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Wyszukujesz frazę "ectomycorrhiza" wg kryterium: Temat


Wyświetlanie 1-15 z 15
Tytuł:
Dokładność określania stopnia mikoryzacji sadzonek sosny zwyczajnej (Pinus sylvestris L.) ze szkółki otwartej na podstawie prób o różnej długości systemu korzeniowego
Autorzy:
Aleksandrowicz-Trzcinska, M.
Powiązania:
https://bibliotekanauki.pl/articles/972804.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
dlugosc systemu korzeniowego
sadzonki
sosna zwyczajna
lesnictwo
stopien mikoryzacji
Pinus sylvestris
drzewa lesne
ectomycorrhiza
mycorrhizal colonisation level
Opis:
One−year−old pine seedlings were raised in the open−terrain nurseries in Biłgoraj and Spała. Part of the seedlings were treated with fungicides, the untreated seedlings were used as a control. The level of myc−orrhization was determined on the basis of the number of autotrophic and mycorrhizal apices along the root system. Differences in the results were defined on the basis of the samples 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 and 0.9 of the root length. The greatest difference ±18.2% was found for one of the variants sprayed with fungicides in the nursery in Spała for the sample 0.1, and the smallest –0.1% – for the vari−ant with Gwarant and the sample 0.9 and +0.1% for the variant with Sadoplon and the sample 0.4 in the nursery in Biłgoraj.
Źródło:
Sylwan; 2003, 147, 07; 7-12
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model klasyfikacyjny prognozowania wystąpienia mikoryzy u jednorocznych siewek sosny zwyczajnej (Pinus sylvestris L.) na zrębie zupełnym
Classification model for the prediction of mycorrhiza development of one-year-old Scots pine (Pinus sylvestris L.) seedlings on clear-cut
Autorzy:
Aleksandrowicz-Trzcińska, M.
Drozdowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/994751.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
zrab zupelny
odnowienia lasu
odnowienia naturalne
sosna zwyczajna
Pinus sylvestris
mikrosiedliska
siewki jednoroczne
cechy biometryczne
mikoryza
wystepowanie
modele predykcyjne
analiza logistyczna
logistic regression
natural regeneration
microhabitat
ectomycorrhiza
biometric parameters
Opis:
The aim of this study was to build the models describing the relationships between mycorrhiza development in one−year−old Scots pine seedlings and site preparation method, place of growth of seedlings on the clear−cut area and their biometric parameters. A logistic regression was used to study.
Źródło:
Sylwan; 2012, 156, 12; 883-894
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stan mikoryz i wzrost naturalnych odnowień sosny zwyczajnej chronionych chemicznie przed osutką
Mycorrhizae and growth of Scots pine natural regeneration chemically treated against Lophodermium needle cast
Autorzy:
Aleksandrowicz-Trzcińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1011820.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
fungicydy
osutka sosny
Falcon 460 EC
lesnictwo
Gwarant 500 SC
Pinus sylvestris
drzewostany sosnowe
choroby roslin
wzrost roslin
mikoryza
ochrona lasu
srodki ochrony roslin
ektomikoryza
sosna zwyczajna
odnowienia naturalne
ectomycorrhiza
fungicides
natural regeneration
lophodermium needle cast
scots pine
Opis:
The effect of two fungicides Falcon 460 EC and Gwarant 500 SC used at recommended rates and concentrations to protect seedlings in the natural regeneration of Scots pine against Lophodermium needle cast was investigated. Also, the effect of the fungicides on the status of mycorrhizae and growth of seedlings was assessed. Single or twofold application of Falcon or Gwarant to pine seedlings during the growing season may appear insufficient to provide complete protection against Lophodermium needle cast, especially when the threat of infection is higher. Falcon was found to be more effective in protecting pine seedlings against Lophodermium needle cast in comparison with Gwarant. None of the tested fungicides had a limiting effect on the formation of mycorrhizae and growth of seedlings. Both fungicides had a slight limiting effect on the formation of complex dichotomous and coralloid structures only in one−year−old pines.
