A protocol for the management of grapevine rootstock mother vines to reduce latent infections by grapevine trunk pathogens in cuttings

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dc.contributor.authorWaite, Helenen_ZA
dc.contributor.authorArmengol, Josepen_ZA
dc.contributor.authorBaaijens, Regina Billonesen_ZA
dc.contributor.authorGramaje, Daviden_ZA
dc.contributor.authorHalleen, Francoisen_ZA
dc.contributor.authorMarco, Stefano Dien_ZA
dc.contributor.authorSmart, Richard
dc.date.accessioned2021-09-30T13:04:49Z
dc.date.available2021-09-30T13:04:49Z
dc.date.issued2018
dc.descriptionCITATION: Waite, H., et al. 2018. A protocol for the management of grapevine rootstock mother vines to reduce latent infections by grapevine trunk pathogens in cuttings. Phytopathologia Mediterranea, 57(3):84-398, doi:10.14601/Phytopathol_Mediterr-22772.
dc.descriptionThe original publication is available at http://www.fupress.net
dc.description.abstractA protocol is offered as a guideline for managers of rootstock mother grapevines, and as a potential research framework for to reduce infections by Grapevine Trunk Disease (GTD) pathogens in rootstock mother vines and cuttings. Latent infections by GTD pathogens in rootstock cuttings are a major source of the pathogens in grafted nursery vines and subsequently in new vineyards. The many pruning cuts made at the crowns of mother vines predispose them to infection which is transmitted to the new shoots via the xylem. Direct penetration by epiphytic inoculum on the bark of the shoots/canes can also occur. Mother vines with unprotected pruning wounds are typically heavily infected, particularly if they are not trellised. Availability of pruning wound treatments is limited in many countries. The spread of GTD pathogen inoculum can be reduced by avoiding sprinkler and flood irrigation, by trellising mother vines so that canopies are off the soil, and by spraying fungicides or painting wounds immediately after canes are harvested. Frequent trunk renewal aids in reducing inoculum. Cuts should be made to retain long internodes on the mother vines, cuttings should not contact the soil and pruning debris should be promptly destroyed. Cutting implements should be disinfested regularly and cuttings should be dipped in a registered fungicide or sterilant. Soaking cuttings increases fungal populations in the basal wounds and softens the bark, favouring penetration by pathogen inoculum. Dormant bench grafting in nurseries produces more GTD-symptomatic vines than field chip budding, so improved management for rootstock mother vines is more important where dormant cuttings are bench grafted. GTD epidemiology in source blocks is summarised, and best practice protocols for mother vine management and pre-grafting stages of propagation are suggested. Similar principles could be applied to scion mother vine management.en_ZA
dc.description.urihttps://oajournals.fupress.net/index.php/pm/article/view/5779
dc.description.versionPublisher's version
dc.format.extent15 pages : illustrations (some color)en_ZA
dc.identifier.citationWaite, H., et al. 2018. A protocol for the management of grapevine rootstock mother vines to reduce latent infections by grapevine trunk pathogens in cuttings. Phytopathologia Mediterranea, 57(3):84-398, doi:10.14601/Phytopathol_Mediterr-22772
dc.identifier.issn1593-2095 (online)
dc.identifier.issn0031-9465 (print)
dc.identifier.otherdoi:10.14601/Phytopathol_Mediterr-22772
dc.identifier.urihttp://hdl.handle.net/10019.1/123109
dc.language.isoen_ZAen_ZA
dc.publisherFirenze University Press
dc.rights.holderAuthors retain copyright
dc.subjectTrunk diseasesen_ZA
dc.subjectRootstocks -- Managementen_ZA
dc.subjectLatent transmissionen_ZA
dc.subjectGrapes -- Control -- Environmental aspectsen_ZA
dc.subjectRootstocks -- Diseases and pestsen_ZA
dc.subjectGrapes -- Rootstocksen_ZA
dc.subjectPathogenic microorganismsen_ZA
dc.subjectGrapevines -- Managementen_ZA
dc.titleA protocol for the management of grapevine rootstock mother vines to reduce latent infections by grapevine trunk pathogens in cuttingsen_ZA
dc.typeArticleen_ZA
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