Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Helena Ivanová"'
Publikováno v:
Plant Protection Science, Vol 52, Iss 4, Pp 250-253 (2016)
During 2014-2015, samples from ten 20-25 years old pine (Pinus ponderosa var. jeffreyi) trees showing wilt symptoms were collected from the Arborétum Mlyňany park. A disease was observed on 20% of the trees. The first symptoms are wilting, stunting
Externí odkaz:
https://doaj.org/article/67c8914443424fb69460fe140e279fff
Publikováno v:
Plant Protection Science, Vol 52, Iss 1, Pp 18-25 (2016)
A new pathogen, Sordaria macrospora, isolated from damaged needles of black pine (Pinus nigra) causes discolouration, brown spots, blight symptoms, and necroses spoiling aesthetic value. Two species, C. ligniaria and C. malacotricha, the most common
Externí odkaz:
https://doaj.org/article/e4222b8dd9d64f0c897e35f5d462d648
Publikováno v:
Plant Protection Science, Vol 40, Iss 2, Pp 42-48 (2004)
The health state of firethorn, Pyracantha coccinea, was evaluated in different types of functional urban greenery at locations in Slovakia during 2001 (34 sites) and 2002 (18 sites). The occurrence of scab disease, caused by the fungus Spilocaea pyra
Externí odkaz:
https://doaj.org/article/368a3ca5b91144b489da407bca402c2d
Autor:
Gabriela Juhásová, Helena Ivanová
Publikováno v:
Plant Protection Science, Vol 37, Iss 1, Pp 5-9 (2001)
During 1997-1999 the health condition of Sorbus aucuparia L. in the urban environment of the town Nitra was evaluated in relation to the type of usage or location of the trees, and occurrence, spread and harmfulness of the parasitic fungus Cytospora
Externí odkaz:
https://doaj.org/article/80fc995e879a4eaaa7be8dd72424ea0a
Publikováno v:
Planta Medica. 86:1025-1031
Fraxinus excelsior is currently suffering from ash dieback disease caused by the fungus Hymenoscyphus fraxineus. Co-occurrence of large numbers of other fungi with endophytic as well as pathogenic lifestyles has been observed on F. excelsior. In this
Publikováno v:
Biologia. 73:553-559
This is the first report of Sordaria fimicola-like ascomycete which was encountered during a diversity study of injured tissues of coulter pine in Slovakia. The fungus was identified as Sordaria fimicola by morphological analyses. Sequence analysis o
Publikováno v:
Lesnícky Časopis, Vol 64, Iss 2, Pp 133-139 (2018)
The diversity of fungi on branches and leaves of ashes (Fraxinus angustifolia, F. excelsior, F. ornus) in Slovakia was studied. Symptomatic material collected in Slovakia during the period of 2013 to 2017 and herbarium specimens previously collected
Autor:
Helena Ivanová
Publikováno v:
Folia Oecologica, Vol 45, Iss 1, Pp 53-57 (2018)
Formerly, before the current Hymenoscyphus fraxineus epidemic, symptomatic ash twigs were habitually colonized by fungi occurring occasionally in the early stages of ash diseases. Some of these fungi are endophytes or facultative parasites. The segme
Autor:
Helena Ivanová
Publikováno v:
Folia Oecologica, Vol 44, Iss 1, Pp 54-57 (2017)
The subject of this study is escalated occurrence of the pathogenic fungus Camarosporium pini in the needle tissue of symptomatic trees P. nigra and P. ponderosa var. jeffreyi growing in urbanized settings and parks. C. pini induces severe infections
Publikováno v:
Plant Protection Science. 52:250-253