Źródło:
Sylwan; 2009, 153, 03; 171-181
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ fungicydów stosowanych w ochronie odnowień naturalnych sosny przed osutką na stan mikoryz i wzrost siewek
The effect of fungicides used in the protection of natural generations of pine against Lophodermium needle cast on mycorrhizae and seedling growth
Autorzy:
Aleksandrowicz-Trzcińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1015752.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
oddzialywanie na rosliny
fungicydy
wzrost roslin
odnowienia lasu
mikoryza
Falkon 460 EC
ochrona lasu
sosna zwyczajna
lesnictwo
odnowienia naturalne
Gwarant 500 SC
Pinus sylvestris
natural regeneration
ectomycorrhiza
fungicides
pinus sylvestris
Opis:
The effect of two fungicides Falcon 460 EC and Gwarant 500 SC on the state of mycorrhizae and growth of 2−year−old pine seedlings in natural regenerations was investigated. Any of the tested fungicides did not cause changes in the level of mycorrhizal colonisation and seedling growth. Both fungicides had a limiting effect on the formation of one of mycorrhizal morphotypes and development of complex forms produced by this morphotype.
Źródło:
Sylwan; 2007, 151, 08; 27-34
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ mykoryzacji i chitozanu na wzrost sosny zwyczajnej (Pinus sylvestris L.) w szkółce i na uprawie
Effect of mycorrhization and chitosan on the growth of Scots pine (Pinus sylvestris L.) in nursery and plantation
Autorzy:
Aleksandrowicz-Trzcińska, M.
Hamera-Dzierżanowska, A.
Żybura, H.
Drozdowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/994290.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
szkolkarstwo lesne
produkcja szkolkarska
Biochikol 020 PC
mikoryzowanie sadzonek
grzyby mikoryzowe
Hebeloma crustuliniforme
material szkolkarski
sadzonki
sosna zwyczajna
Pinus sylvestris
wzrost roslin
szkolki lesne
uprawy lesne
biochikol 020 pc
chitosan
ectomycorrhiza
hebeloma crustuliniforme
pinus sylvestris
Opis:
The study evaluated the effect of inoculation with Hebeloma crustuliniforme and application of Biochikol 020 PC to the soil in three doses (single, double and triple) on the growth of Scots pine in the nursery and plantation. Both treatments stimulated the growth of seedlings. The effect of Biochikol was found only in the nursery irrespective of the used doses of the preparation. The effect of mycorrhization on pine growth was stronger compared to the application of Biochikol both in the nursery and plantation.
Źródło:
Sylwan; 2013, 157, 12; 899-908
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bakterie towarzyszące mikoryzom i ich rola w funkcjonowaniu symbiozy
Bacteria associated with mycorrhizae and their role in the functioning of symbiosis
Autorzy:
Dahm, H.
Powiązania:
https://bibliotekanauki.pl/articles/1011991.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
bakterie towarzyszace
grzyby mikoryzowe
bakterie wspomagajace mikoryzy
mikoryza
ektomikoryza
lesnictwo
mikrobiologia
ectomycorrhiza
mycorrrhization helper bacteria
Opis:
This paper presents influence of rhizosphere bacteria on the physiological relations between roots of trees and mycorrhizal fungi, considering mainly positive role of bacteria (mycorrhization helper bacteria).
Źródło:
Sylwan; 2009, 153, 02; 134-139
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nowe możliwości i potrzeby w zakresie kontrolowanej mikoryzacji drzew i krzewów
The new opportunities and needs related to controlled tree and shrub mycorrhization
Autorzy:
Grzywacz, A.
Powiązania:
https://bibliotekanauki.pl/articles/1011654.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
szkolkarstwo lesne
badania naukowe
endomikoryza
mikoryzowanie sadzonek
zastosowanie
sadzonki
ektomikoryza
lesnictwo
krzewy
drzewa lesne
controlled mycorrhization
tree seedling
ectomycorrhiza
endomycorrhiza
state forests national forest
holding
Opis:
Basing on recent findings and experiments of the State Forests National Forest Holding with controlled seedling mycorrhization, the new research and practical needs have been presented. They should serve the broadening of the spectrum of fungal species to be applied in controlled mycorrhization of trees and embracing a broader species and age range of trees and shrubs subject to mycorrhization treatments in the future.
Źródło:
Sylwan; 2009, 153, 01; 8-15
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ inokulum mikoryzowego grzyba Thelephora terrestris na wzrost sadzonek sosny zwyczajnej Pinus sylvestris L. II. Badania polowe
The role of Thelephora terrestris fungus in mycorrhization on Scots pine [Pinus sylvestris L.] seedlings
Autorzy:
Hilszczańska, D.
Sierota, Z.
