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Wyświetlanie 1-6 z 6
Tytuł:
Host preferences of wood-decaying fungi of the genus Ganoderma in the urban areas of Slovakia
Autorzy:
Beck, Terézia
Gáper, Ján
Šebesta, Martin
Gáperová, Svetlana
Powiązania:
https://bibliotekanauki.pl/articles/2176831.pdf
Data publikacji:
2018-12-31
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
Ganoderma
polyporoid fungi
basidiomata
host tree
wood-decaying fungi
grzyby polyporowe
basidiomaty
drewno żywicielskie
grzyby rozkładające drewno
Opis:
Ganoderma (Basidiomycota, Polyporales) is a cosmopolitan genus with the greatest diversity in the tropics. It causes white rot of a wide range of woody plants all over the world. In Europe, 7 species of the genus Ganoderma grow: Ganoderma adspersum, G. applanatum, G. carnosum, G. lucidum, G. pfeifferi, G. resinaceum and G. valesiacum. All of them also occur in Slovakia. The aim of the present study was to identify the presence of Ganoderma species in the urban areas of Slovakia and to find out their host preferences and topology of the basidiocarps on the colonised trees. A total 263 findings of Ganoderma obtained by own field research and processing of records from herbarium items located in natural museums in Bratislava (Slovakia) and Prague (Czech Republic) were analysed to detect their ecological characteristics. The occurrence of all 7 Ganoderma species was  recorded in the urban areas of Slovakia. The most common species is G. adspersum (39% of all records) with the widest range of host woody plants (24 species). G. applanatum is second most widespread species in the urban areas of Slovakia growing mostly on a decomposing wood of unknown trees (31% of all findings) and also on beeches (9% of all findings). G. resinaceum is third most widespread in the urban areas and it grew mainly on Quercus. G. lucidum was most often found on unknown trees (65% of all findings) and also on oaks (16% of all findings). The rarest Ganoderma species are G. valesiacum (only 1 record on Larix sp.), G. pfeifferi (4 records, mainly on Fagus sylvatica) and G. carnosum (4% of all records, mainly on a decomposing wood of unknown trees).
Lakownica – Ganoderma P. Karst. (Basidiomycota, Polyporales) to kosmopolityczny rodzaj o największej różnorodności w tropikach. Lakownice powodują białe zgnilizny wielu różnych drzewostanów na całym świecie. W Europie, w tym także na Słowacji, występuje siedem gatunków lakownic: Ganoderma adspersum (l. europejska), G. applanatum (l. spłaszczona), G. carnosum (l. brązowoczarna), G. lucidum (l. zółtawa), G. pfeifferi (l. czerwonawa), G. resinaceum (l. jasnomiąższowa) oraz G. valesiacum (l. walezyjska). Celem niniejszych badań było zidentyfikowanie obecności poszczególnych gatunków lakownic w zurbanizowanym środowisku Słowacji oraz określenie ich preferencji żywicielskich, a także topologii bazydiokarpów na skolonizowanych drzewach. W badaniu wykorzystano 263 okazy lakownic zebranych w trakcie badań terenowych oraz oznaczonych rekordów, pochodzących ze zbiorów zielnikowych z muzeów przyrodniczych w Bratysławie (Słowacja) oraz w Pradze (Czechy). W zurbanizowanym środowisku Słowacji odnotowano występowanie wszystkich 7 gatunków lakownic. Najczęściej notowywanym gatunkiem jest G. adspersum (39% wszystkich rekordów), z najszerszym spektrum drzew żywicielskich (24 gatunki). G. applanatum jest drugą najbardziej rozpowszechnioną lakownicą w zurbanizowanycm środowisku na Słowacji. Rośnie głównie na rozkładającym się drewnie nieidentyfikowalnych gatunków drzew (31% wszystkich rekordów), a także na bukach (9% wszystkich rekordów). G. resinaceum jest trzecim najbardziej rozpowszechnionym gatunkiem i rośnie głównie na dębach. Natomiast G. lucidum zazwyczaj występowała na nieidentyfikowalnym drewnie (65% wszystkich rekordów) oraz na dębach (16% wszystkich rekordów). Najrzadsze lakownice to: G. valesiacum (tylko jedno znalezisko na Larix sp.), G. pfeifferi (4 rekordy, głównie na Fagus sylvatica) oraz G. carnosum (4% wszystkich rekordów, zwłaszcza na nieidentyfikowalnym gatunkowo rozkładającym się drewnie).
