Abstract
In the year 2003, the occurrence of arbuscular mycorrhizal fungi (AMF) of the phylum <i>Glomeromycota</i> in cultivated and uncultivated soils of the Lubuskie province was investigated. The occurrence of AMF was examined based on 56 root and rhizosphere soils collected under 7 species of cultivated and uncultivated plants growing in 28 localities. Spores of AMF were isolated from both field-collected samples and trap cultures. They were revealed in 100% of field soils and 93.8% of trap cultures and represented 7 of the 8 recognized genera of the <i>Glomeromycota</i>. The arbuscular fungi occurring distinctly more frequently in the soil and root samples examined were members of the genus <i>Glomus</i>. The species of AMF most frequently occurring in cultivated soils of the Lubuskie province were <i>G. claroideum</i>, <i>G. constrictum</i>, <i>G. deserticola</i> and <i>G. mosseae</i>, whereas <i>G. claroideum</i>, <i>G. constrictum</i>, <i>G. deserticola</i>, <i>G. mosseae</i>, and <i>S. dipurpurescens</i> were more frequently found in uncultivated sites. The analysis of similarity of the species composition of AMF populations in sites of the Lubuskie province and the Western Pomeranian province earlier examined showed that (1) the occurrence in Poland of most taxa of these fungi detected in the study presented here is even and does not change with time, (2) the communities of AMF area are stable, despite the arduousness resulting from the agricultural and chemical practices conducted, and (3) the species diversity of the plants cultivated in a long period of time has no influence on the species composition of populations of AMF.
Highlights
The occurrence of arbuscular mycorrhizal fungi (AMF) was examined based on 56 root and rhizosphere soils collected under 7 species of cultivated and uncultivated plants growing in 28 localities
Spores of AMF were isolated from both field-collected samples and trap cultures
They were revealed in 100% of field soils and 93.8% of trap cultures and represented 7 of the 8 recognized genera of the Glomeromycota
Summary
Summary In the year 2003, the occurrence of arbuscular mycorrhizal fungi (AMF) of the phylum Glomeromycota in cultivated and uncultivated soils of the Lubuskie province was investigated. Najbardziej rozpowszechnionymi grzybami glebowymi o kluczowym znaczeniu dla roślin są arbuskularne grzyby mikoryzowe (AGM; Gerdemann , 1968) z gromady Glomeromycota (Schüßleri in., 2001). Ponadto w stanowiskach wykorzystywanych rolniczo efektywność mikoryz arbuskularnych zależy od stopnia przystosowania się gatunków AGM do sposobu uprawy gleby i roślin oraz substancji chemicznych zastosowanych w czasie wegetacji roślin i po ich zbiorze (Błaszkowski , 1991; Jansai in., 2002), jak również od gatunku, a nawet odmiany uprawianej rośliny (AzconiOcampo , 1981). Biorąc pod uwagę wszechstronne oddziaływanie AGM na rośliny przedstawione wyżej, podstawowym warunkiem ich efektywnego wykorzystania w produkcji roślinnej i ochronie roślin jest wyselekcjonowanie gatunków tych grzybów najlepiej przystosowanych do warunków przebywania ich roślin gospodarzy. Celem niniejszej pracy było określenie występowania AGM związanych z korzeniami roślin uprawnych i nieuprawnych województwa lubuskiego
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