Powiązania:
https://bibliotekanauki.pl/articles/1019366.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
grzyby mikoryzowe
Thelephora terrestris
badania polowe
lesnictwo
inokulacja
Pinus sylvestris
zalesianie
tereny porolne
sadzonki
sadzonki mikoryzowane
sosna zwyczajna
ektomikoryza
drzewa lesne
pinus sylvestris
thelephorra terrestris
ectomycorrhiza
soil recultivation
Opis:
Scots pine (Pinus sylvestris L.) seedlings which were inoculated with ectomycorrhizal fungus – Thelephora terrestris and grown in different regimes of N fertilization [Hilszczanska, Sierota 2006], next year were planted out on post−agricultural land. The development of fine roots after 6 months of vegetation, number of mycorrhizas, identity of some mycorrhizas and growth parameters of Scots pine seedlings were studied. Mycorrhizal abundance was higher in the inoculated previously variants than in non−inoculated ones. PCR RFLP analysis confirmed share of two different isolates of Thelephora engaged in mycorrhizal symbiosis. Growth parameters was higher in non−inoculated seedlings. Vitality of seedlings was lower at lower level of N fertilization in non−inoculated treatment.
Źródło:
Sylwan; 2006, 150, 02; 20-28
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physiological activity of ectomycorrhizas in a moderately polluted forest (Ratanica catchment, Southern Poland)
Aktywność fizjologiczna ektomikoryz w średnio zanieczyszczonym lesie (zlewnia potoku Ratanica, południowa Polska)
Autorzy:
Kieliszewska-Rokicka, B.
Kurczynska, E.U.
Leski, T.
Powiązania:
https://bibliotekanauki.pl/articles/41475.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Scotch pine
Polska
Fagus sylvatica
beech
ectomycorrhiza
polluted forest
fluorescein diacetate
physiological activity
root
acid phosphatase
soil
Pinus sylvestris
anatomy
Ratanica catchment
forest
Opis:
Ectomycorrhizas of Scots pine (Pinus sylvestris L.) and beech (Fagus sylvatica L.) were sampled in a mature forest ecosystem exposed for more than 40 years to moderate levels of gaseous and dust pollutants. Soil of the forest site was characterised by low pH and accumulation of heavy metals (Pb, Mn, Zn, Cu, Cd, Fe). Mycorrhizal vitality and enzyme activity of the root-surface and soil acid phosphatase (AcPase) were studied at 17 measurement points (0–5 cm soil depth) in relation to the content of inorganic phosphate (Pi) and aluminium ions (Al3+) in the soil. Anatomy of Scots pine and beech mycorrhizas taken from different measurement points was observed. The concentration of essential nutrients (C, N, P, Ca, Mg) and the ratios Ca/Al, Mg/Al and N/P were analysed in fine roots. High concentrations of Al3+ in the soil (40–118 meq kg-1) and low levels of Pi (12–44 mg P2O5 kg-1) were accompanied by high activity of the root-surface AcPase of pine and beech mycorrhizas (25–67 and 33–86 μmol pNP g-1 fresh weight h-1, respectively) and soil AcPase (6.8–22.4 μmol pNP g-1 dry weight h-1). The results indicate that fine tree roots are undoubtedly under stress as evidenced by a disturbance in P uptake and accumulation. However, the high vitality of mycorrhizas and the high Ca/Al ratio in fine roots suggest that the defence mechanisms of mycorrhizas and the rhizosphere are still able to ameliorate the influence of anthropogenic pollution.
