.subjectDecay
dc.subjectForecasting
dc.subject'Thompson Seedless'
dc.subjectVitis vinifera
dc.subjectBOTRYTIS-CINEREA INFECTION
dc.subjectSULFUR-DIOXIDE
dc.subjectMONILINIA-FRUCTICOLA
dc.subjectDISEASE EXPRESSION
dc.subjectBUNCH ROT
dc.subjectLATENCY
dc.subjectCALIFORNIA
dc.subjectBERRIES
dc.subjectFRUIT
dc.subjectDECAY
dc.subject.ods02 Zero Hunger
dc.subject.ods13 Climate Action
dc.subject.odspa02 Hambre cero
dc.subject.odspa13 Acción por el clima
dc.titleBiological indicators to estimate the prevalence of gray mold and hairline cracks on table grapes cv. Thompson Seedless after cold storage
dc.typeartículo
dc.volumen52
sipa.codpersvinculados99054
sipa.codpersvinculados98977
sipa.codpersvinculados165829
sipa.codpersvinculados58311
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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