Title: Mycorrhizal status of Eryngium maritimum in the mobile dunes of Mehdia (Northwest of Morocco)
Abstract: The objective of this work was to study the mycorrh izal status of Eryngium maritimum in the mobile dunes of Mehdia coastal area depending on the depth level reached by the roots. The obtained results showed that all the roots were mycorrhizal, different fungal structures were observed (arbuscules, vesicles, hyphae, spores and endophyti c). However, the identified mycorrhizal parameters varied from the surface to the depth rea ched by the roots. The mycorrhizal frequency reached 88% by the depth. The highest mycorrhizal i ntensity (26.4%) was recorded at a depth of 53.05 to 73.05 cm. The highest arbuscular contents (22.72%) and vesicular content (11.80%) were recorded respectively at depths of 53.05 to 73.05 c m and 33.05 to 53.05 cm. The spores density in the rhizosphere of E. maritimum varied between 10 t o 20 spores / 100 g of soil. Similarly, 19 spore’s morphotypes were isolated from five different gener a: Gigaspora, Acaulospora, Entrophospora, Scutellospora and Glomus. Among these morphotypes, ten species of endomycorrh izal fungi were determined: Glomus badium, Glomus aggregatum, Glomus multiforum, Gigaspora sp. , Glomus invermaium , Glomus geosporum, Glomus glomerulatum, Glomus albidum, Glomus enticatum , Scutellospora verrucosa, Scutellospora calospora, Scutellospora heterogama, Acaulospora co laussica, Entrophospora infrequens. Mycorrhization of E.maritimum roots in depth, with development of exchange structures (arbuscular) probably facilitated the installation of this species, which grows well in the mobile
Publication Year: 2016
Publication Date: 2016-02-29
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 3
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