Abstract
This preliminary study examined the arbuscular mycorrhizal (AM) status of native plant species in the Molinia meadows of Folusz in the Kujawy region, Poland. Root samples from ten plant species characteristic of Molinia meadows ( Betonica officinalis , Dianthus superbus , Galium boreale , Inula salicina , Ostericum palustre , Sanguisorba officinalis , Selinum carvifolia , Serratula tinctoria , Silaum silaus , and Succisa pratensis ) were collected in August 2014. Root colonization by AM fungi was considered an indicator of symbiosis development. AM was found in all plant species examined. The frequency of mycorrhizal structures ranged between 68% and 99%. The intensity of mycorrhizal colonization in roots varied with the plant species, ranging between 3.9% ( O. palustre ) and 40.1% ( B. officinalis ). To our knowledge, this is the first study to examine the mycorrhizal status of three species: D. superbus , O. palustre , S. carvifolia . Because AM colonization depends on plant genotype and environmental factors, further studies should examine seasonal variability in plant root colonization and the compositions of AM fungal communities, which may serve as indicators of site conditions
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