Multi-year Field Plantings Evaluating Boxwood Cultivars for Susceptibility to the Blight Pathogens (Calonectria spp.) in Northern Germany

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dc.contributor.authorBrand, Thomasen
dc.contributor.authorBeltz, Heinrichen
dc.contributor.authorEhsen, Björnen
dc.contributor.authorAdhikari, Urmilaen
dc.contributor.authorDaughtrey, Margeryen
dc.contributor.authorLuster, Douglas G.en
dc.contributor.authorKong, Pingen
dc.contributor.authorHong, Chuanxueen
dc.date.accessioned2023-01-04T15:24:21Zen
dc.date.available2023-01-04T15:24:21Zen
dc.date.issued2022-07-22en
dc.date.updated2022-12-31T21:15:08Zen
dc.description.abstractTwo multi-year field trials were conducted to evaluate boxwood cultivars for their susceptibility to the blight pathogens <i>Calonectria pseudonaviculata</i> and <i>C. henricotiae</i> in northern Germany. Fifteen cultivars were included in the first trial from 2007 to 2012, and 46 cultivars in the second trial from 2014 to 2017. Both trials were done in a naturally infested field, supplemented with infected plant tissue added to the soil before planting. Each cultivar had three replicate hedge sections with ten plants per section and they were assessed annually for blight severity expressed as proportion of leaves blighted and fallen. Blight severity varied significantly among years (<i>P</i> < 0.0001) and cultivars (<i>P</i> < 0.05) within each trial. In the first trial, mean severity ranged from 0.03 to 0.11 for the most resistant cultivars and 0.35 to 0.96 for the most susceptible ones. Similarly, in the second trial, mean severity ranged from 0.06 to 0.27 and 0.71 to 0.97 for the most resistant and susceptible cultivars, respectively. 'Suffruticosa' was consistently the most susceptible cultivar, followed by 'Marianne', 'Myosotidifolia', 'Raket' and 'Morris Midget'. 'Herrenhausen' was the most resistant cultivar, followed by <i>B. microphylla</i> var. <i>japonica</i>, <i>B. microphylla</i> var. <i>koreana</i>, 'Green Mound', 'Faulkner', and 'Winter Beauty'. This study provides field data showing the performance of boxwood cultivars under different levels of disease pressure in an area where <i>C. henricotiae</i> was dominant. This knowledge will help boxwood growers and gardeners to choose less susceptible cultivars and help plant breeders to select for disease resistance.en
dc.description.versionAccepted versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1094/pdis-05-22-1102-reen
dc.identifier.eissn1943-7692en
dc.identifier.issn0191-2917en
dc.identifier.orcidHong, Chuanxue [0000-0001-7389-5157]en
dc.identifier.pmid35869584en
dc.identifier.urihttp://hdl.handle.net/10919/113024en
dc.language.isoenen
dc.publisherAmerican Phytopathological Societyen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/35869584en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectCalonectria henricotiaeen
dc.subjectCalonectria pseudonaviculataen
dc.subjectCylindrocladium buxicolaen
dc.subjectBoxwood blighten
dc.subjectblight mitigationen
dc.subjectcultivar evaluationen
dc.subjectresistanceen
dc.titleMulti-year Field Plantings Evaluating Boxwood Cultivars for Susceptibility to the Blight Pathogens (<i>Calonectria</i> spp.) in Northern Germanyen
dc.title.serialPlant Diseaseen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherJournal Articleen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciencesen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/Hampton Roads ARECen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen

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