Susceptibility of some traditional pear cultivars of Hungarian and foreign origin to the pathogenic bacterium Erwinia amylovora

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dc.contributor.authorHonty, K.
dc.contributor.authorHevesi, M.
dc.contributor.authorGöndör, M.
dc.contributor.authorM., G. Tóth
dc.contributor.authorBács-Várkuti, V.
dc.contributor.authorFerenczy, A.
dc.date.accessioned2021-06-28T09:59:02Z
dc.date.available2021-06-28T09:59:02Z
dc.date.issued2004-08-13
dc.description.abstractFire blight, a disease caused by the bacterium Erwinia amylovora (Burrill) Winslow et al., has been causing serious damage in Hungarian pear plantations since 1996. A prospective control measure could be the use of resistant cultivars. For that purpose ten pear cultivars have been tested under laboratory and greenhouse conditions for resistance to Erwinia amylovora strains collected in Hungary. Six of these cultivars are Hungarian ones of unknown origin, while four are traditional old varieties. Resistant cultivars should serve as germplasm for future breeding. Inoculations were made with a mixture of different pear isolates of the bacteria collected from various growing regions of Hungary (Ea 21, 23), at a density of 5x10 8 cells/ml. Susceptibility/resistance has been assessed on the basis of intensity of blight symptoms observed on shoots, flower parts and fruits. Cultivars were assigned to three susceptibility groups (low, moderate and high). Complete resistance was not found among the cultivars tested. The highest level of resistance was found in cultivar 'Kieffer', while the other cultivars displayed either moderate or high susceptibility to infection.en
dc.formatapplication/pdf
dc.identifier.citationInternational Journal of Horticultural Science, Vol. 10 No. 3 (2004) , 41-45.
dc.identifier.doihttps://doi.org/10.31421/IJHS/10/3/506
dc.identifier.eissn2676-931X
dc.identifier.issn1585-0404
dc.identifier.issue3
dc.identifier.jatitleInt. j. hortic. sci.
dc.identifier.jtitleInternational Journal of Horticultural Science
dc.identifier.urihttps://hdl.handle.net/2437/314268en
dc.identifier.volume10
dc.languageen
dc.relationhttps://ojs.lib.unideb.hu/IJHS/article/view/506
dc.rights.accessOpen Access
dc.rights.ownerInternational Journal of Horticultural Science
dc.subjecttraditional pear cultivarsen
dc.subjectfire blight susceptibilityen
dc.subjectin vitro testingen
dc.titleSusceptibility of some traditional pear cultivars of Hungarian and foreign origin to the pathogenic bacterium Erwinia amylovoraen
dc.typefolyóiratcikkhu
dc.typearticleen
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