Badania ektomikoryz sosny (Pinus sylvestris L.) i buka( Fagus sylvatica L.) prowadzono na Pogórzu Karpackim w dorosłym drzewostanie, który przez ponad 40 lat znajdował się pod wpływem gazowych i pyłowych zanieczyszczeń powietrza o średnich stężeniach. Gleby badanego ekosystemu leśnego cechowało niskie pH oraz znaczna akumulacja metali ciężkich (Pb, Mn, Zn, Cu, Cd, Fe). Badano zależność między stężeniem nieorganicznego fosforanu w glebie, a aktywnością enzymatyczną kwaśnej fosfatazy mikoryz i gleby. Analizowano także stężenia pierwiastków odżywczych (C, N, P, Ca, Mg) oraz jonów glinu (Al3+) w korzeniach drobnych. Mikoryzy sosny i buka były analizowane pod względem budowy anatomicznej oraz żywotności. Stwierdzono stosunkowo wysokie stężenie jonów Al3+ w glebie (40–118 meq kg-1) i niski poziom nieorganicznego fosforanu (Pi) (12–44 mg P2O5 kg-1). Jednocześnie zarejestrowano wysoką aktywność powierzchniowej kwaśnej fosfatazy mikoryz sosny i buka(odpowiednio, 25–67 i 33–86 μmoli pNP g-1 świeżej masy h-1) oraz kwaśnej fosfatazy gleby (6,8–22,4 μmoli pNP g-1 suchej masy h-1). Stężeniafosforu w korzeniach drobnych (poniżej stężeń uważanych za optymalne) oraz wysoki stosunek N/P pokazują, że pobieranie i akumulację fosforu przez systemy korzeni drobnych sosny i bukajest niedostateczne, mimo wysokiej aktywności kwaśnej fosfatazy. Budowa anatomiczna mikoryz, stosunkowo duży udział żywych mikoryz w systemie korzeni drobnych oraz wysoki stosunek Ca/Al w korzeniach sosny i buka(odpowiednio, 1,79 i 2,38) sugerują, że mechanizmy obronne mikoryz i mikroorganizmów ryzosfery mają zdolność łagodzenia wpływu zanieczyszczeń antropogenicznych.
Źródło:
Dendrobiology; 2000, 45
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ektomikoryzy i ich znaczenie dla roślin rosnących na terenach zdegradowanych przez przemysł
Ectomycorrhizae and their importance for plants colonizing areas degraded by industry
Autorzy:
Krupa, P.
Powiązania:
https://bibliotekanauki.pl/articles/1011833.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
grzyby mikoryzowe
zanieczyszczenia przemyslowe
tereny przemyslowe
metale ciezkie
mikoryza
zanieczyszczenia gleb
funkcje ochronne
sosna zwyczajna
lesnictwo
drzewa
Pinus sylvestris
ectomycorrhiza
mycorrhizal fungi
heavy metals
Opis:
The important role of mycorrhizae for plants, particularly those introduced to hardly−regenerating post−agricultural areas, post−industrial areas or degraded soils, promotes use of artificial mycorrhizal inocula. Their effectiveness depends, to a large extent, on the species or rather strain of a fungus. Analysing the resistance of strains isolated from contaminated and uncontaminated areas attempts were made in the paper towards solving the question about the role of the origin of mycorrhizal fungi used for mycorrhization. Also attempts were made to verify the hypothesis that symbiotic fungi growing in degraded areas are selected and adapted to unfavourable environmental conditions. It was shown that the resistance of fungi, even of the same species, to high concentrations of heavy metals, differ depending on the symbiont's origin. Fungi isolated from contaminated areas are better adapted to high concentrations of xenobiotics.
Źródło:
Sylwan; 2009, 153, 03; 189-196
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ ściółki sosnowej i dębowej na wzrost sadzonek sosny i zbiorowiska grzybów mikoryzowych w warunkach szkółki leśnej
Influence of pine and oak litter on growth and mycorrhizal community structure of Scots pine seedlings in bare-root nursery condition
Autorzy:
Leski, T.
Rudawska, M.
Aucina, A.
Skridaila, A.
Riepsas, E.
Pietras, M.
Powiązania:
https://bibliotekanauki.pl/articles/1009673.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
sciolka sosnowa
grzyby mikoryzowe
gleby
wzrost roslin
sadzonki
szkolki lesne
sosna zwyczajna
lesnictwo
sciolkowanie gleby
sciolka debowa
Pinus sylvestris
drzewa lesne
forest litter
scots pine seedlings
ectendomycorrhiza
ectomycorrhiza
bare−roots nursery
Opis:
The effects of pine and oak forest litter on mycorrhizal status of 2−year−old Pinus sylvestris L. seedlings grown in a bare−root nursery was investigated. The research was carried out in the nursery of Vilnius University Botanical Garden in Lithuania. Ectomycorrhizal communities were assessed by a combination of morphological and molecular techniques. Statistical analysis revealed significant effect of litter treatment on some growth parameters of seedlings: seedling height, needle dry weight and total seedling weight. The survival rate of seedlings was significantly highest for oak litter, intermediate for pine litter, and lowest for control soil. Pine seedlings were colonized by indigenous ecto− and ectendomycorrhizal symbionts. Seven mycorrhizal species (Suillus luteus, S. variegatus, Wilcoxina mikolae, Tuber sp., Tomentella sp., Cenococcum geophilum, Amphinema byssoides) were distinguished on the roots of pine seedlings as well as one ectomycorrhizal symbiont not identified to species level. In total, 6 mycorrhizal types were found in control soil, 5 in pine litter, and 8 in oak litter. Suilloid (S. luteus and S. variegatus) and Wilcoxina mycorrhizae were dominant on tested seedlings, irrespective of litter addition. Seedlings grown in untreated nursery soil were 34% colonized by W. mikolae, while suilloid mycorrhizae were dominant after litter treatment (81% in pine litter and 63% in oak litter). We may conclude that suilloid mycorrhizae are better adapted to the conditions related to litter addition than W. mikolae.
