Floral biological studies on pear cultivars in relation to fire blight susceptibility

A tétel rövid nézete
dc.creatorFarkas, A.
dc.creatorOrosz-Kovács, Zs.
dc.creatorBubán, T.
dc.date2004-05-10
dc.date.accessioned2021-06-28T09:58:53Z
dc.date.available2021-06-28T09:58:53Z
dc.descriptionFloral biological characteristics that may influence cultivar susceptibility to fire blight were studied in 10 pear cultivars in two Hungarian orchards from 1999 to 2003. The receptaculo-ovarial, automorphic nectary is usually bigger in tolerant cultivars than in susceptible ones. Nectary stomata are meso- or xeromorphic. Susceptible cultivars tend to have more xeromorphic stomata, where guard cells are located 1-3 cell rows below the epidermis. The size of nectar chambers is usually smaller in susceptible cultivars. Floral nectar, consisting mainly of glucose and fructose, is more abundant and less concentrated if the cultivar is susceptible to fire blight. The amount of chlorogenic acid was higher in the flowers of tolerant cultivars than in susceptible ones.
dc.formatapplication/pdf
dc.identifierhttps://ojs.lib.unideb.hu/IJHS/article/view/457
dc.identifier10.31421/IJHS/10/2/457
dc.identifier.urihttp://hdl.handle.net/2437/314246
dc.languageeng
dc.publisherUniversity of Debrecen
dc.relationhttps://ojs.lib.unideb.hu/IJHS/article/view/457/456
dc.rightsCopyright (c) 2018 International Journal of Horticultural Science
dc.sourceInternational Journal of Horticultural Science; Vol. 10 No. 2 (2004); 25-30.
dc.source2676-931X
dc.source1585-0404
dc.source10.31421/IJHS/10/2
dc.subjectErwinia amylovora
dc.subjectfire blight
dc.subjecthistology
dc.subjectnectar
dc.subjectnectary
dc.subjectpear
dc.subjectPyrus communis L.
dc.subjectstomata
dc.subjectsusceptibility to Erwinia
dc.subjectTLC
dc.titleFloral biological studies on pear cultivars in relation to fire blight susceptibility
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
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International Journal of Horticultural Science