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Type of publication: master thesis
Field of Science: Miškotyra / Forestry (A004)
Author(s): Kulešo, Anton
Title: Mikorizės morfotipai paprastosios pušies želdiniuose
Other Title: The mycorrhizal morphotypes of Scots pine seedlings in response to different site
Extent: 52 p.
Date: 14-Jan-2009
Keywords: paprastosios pušies sodmenys;daigyno substratai;atskiros želdavietės;mikorizės morfotipai;molekuliniai metodai .;Scots pine seedlings;nursery substrata;different site;mycorrhizal morphotypes;molecular methods .
Abstract: Mokslinį tiriamąjį darbą “Mikorizės morfotipai paprastosios pušies želdiniuose” sudaro 52 puslapiai, iš jų 10 lentelių, 26 paveikslų, literatūros sąraše 72 šaltiniai. Išanalizuotas paprastosios pušies Labanoro provenencijos sodmenų vystymosi ir adaptyvumo ypatumai lauko daigyne ir želdiniuose. Įvertinta atskirų daigyno substratų (pušyno, ąžuolyno pakločių) įtaka sėjinukų (2+0) vystymuisi, adaptyvumui ir mikorizės išplitimui. Nustatyti minėtos provenencijos sodinukų (2+1) reakcijos į naujas augimo sąlygas atskirose želdavietėse (poligone, miško kirtavietėje, žemės ūkio naudmenose) ypatumai. Pateikti mikorizės kiekybinės ir kokybinės sudėties skirtumai atskiruose daigyno substratuose ir tirtose želdavietėse. Palygintos tradiciniu (morfotipavimo) ir molekuliniais (PCR-RFLP, sekvenavimas) metodais nustatytos mikorizės grybų rūšys.
The study from the research “The mycorrhizal morphotypes of Scots pine seedlings in response to different site” amounts to 52 pages, 10 tables, 26 figures and 72 refrences. The peculiarities of development and adaptivity of Scots pine seedlings from Labanoras provenance in bare-roots nursery and different site were analyzed. We hypothesized that soil with forest litter amendment would affect ectomycorrhizal community structure and growth and productivity characteristics of Scots pine seedlings in bare-roots nursery and in response to different site. In our experimental system, a layer of pine or oak litter was placed on the surface of the nursery bed soil in order to mimic natural litter cover. The influence of different nursery substrata (oak and pine litter) on development, adaptivity and mycorrhizal spread of seedlings (2+0) has been assessed. The peculiarities of seedlings (2+1) of mentioned provenance in response to new growth conditions in different site were found. The differences of qualitative and quantitative composition in nursery substrata and different site were investigated. Mycorrhizal fungi species were assessed by morphotyping and molecular methods (PCR-RFLP, sequence) identification. We have preliminary evidenced that changes to the supply of organic matter through litter manipulation may have wide-reaching effects on soil physical properties and soil chemistry and thus influence growth and survival Scots pine seedlings and their mycorrhizal communities. This may have practical implications for the successful afforestation of marginally economic agricultural lands.
Affiliation(s): Žemės ūkio akademija
Vytauto Didžiojo universitetas
Appears in Collections:VDU, ASU ir LEU iki / until 2018

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