Źródło:
Sylwan; 2009, 153, 10; 675-683
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zbiorowiska grzybów ektomykoryzowych modrzewia europejskiego na powierzchni proweniencyjnej w LZD Krynica w Beskidzie Sądeckim
Ectomycorrhizal fungal communities of European larch from the provenance trial in the Experimental Forestry Unit in Krynica Zdroj (Beskid Sadecki Mountains)
Autorzy:
Leski, T.
Rudawska, M.
Powiązania:
https://bibliotekanauki.pl/articles/991059.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
LZD Krynica
Beskid Sadecki
doswiadczenia proweniencyjne
powierzchnie doswiadczalne
drzewa lesne
modrzew europejski
Larix decidua
grzyby ektomikoryzowe
morfotypy
identyfikacja
symbiosis
ectomycorrhiza
tree genotype
larix decidua
its rdna
Opis:
The effects of tree genotype on below−ground ectomycorrhizal fungal communities of 40 years old European larch from Kowary, Bliżyn, Świętokrzyski National Park and Szczytna Śląska origins was investigated. The research was carried out in the provenance trial in the Experimental Forestry Unit in Krynica Zdrój (Beskid Sądecki Mountains, S Poland). Ectomycorrhizal fungal communities were assessed by a combination of morphological and molecular techniques. In total 22 fungal taxa has been distinguished (from 17 to 20, depending on larch provenance). Thirteen ectomycorrhizal fungal taxa were common to all analysed origins. The mean taxa richness, Shannon diversity and Simpson dominance coefficient did not differ significantly between provenances. Based on fungal taxa composition (Jaccard coefficient) tested larch origins were characterized by a high level of similarity of ectomycorrhizal fungal communities. Six detected fungal taxa have not been previously reported as symbiotic partners of European larch.
Źródło:
Sylwan; 2014, 158, 05; 352-360
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fine roots of Picea abies compensate for drought stress in the rainfall reduction experiment
Autorzy:
Lorenc, F.
Pešková, V.
Modlinger, R.
Mrnka, L.
Tomášková, I.
Šenfeld, P.
Turčáni, M.
Powiązania:
https://bibliotekanauki.pl/articles/2077946.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
climate change
community
ectomycorrhiza
Norway spruce
WinRhizo
Opis:
This study evaluates the influence of repeated artificial drought stress on the fine root charac- teristics – including ectomycorrhizae – of Norway spruce [Picea abies (L.) Karst]. The experimental site consisted of two plots in a mature spruce monoculture stand. The water regime at parts of both plots was regulated by shelters and an isolation trench during vegetation season (spring to autumn) since 2010. Root samples were collected during autumn in 2010, 2012, and 2013. Root analyses revealed the effect of drought stress on mycorrhizal root tips changed over time. While a density of active mycorrhizae was about 34% lower in drought-stressed areas compared to nonstressed (control) areas in 2010, it increased by 15% in 2012 and by 22% in 2013 over both plots. We observed the less pronounced effect of drought on a proportion of active mycorrhizae, but it generally followed the pattern of active mycorrhizae density. The density of nonactive mycorrhizae was not influenced by drought but significantly fluctuated during the course of the experiment. Other root characteristics such as the dry mass of fine roots (< 1 mm), the specific length of fine roots (< 1 mm) and the composition of the ectomycorrhizal community (primarily dominated by Amphinema byssoides, Tylospora fibrillosa, Tylopilus felleus, and Cenococcum geophilum) were also not significantly influenced by drought. Our results indicate the ability of Norway spruce fine roots to com- pensate for repeated drought stress of the intermediate intensity.
Źródło:
Dendrobiology; 2018, 80; 91-100
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamika zbiorowiska grzybów mykoryzowych dębu szypułkowego w warunkach szkółki leśnej
Temporal dynamics of ectomycorrhizal community of pedunculate oak seedlings during the first year of growth in bare-root forest nursery
Autorzy:
Pietras, M.
