Microorganisms colonizing the leaves, shoots and roots of boxwood (Buxus sempervirens L.)

Halina Kurzawińska , Stanisław Mazur , Jacek Nawrocki

Abstract

Buxus sempervirens (L.) is an evergreen shrub often used in urban plantings intended for forming thetrimmed hedges, as well as for creating geometrical shapes. Its decorative qualities are often diminished by the effects of pathogens colonizing the roots, shoots and leaves. The study was conducted in three consecutive growing seasons. The experimental material originated from a nursery located in southern Poland. The subjects under study were diseased leaves, stems and roots of the boxwood variety ‘Suffruticosa’ Samples consisting of 720 diseased fragments of the shrub were taken for mycological examination. Mycological isolations were performed according to the standard methods used in phytopathology. A total of 1059 colonies of fungi and fungus-like organisms were isolated from the diseased boxwood plants. The fungus Alternaria alternata dominated among all the isolates. The pathogens frequently isolated from the leaves included Macrophoma candollei, Volutella buxi and Fusarium buxicola. Those frequently isolated from the shoots included: Pestalotiopsis sydowiana, Volutella buxi and Fusarium avenaceum. The root system, in turn, was colonized in large numbers by: Fusarium oxysporum, F. avenaceum, Rhizoctonia solani, Botrytis cinerea and Phytophthora cinnamomi. Results of the three-year study show a comprehensive participation of phytopathogens in the disease process affecting the boxwood variety ‘Suffruticosa’
Author Halina Kurzawińska (FoBaH / DoPPro)
Halina Kurzawińska,,
- Department of Plant Protection
, Stanisław Mazur (FoBaH / DoPPro)
Stanisław Mazur,,
- Department of Plant Protection
, Jacek Nawrocki (FoBaH / DoPPro)
Jacek Nawrocki,,
- Department of Plant Protection
Journal seriesActa Scientiarum Polonorum Hortorum Cultus Horticulture, [Acta Scientiarum Polonorum, Hortorum Cultus], ISSN 1644-0692, (N/A 70 pkt)
Issue year2019
Vol18
No6
Pages149-154
Publication size in sheets0.5
Keywords in Englishboxwood, isolations, microorganisms
ASJC Classification1108 Horticulture; 1110 Plant Science
Languageen angielski
LicenseJournal (articles only); author's original; Uznanie Autorstwa - Użycie Niekomercyjne - Bez utworów zależnych (CC-BY-NC-ND); after publication
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Microorganisms colonizing the leaves, shoots and roots of boxwood (Buxus sempervirens L.) 743,48 KB
Score (nominal)70
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.513; WoS Impact Factor: 2018 = 0.443 (2) - 2018=0.67 (5)
Citation count*
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FinansowanieThis research was financially supported by the Ministry of Science and Higher Education of Poland (project number DS-3508/2019)
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