Źródło:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2018, 3; 22-37
2543-8832
2545-0999
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Host specialization of IS-group isolates of Heterobasidion annosum to Scots pine, Norway spruce and common fir in field inoculation experiments
Autorzy:
Werner, A
Lakomy, P.
Powiązania:
https://bibliotekanauki.pl/articles/41469.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
sapwood
Norway spruce
Scotch pine
host preference
Heterobasidion annosum
host tree
wounding method
vertical spread
intersterile group
common fir
host
Opis:
Two field inoculation experiments were conducted to study intraspecific variation in vertical spread of the P-, S- andF-IS-group isolates of Heterobasidion annosum in stems of Pinus sylvestris, Picea abies and Abies alba. Host-plants were inoculated with four isolates of each IS group after 10 mm long wounds made with a sterile knife (experiment 1) or 3 mm diameter radial holes made with a drill (experiment 2). On pine, the P-group isolates were more virulent than S andF isolates in terms of infection frequency, mortality rate andvertical spread in sapwood. The S isolates had higher incidence of infection and extensive growth on spruce than on pine. The F isolates were significantly less virulent on pine andspruce than on fir. Vertical spreadof all IS groups on fir was similar. In spite of between-strain-within-IS group variation in vertical spreadon each host, the study provided strong evidence for the occurrence of intraspecific differences in the host preference. In the interspecific analysis with three hosts, the isolates, IS groups andhost × strain andhost × IS group interactions accountedfor most of the explainedvariation, while host-plants accountedfor the smallest portion of the variance.
Źródło:
Dendrobiology; 2002, 47
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wood anatomy of ivy-hosting black alder (Alnus glutinosa Gaertn.)
Autorzy:
Yaman, B
Powiązania:
https://bibliotekanauki.pl/articles/41410.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
tree
English ivy
ivy
Hedera helix
ivy impact
host tree
secondary xylem
growth
wood
anatomy
black alder tree
Alnus glutinosa
qualitative property
Opis:
The study aims at investigating the impact of ivy (Hedera helix L.) on the growth and on some wood anatomical characteristics of black alder trees. Ivy-hosting and non-hosting black alder have a similar wood anatomy in terms of qualitative properties. However, in ivy-hosting trees tangential and radial diameter of vessels are narrower (p <0.001), and inter-vessel pits are smaller (p <0.01), whereas vessel frequency is higher (p<0.05) than those of non-hosting ones. The average maximum ray height is greater (p<0.05), and ray number mm-1 is lower (p < 0.001) than those of non-hosting individuals. In addition, the last ten years’ average radial growth has decreased 39.5% compared to that of non-hosting black alder.
Źródło:
Dendrobiology; 2009, 62; 41-45
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First molecular identification and phylogenetic tree of Petasiger exaeretus Dietz, 1909 (Digenea: Echinostomatidae) from an intermediate host Radix auricularia (L., 1758) in Greater Zab river, Iraq
Autorzy:
Bashe, S.K.
Ali, L.A.-Q.
Powiązania:
https://bibliotekanauki.pl/articles/2085017.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
Petasiger
Cercariae
Radix
Snail
Iraq
Opis:
Introduction. Radix auricularia (Linnaeus, 1758) is a freshwater gastropod belongs to the Lymnaeidae (pond snails) family which act as intermediate hosts or vectors of various parasitic flukes. No study has yet been undertaken on the prevalence of Petasiger spp. infection in R. auricularia. Species of Petasiger (Dietz, 1909) are a cosmopolitan parasite that utilize snails as the first intermediate host, with vertebrates like amphibians larvae and fish as the second intermediate host, followed by fish-eating birds. The current paper is considered to be the first report of Petasiger exaeretus parasitized R. auricularia in Iraq, which is supported with molecular and phylogenetic analysis. Materials and method. Freshwater snails R. auricularia were collected during October 2016 – September 2017 from different locations of Sufaia village on the Greater Zab river, Erbil province, Iraq. Results. A total of 307 freshwater snails R. auricularia were collected, only five of them were infected with a prevalence of Petasiger exaeretus (1.62%). Conclusions. The current study agrees with the opinion of Selbach, Soldánová (26), which suggested the possibility of a much higher morphological diversity within Petasiger species, based on the number of described cercariae, compared with adult forms.It is clear that P. phalacrocoracis specimens have often been erroneously designated as P. exaeretus by many authors (Našincová et al., 1994). Certain morphological similarities and dissimilarities between P. exaeretus and P. phalacrocoracis can be detected: the pear-shaped body resembles P. exaeretus, whereas, P. phalacrocoracis have an elongated body.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 3; 504-507
