Mycorrhizal Structures in the Native Grasses from Cluj-Napoca Parks

Abstract

Urban parks are ecosystems with a dynamic directed by human intervention. Arbuscular mycorrhizal fungi are symbionts with higher plants, with role in increasing the amount of nutrients needed to plant development. In roots, the fungi develops various structures for transfer or storage of nutrients. The grasses developed in the parks of the Cluj-Napoca city present typical mycorrhizal structures, including the two morphotypes of arbuscules. The colonization rate identified in the analyzed samples is over 75%, indicating a high number of propagules in soil. The dependence of arbuscles is higher to intensity than colonization frequency.

Highlighting the Structures and Patterns of Fungal Colonization in the Species Festuca rubra

“…The hyphae of mycorrhizal fungi play complex roles: they uptake water (Kuyper et al, 2021) and nutrients (Li et al, 2021, Mhlanga et al, 2022, support and improve the structure of the soil (Bearden andPetersen, 2000, Rilling andMummey, 2006), interconnect different plant species (Gilbert and Johnson, 2017). Hyphae form a mycelium typical of fungi, the mycelium is extraradicular and intraradicular (Stoian et al, 2018). The extraradicular one has the role of providing nutrients and water to the plant (Trouvelot et al, 2015), provide new entry points (Marschner, 2012) and new spores (Stoian and Florian, 2010).…”