Spatiotemporal variation of endomycorrhizae among two populations of Pistacia terebinthus L. (Anacardiaceae) in North Africa

Zahra Robã Bouabdelli, Abdelghafour Doghbage, Safia Belhadj, Hafidh Zemour, Fathi Abdellatif Belhouadjeb, DOI: 10.46793/BiolNyss.16.2.12B

Abstract


Arbuscular mycorrhizal fungi (AMF) play a crucial role in natural ecosystems by enhancing nutrient cycling, influencing plant competition, and mediating species interactions. Through symbiotic associations with various plant species, AMF significantly improve nutrient uptake efficiency, thereby supporting optimal plant growth and development. This study allowed the characterization, of the mycorrhizal status of Pistacia terebinthus in Algeria, where we chose two forests located in Djelfa to carry out the sampling Senelba and Guetia. We used Phillips and Hayman (1970) technic for the coloration of roots and the Trouvelot et al. (1986) method for the estimation of mycorrhization rate. Seasonal and soil characteristics influence the colonization of Pistacia terebinthus roots by arbuscular mycorrhizal fungi (AMF). The study revealed that colonization parameters exhibited notable values: colonization frequency (F%) reached up to 92%, mycorrhizal intensity (M%) was 19.7%, with arbuscular abundance (A%) at 15.5% and vesicle abundance (V%) at 11%. These values were observed in soils characterized by an alkaline pH, low salt content, high organic matter, and low levels of total calcium carbonate, indicating optimal conditions for AMF colonization. Seasonal variations likely contribute to fluctuations in these colonization rates. A total of 7 species belonging to five genera, three families and two orders of Glomeromycota, were detected in the soil samples. These results indicate that there is a significant relation between this species and mycorrhizal fungi. For future research, we can be using the rootstock of P. terebinthus to improve P. vera production by using the high-performance strains of this AMF to produce mycorrhizal inoculants.

Keywords


Arbuscular mycorrhizal fungi; North Africa; Pistacia terebinthus; seasons; soil.

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