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic polymorphism of Polish strains of Gremmeniella abietina and Brunchorstia pinea var. cembrae
Autorzy:
Kraj, W
Powiązania:
https://bibliotekanauki.pl/articles/41508.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
coniferous tree
plant pathology
pine
spruce
fir
juniper
pathogen
plant disease
shoot blight
canker
branch
stem
Gremmeniella abietina
Brunchorstia pinea var.cembrae
needle
genetic polymorphism
Polish strain
host preference
polymerase chain reaction
RFLP analysis
Opis:
Thirty-three type A strains of G. abietina from diseased shoots or needles of P. sylvestris, P. nigra and P. armandii and three strains of Brunchorstia pinea var. cembrae from P. mugo were isolated from four regions of Poland differing with respect to climatic conditions. Genetic polymorphism of the mitochondrial small subunit rRNA (mtSSU rRNA), ribosomal RNA fragment including ITS1, 5.8S and ITS2 and glyceraldehyde phosphate dehydrogenase (GPD) gene was examined by the PCR-RFLP method. Genetic distance was ascertained with respect to B. pinea var. cembrae strains from G. abietina isolated from the examinedpine species (average Nei coefficient 0.137). The smallest genetic distance occurred between the strain groups of G. abietina isolated from P. nigra and P. armandii (0.059) and P. nigra and P. sylvestris (0.061), whereas the highest occurred between the groups of strains deriving from P. armandii and P. sylvestris (0.096). The impact of geographic distance on genetic distance between groups of strains from individual regions has been shown. G. abietina strains originating from mountainous areas were more distanced genetically (on average 0.031) from populations from other regions (Nei genetic distance 0.023). The main factors influencing genetic differences of the pathogen were specificity with respect to the species of the host plant and climate conditions, whereas geographic distance had lesser significance.
Źródło:
Dendrobiology; 2009, 61; 13-21
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Współwystępowanie nicieni owadobójczych i szkodników drzew w zbiorowiskach leśnych w północnej Polsce
Co-occurrence of entomopathogenic nematodes and tree pests in forest communities of northern Poland
Autorzy:
Dzięgielewska, M.
Skwiercz, A.T.
Powiązania:
https://bibliotekanauki.pl/articles/985868.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
ochrona lasu
metody biologiczne
nicienie owadobojcze
Steinernematidae
Heterorhabidtidae
zywiciele potencjalni
owady
szkodniki roslin
wspolwystepowanie
steinernema
heterorhabditis
woodland
insect pests
host preference
Opis:
Repeating outbreaks of the Scots pine pests, effecting in stands damages, are the most important problems of forest protection. In extreme cases they pose a real threat to the stability of stands. Naturally occurring entomopathogenic nematodes are important regulatory factors in insect populations. Many species are employed as biological agents to control the insect pests. The objectives of this research was to describe the influence of potential forest pests on occurrence and abundance of entomopathogenic nematodes. Entomopathogenic nematodes (Steinernematidae and Heterorhabditidae) were studied in woodland soils in northern Poland. Soil samples were collected from 2010 to 2015 from coniferous forests with abundant suitable insect hosts: the beetle grubs of Melolontha melolontha L. living in the soil (Coleoptera: Scarabaeidae) and foliage feeders Diprionidae spp. (Hymenoptera) and the caterpillar of Dendrolimus pini L., Panolis flammea Den. et Schiff. and Bupalus piniarius L. butterflies. Nematodes occurred in all type of forest and 171 soil samples were taken from 40 localities. Each study plot was approximately 100 m2 and 20 cm deep; 50 individual samples were taken using Egner’s stick, making the bulk sample approximately 600 cm3 in volume. The presence of entomopathogenic nematodes in the soil samples were determined using a standard Galleria mellonella baiting technique. Entomopathogenic nematodes were isolated from 52 soil samples (30,4%). Three species of the genus Steinernema (Steinernema feltiae, S. affine, S. silvaticum) and anyone of the genus Heterorhabditis were recorded. S. feltiae was the most common species and distinguished by the largest ecological flexibility especially to hosts. The largest number of S. feltiae samples was isolated in the places of butterfly outbreak P. flammea and also in the places of mass occurrence of beetle grubs of M. melolontha. In the feeding places of beetle of Scarabaeidae a high share of S. affine was noted too. The more rarely noted was S. silvaticum especially in outbreak of Diprionidae spp. The most abundance of entomopathogenic nematodes community was 140 000 ind./m2 in sites with M. melolontha grubs.
Źródło:
Sylwan; 2018, 162, 12; 1007-1017
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
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