Field trials with non-bactericide products to control fire blight in apple orchards

A tétel rövid nézete
dc.creatorBubán, T.
dc.creatorSallai, P.
dc.creatorDeme, J.
dc.date2004-05-10
dc.date.accessioned2021-06-28T09:58:55Z
dc.date.available2021-06-28T09:58:55Z
dc.descriptionRecently, novel strategies and chemical agents for prophylactic protection against the bacterial (Erwinia amylovora) disease fire blight are being sought. Resistance-inducing compounds, such as prohexadione-Ca represent promising alternatives. Prohexadione-Ca is the active ingredient of the bioregulator Regalis, currently being introduced in several European countries and overseas. Another product used in this study was Biomit Plussz, a leaf fertiliser providing harmonic supply of nutrient elements, the complete supply is assumed to improve the tolerance against diseases. Treatments' effects of both of these products were compared to the effectiveness of treatments with antibiotics repeated twice, three or four times a season. In the years of 2001 and 2002, the effectiveness of both Regalis and Biomit Plussz in reduction of incidence of shoot blight was similar, or proved to be superior to the check treatments consisting of repeated sprayings of antibiotics. Last year (2003) treatments of streptomycin resulted — although within the same magnitude — in a somewhat better control of shoot blight than sprayings with the other compounds. As regards severity of blossom blight, inconsistent results were recorded concerning both Regalis and Biomit Plussz. In general, prohexadione-Ca is less efficient for controlling flower infection by E. amylovora as compared to shoot infections, since successful prophylactic treatments are difficult to carry out early in the season. The highest effectiveness in fire blight management can, therefore, be achieved by using prohexadione-Ca (as preventive protection) in combination with streptomycin or other suitable antibiotics (as curative protection).
dc.formatapplication/pdf
dc.identifierhttps://ojs.lib.unideb.hu/IJHS/article/view/461
dc.identifier10.31421/IJHS/10/2/461
dc.identifier.urihttp://hdl.handle.net/2437/314250
dc.languageeng
dc.publisherUniversity of Debrecen
dc.relationhttps://ojs.lib.unideb.hu/IJHS/article/view/461/460
dc.rightsCopyright (c) 2018 International Journal of Horticultural Science
dc.sourceInternational Journal of Horticultural Science; Vol. 10 No. 2 (2004); 55-60.
dc.source2676-931X
dc.source1585-0404
dc.source10.31421/IJHS/10/2
dc.subjectfire blight
dc.subjectErwinia amylovora
dc.subjectRegalis
dc.subjectprohexadione-Ca
dc.subjectBiomit Plussz
dc.subjectapple
dc.subjectresistance inducers
dc.subjectpreventive plant protection
dc.titleField trials with non-bactericide products to control fire blight in apple orchards
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
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International Journal of Horticultural Science