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Research Article Open access CC BY 4.0

Follow-up of a Composite Endomycorrhizal Inoculum in the Rhizosphere of Olive Plants, Analysis after 42 Months of Culture

Fairouz Semane, Mohamed Chliyeh, Warda Kachkouch, Jihane Touati, Karima Selmaoui, Amina Ouazzani Touhami, Abdelkarim FILALI-MALTOUF, Cherkaoui El Modafar, Abdelmajid Moukhli, Rachid Benkirane, Allal Douira

Annual Research & Review in Biology · pp. 1–18 · Published 11 Jan 2018

10.9734/ARRB/2018/38604

Abstract

Endomycorrhizal inoculum, consisting of more than 26 mycorrhizal species, has been followed over time at the rhizosphere of olive trees. The evolution during time of this endomycorrhizal inoculum at the rhizosphere of plants has been discussed in this study. After 42 months, 45 species were isolated from the rhizosphere of inoculated olive plants. These species belong to 6 genera (Glomus, Acaulospora, Gigaspora; Scutellospora; Pacispora and Entrophospora), from these genera, Glomus was the most dominant (40%) followed by the Acaulospora (30%). Glomus constrictum and G. intraradices were the most abundant species, their frequency are respectively 17% and 15%. In comparison between detected species, those of primary inoculum and those recovered after 30 months, 36 endomycorrhizal species appeared and 14 species disappeared, but four species G. clarum, G. intraradices, G. mossea and G. versiforme have been able to maintain their status and stability of multiplication in the rhizosphere of olive plants.

Endomycorrhizal species olive tree (Olea europaea L.) inoculums evolution rhizosphere 42 months of culture.

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