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Environmental effects on the production of Botrytis cinerea conidia on different media, grape bunch trash, and mature berries

hal.structure.identifierUniversità cattolica del Sacro Cuore = Catholic University of the Sacred Heart [Roma] [Unicatt]
dc.contributor.authorCILIBERTI, N.
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorFERMAUD, Marc
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorROUDET, Jean
hal.structure.identifierUniversità cattolica del Sacro Cuore = Catholic University of the Sacred Heart [Roma] [Unicatt]
dc.contributor.authorLANGUASCO, L.
hal.structure.identifierUniversità cattolica del Sacro Cuore = Catholic University of the Sacred Heart [Roma] [Unicatt]
dc.contributor.authorROSSI, V.
dc.date.accessioned2024-04-08T12:32:31Z
dc.date.available2024-04-08T12:32:31Z
dc.date.issued2016
dc.identifier.issn1322-7130
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/197143
dc.description.abstractEn<strong>Background and Aims</strong> The presence of viable sources and of conditions favourable for conidial production, dispersal and deposition is essential for a high number of Botrytis cinerea conidia to be available at host infection sites. This study investigated the effect of environmental conditions, growing media and grape organs on the sporulation of ten strains of different genotypes and geographical origin. <strong>Method and Results</strong> Media of different water activity and similar to berry juice at several maturity stages, grape bunch trash or mature berries were inoculated with B. cinerea and incubated under variable conditions of temperature and relative humidity. Optimal conditions for sporulation were: temperature between 15 and 20°C, relative humidity >65.5%; water activity=0.971; and medium similar to the juice of softening berries. Conidia produced on bunch trash and mature berries were significantly correlated with those on artificial media. <strong>Conclusions</strong> Differences among strains did not change the response pattern of sporulation to the environmental conditions. Equations were then developed for describing the effect of temperature and relative humidity on sporulation, and of degree-days on the length of latent period. <strong>Significance of the Study</strong> When combined with predictive models for infection, our equations could contribute to the development of an effective disease prediction system for Botrytis bunch rot.
dc.language.isoen
dc.publisherWiley/Australian Society of Viticulture and Oenology
dc.subjectepidemiology
dc.subject.engrey mould
dc.subject.enmodelling
dc.subject.enVitis vinifera
dc.title.enEnvironmental effects on the production of Botrytis cinerea conidia on different media, grape bunch trash, and mature berries
dc.typeArticle de revue
dc.identifier.doi10.1111/ajgw.12217
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalAustralian Journal of Grape and Wine Research
bordeaux.page262–270
bordeaux.volume22
bordeaux.hal.laboratoriesSanté et Agro-Ecologie du Vignoble (SAVE) - UMR 1065*
bordeaux.issue2
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02636933
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02636933v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Australian%20Journal%20of%20Grape%20and%20Wine%20Research&amp;rft.date=2016&amp;rft.volume=22&amp;rft.issue=2&amp;rft.spage=262%E2%80%93270&amp;rft.epage=262%E2%80%93270&amp;rft.eissn=1322-7130&amp;rft.issn=1322-7130&amp;rft.au=CILIBERTI,%20N.&amp;FERMAUD,%20Marc&amp;ROUDET,%20Jean&amp;LANGUASCO,%20L.&amp;ROSSI,%20V.&amp;rft.genre=article


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