Leski, T.
Rudawska, M.
Powiązania:
https://bibliotekanauki.pl/articles/989739.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
szkolki lesne
drzewa lesne
dab szypulkowy
Quercus robur
mikoryza
ektomikoryza
grzyby mikoryzowe
grzyby ektomikoryzowe
zbiorowiska grzybow
dynamika zbiorowisk
ectomycorrhiza
quercus robur
forest nursery
its rdna
Opis:
Pedunculate oak (Quercus robur L.) is among the major managed tree species in Europe. In Poland, oak woodlands cover 6.9% of forest area. Furthermore, the significance of native oaks for Polish forestry is rising because the Polish National Forest Strategy predicts a growth of forest cover from 28.5% to 33% by year 2050 with the primary focus on the increase in contribution of deciduous tree species (from 22% to 33%). Therefore, for establishment of new stands, oak seedlings are grown for 2−3 years in forest nurseries. For optimal growth and development all European oak species are critically dependent on ectomycorrhizal fungi. The objective of this study was to describe the temporal dynamics of ectomycorrhizal community of pedunculate oak seedlings during the first year of growth in bare−root forest nursery. Experiment was conducted in forest nursery Miranowo (western Poland). The species structure of an ectomycorrhizal community was assessed every 10 or 15 days from May till October. Mycorrhizal colonization of tested seedlings changed from 0 to 85% depending of the time of sampling. Based on combination of morphological and molecular techniques, nine ectomycorrhizal fungal taxa were distinguished. The first ectomycorrhizas formed by Scleroderma verrucosum were detected 50 days after acorns sowing. In the next sampling days ectomycorrhizal community was dominated consecutively by Inocybe curvipes and Hebeloma sacchariolens (with maximum of abundance 60.98 and 75.55%, respectively). The obtained results were strongly influenced by the infection with the fungal biotroph Erysiphe alphitoides and resulted in a dramatic reduction in the abundance of living ectomycorrhizas down to 7.5%. Our investigation revealed that ectomycorrhizal fungal community of pedunculate oak seedlings during the first year of growth in bare−root forest nursery is rich in terms of number of species and a temporal changes are very dynamic. Thus we suggest, that in case of pedunculate oak artificial inoculation in general is not necessary for oaks seedlings in nursery practice.
Źródło:
Sylwan; 2015, 159, 10; 831-838
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Halotolerant fungi stimulate growth and mitigate salt stress in Alnus glutinosa Gaertn.
Autorzy:
Thiem, D.
Tyburski, J.
Golebiewski, M.
Hrynkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/2077648.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
black alder
ectomycorrhiza
saprophytic fungi
inoculation
proline
Opis:
Soil salinity is an important abiotic stress factor that reduces both plant growth and development and decreases diversity and metabolic potential of microorganisms, particularly fungi. However, some fun- gal isolates, including mycorrhizal fungi, can increase tolerance of plants to salinity, e.g. by activation of de- fense mechanisms. Main aim of our study was: (i) to identify and characterize fungal strains isolated from fruitbodies growing at saline test sites and (ii) to determine the effect of fungal inoculation on the growth and salinity tolerance of Alnus glutinosa Gaertn. seedlings. Two ectomycorrhizal strains (Amanita muscaria OW-10 and Paxillus involutus OW-5) and a saprotrophic one (Gymnopus sp. OW-6) were isolated from fruit- bodies collected at naturally saline test sites. The plant growth promotion was observed after inoculation of plants with the ectomycorrhizal fungus – P. involutus OW-5, while the use of Gymnopus sp. OW-6, displaying the highest hydrolytic activity, decreased seedling growth parameters. Moreover, P. involutus OW-5 (char- acterized by characterized by medium salt tolerance salt tolerance) promoted growth of black alder in the presence of salt, while A. muscaria OW-10 (with the highest salt tolerance) increased fresh and dry mass of seedlings only in the absence of salt. Black alder seedlings inoculated with P. involutus OW-5 revealed higher synthesis of proline in aboveground organs compared to the control plants which suggested that accumulation of this compound can be a mechanism protecting black alder seedlings against salt stress. In conclusion, we recommend the use of P. involutus OW-5, which displayed the best plant growth promoting ability and salt tolerance, for inoculation of black alder trees used in reclamation of saline habitats
Źródło:
Dendrobiology; 2020, 83; 30-42
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
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