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1

Endangerment of fir stands by root infection diseases beyond fir natural occurrence reach

100%
Szewczyk W.
Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria
|
2007
|
tom 06
|
nr 1
2
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Effects of silvicultural techniques on the diversity of microorganisms in forest soil and their possible participation in biological control of Armillaria and Heterobasidion

84%
Kwasna H., Walkowiak L., Lakomy P., Behnke-Borowczyk J., Gornowicz R., Mikicinski A., Galazka S., Szewczyk W.
Journal of Plant Protection Research
|
2015
|
tom 55
|
nr 3
Effects of different pre-planting soil preparations and post-harvest wood debris applications in a clear-cut Scots pine plantation, on the abundance, diversity, and activity of culturable microorganisms were investigated. The investigation was done 9 years after the re-plantings had been done. This formed part of an investigation of silvicultural practices for conservation and the biological control of Armillaria and Heterobasidion in northern temperate forests (Poland). The treatments being compared, were expected to have altered the soil’s physical and chemical properties, and consequently, its biological properties. Only soft-rot microfungi from the Ascomycota and Zygomycota were detected in the soil. Fungi, including those antagonistic to Armillaria and Heterobasidion, were more abundant after shallow ploughing than after deep ploughing or ridging, and where chipped rather than coarse wood debris was left on the soil surface or incorporated. Scots pine trees had the most biomass and the least mortality after ridging and leaving coarse wood debris on the surface (associated with only a relatively moderate abundance of fungi).
3

Monitoring infectious root diseases in Scots pine stands [up to 20yrs] flooded in 1997

84%
Reszko K.
Phytopathologia Polonica
|
2003
|
tom 29
4

Infection threat of hornbeam [Carpinus betulus] transplants by pathogenic fungi

84%
Manka M., Tyszkiewicz Z., Reszko K., Szewczyk W.
Polish Botanical Journal
|
2002
|
tom 47
|
nr 2
5
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Wpływ sposobu przygotowania gleby na aktywność biologiczną gleby względem patogenów korzeni w 40-letnim drzewostanie sosnowym

67%
Kwasna H., Lakomy P., Gornowicz R., Borowczyk-Behnke J., Kuzminski R.
Sylwan
|
2015
|
tom 159
|
nr 02
Effects of pre−planting soil preparation on the clear−cut on the community structure of soil fungi and bacteria, their possible biological activity towards Armillaria and Heterobasidion, and mortality of Scots pine trees were studied in 40−year−old Scots pine plantation in Międzychód Forest District (W Poland). Pre−planting soil preparation included: (i) deep ploughing, (ii) shallow furrowing, (iii) making holes for planting, and (iv) shallow turning of the topsoil. The soil−dilution method was used for detection of fungi and bacteria in soil. Morphotyping was used for identification of fungi. Phenotypic traits and biochemical properties were used for identification of bacteria. Molecular method, MID−66 or BIOLOG® systems were additionally applied for identification of the most common bacteria. Deep furrowing, making holes for planting or shallow turning of the topsoil before planting increased abundance of fungi and bacteria in soil 40 years after treatment. Increased abundance of fungi and bacteria was associated with increased presence of taxa considered as antagonistic to Armillaria and Heterobasidion. The highest mortality of Scots pines was observed on sites with deep ploughing or shallow furrowing before planting, while the lowest mortality was found on sites with making holes for planting or shallow turning of the topsoil. The majority of dead trees were infected by H. annosum. Moderate intervention into the soil habitat on the clear−cut site before planting of Scots pine seedlings seems to create the habitat beneficial for the future growth of trees.
6
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Fungal communities in barren forest soil after amendment with different wood substrates and their possible effects on trees’, pathogens, insects and nematodes

67%
Malecka M., Kwasna H., Szewczyk W.
Journal of Plant Protection Research
|
2015
|
tom 55
|
nr 3
Scots pine sawdust, composted bark or coarse, post-harvest woody debris from conifers had been spread over the surface of barren forest soil before planting with Scots pine. The effects of the Scots pine sawdust, composted bark or coarse, post-harvest woody debris from conifers on the abundance and diversity of culturable fungi were investigated. The amendments were aimed at increasing the soil suppressiveness to Armillaria and Heterobasidion. The classical soil-dilution method was chosen for qualitative and quantitative analyses of fungal communities in soils because of its proven reliability and consistency. The soil was inhabited by saprotrophic fungi from Ascomycota and Zygomycota, including species known to be potential antagonists of Armillaria or H. annosum (i.e. Clonostachys + Trichoderma spp., Penicillium commune, P. daleae, P. janczewskii) or stimulants of Armillaria (i.e. Pseudogymnoascus roseus, Trichocladium opacum). Eleven years after treatment, the abundance and diversity of fungi, the abundance of P. commune, and locally the abundance of P. janczewskii increased, while Clonostachys + Trichoderma spp., and locally, P. daleae and T. opacum decreased. Amending the barren soil with organic matter does not guarantee effective, long-term suppressiveness of the sandy loam soil to Armillaria and Heterobasidion. Increased abundance of entomopathogenic and nematophagous species, 11 years after treatment, does suggest the long-term possibility of insect or nematode control in soil.
7
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Odporność świerka na hubę korzeni

67%
Chomicz E.
Leśne Prace Badawcze
|
2012
|
tom 73
|
nr 2
8
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Wpływ grzybów rozkładających korzenie drzew leśnych na uwalnianie CO2 - próba waloryzacji

67%
Sierota Z.
Sylwan
|
2012
|
tom 156
|
nr 02
9

Rozpoznawanie zagrozenia drzewostanow przez grzyby powodujace zgnilizne drewna

67%
Chomicz E.
Notatnik Naukowy Instytutu Badawczego Leśnictwa
|
2007
|
nr 3
1-4
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