Effectiveness of conidia of Trichoderma harzianum produced by liquid fermentation against Botrytis bunch rot of table grape in Chile

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dc.contributor.authorLatorre, BA
dc.contributor.authorAgosin, E
dc.contributor.authorSanMartin, R
dc.contributor.authorVasquez, GS
dc.date.accessioned2024-01-10T12:38:28Z
dc.date.available2024-01-10T12:38:28Z
dc.date.issued1997
dc.description.abstractOver 100 isolates of Trichoderma harzianum Rifai were obtained from soil samples and from the phylloplane of kiwifruit (Actinidia chinensis Planchon), grape (Vitis vinifera), orange (Citrus sinensis (L.) Osbeck), eucalyptus (Eucalyptus globulus Labill.), and apricot (Prunus armeniaca L.) in Chile. A subsample of 48 isolates were tested and found to be antagonistic to Botrytis cinerea Pers. ex Fr. on apple fruits. Isolate S10B from soil in Chile provided similar control of Botrytis bunch rot under field conditions to reference isolate P1 (ATCC 74058) and T39 (Trichodex 25 WP). However, field trials conducted during four growing seasons (1992-1995) with preparations of conidia of formulated or non-formulated T. harzianum P1 provided only partial control of Botrytis bunch rot of 'Thomson Seedless' table grape. Disease incidence was significantly different (p < 0.05) from untreated controls, but equal to or less than the control achieved with vinclozolin (Ronilan 50 WP, 1.5 kg ha(-1)) and similar to captan (Captan 80 WP, 4 kg ha(-1)). This level of control is insufficient considering that tolerance for B. cinerea is very low (< 0.5%) on table grapes. Nevertheless, the antagonistic activity of T. harzianum may be effective if it is integrated with other control practices, and may result in acceptable levels of disease control with reduced levels of pesticide use. (C) 1997 Elsevier Science Ltd.
dc.fechaingreso.objetodigital2024-04-11
dc.format.extent6 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/S0261-2194(96)00102-0
dc.identifier.issn0261-2194
dc.identifier.urihttps://doi.org/10.1016/S0261-2194(96)00102-0
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/77050
dc.identifier.wosidWOS:A1997WX90200003
dc.information.autorucIngeniería;Agosin E;S/I;99630
dc.information.autorucAgronomía e Ing. Forestal;Latorre B;S/I;98977
dc.information.autorucIngeniería;San Martín R;S/I;51656
dc.issue.numero3
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final214
dc.pagina.inicio209
dc.publisherELSEVIER SCI LTD
dc.revistaCROP PROTECTION
dc.rightsacceso restringido
dc.subjectbiological control
dc.subjectBotrytis cinerea
dc.subjectfungicides, gray mold
dc.subjectTrichoderma harzianum
dc.subjectVitis vinifera
dc.subjectCINEREA
dc.subjectAPPLE
dc.subject.ods02 Zero Hunger
dc.subject.odspa02 Hambre cero
dc.titleEffectiveness of conidia of Trichoderma harzianum produced by liquid fermentation against Botrytis bunch rot of table grape in Chile
dc.typeartículo
dc.volumen16
sipa.codpersvinculados99630
sipa.codpersvinculados98977
sipa.codpersvinculados51656
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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