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Environmental conditions affect Botrytis cinerea Infection of mature grape berries more than the strain or transposon genotype

hal.structure.identifierUniversità cattolica del Sacro Cuore = Catholic University of the Sacred Heart [Roma] [Unicatt]
dc.contributor.authorCILIBERTI, Nicola
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.authorROSSI, Vittorio
dc.date.accessioned2024-04-08T12:32:07Z
dc.date.available2024-04-08T12:32:07Z
dc.date.issued2015
dc.identifier.issn0031-949X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/197122
dc.description.abstractEnEffects of environment, Botrytis cinerea strain, and their interaction on the infection of mature grape berries were investigated. The combined effect of temperature (T) of 15, 20, 25, and 30°C and relative humidity (RH) of 65, 80, 90, and 100% was studied by inoculating berries with mycelium plugs. Regardless of the T, no disease occurred at 65% RH, and both disease incidence and severity increased with increasing RH. The combined effect of T (5 to 30°C) and wetness duration (WD) of 3, 6, 12, 24, and 36 h was studied by inoculating berries with conidia. At WD of 36 h, disease incidence was approximately 75% of affected berries at 20 or 25°C, 50% at 15°C, and 30 to 20% at 30 and 10°C; no infection occurred at 5°C. Under favorable conditions (100% RH or 36 h of WD) and unfavorable conditions (65% RH or 3 h of WD), berry wounding did not significantly affect disease incidence; under moderately favorable conditions (80% RH or 6 to 12 h of WD), disease incidence was approximately 1.5 to 5 times higher in wounded than in intact berries. Our data collectively showed that (i) T and RH or WD were more important than strain for mature berry infection by either mycelium or conidia and (ii) the effect of the environment on the different strains was similar. Two equations were developed describing the combined effect of T and RH, or T and WD, on disease incidence following inoculation by mycelium (R(2) = 0.99) or conidia (R(2) = 0.96), respectively. These equations may be useful in the development of models used to predict and control Botrytis bunch rot during berry ripening.
dc.language.isoen
dc.publisherAmerican Phytopathological Society
dc.subject.enVitis vinifera
dc.subject.engray mold
dc.title.enEnvironmental conditions affect Botrytis cinerea Infection of mature grape berries more than the strain or transposon genotype
dc.typeArticle de revue
dc.identifier.doi10.1094/PHYTO-10-14-0264-R
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPhytopathology
bordeaux.page1090-1096
bordeaux.volume105
bordeaux.hal.laboratoriesSanté et Agro-Ecologie du Vignoble (SAVE) - UMR 1065*
bordeaux.issue8
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02639553
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02639553v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Phytopathology&rft.date=2015&rft.volume=105&rft.issue=8&rft.spage=1090-1096&rft.epage=1090-1096&rft.eissn=0031-949X&rft.issn=0031-949X&rft.au=CILIBERTI,%20Nicola&FERMAUD,%20Marc&ROUDET,%20Jean&ROSSI,%20Vittorio&rft.genre=article


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