Abstract
Diversity and mycorrhizal potential of arbuscular mycorrhizal fungi in two natural soils in the eastern region of Morocco
Highlights
The aim of our study is to evaluate the diversity and abundance of arbiscular mycorrhizal fungi (AMF) species in two soils, from two sites in the east of Morocco (Guercif and Zaïo), which would interesting to exploit them in the development of a composite endomycorhizal inoculum
Guercif soil was low in phosphorus (7.27 ppm) and nitrogen (1.33 mg/100 g soil), Zaïo soil was high in phosphorus (74.9 ppm) and medium in nitrogen (170 mg/100 g soil)
While the spore density was high at both sites, it was significantly higher in Guercif soil compared to Zaïo soil (386 and 279 spores per 10 g of soil, respectively)
Summary
Agriculture faces several major challenges, one of which is the rapid growth of the human population, estimated at 8.9 billion in 2050 (Damon, 2003). The aim of our study is to evaluate the diversity and abundance of AMF species in two soils, from two sites in the east of Morocco (Guercif and Zaïo), which would interesting to exploit them in the development of a composite endomycorhizal inoculum. The choice of these two sites was based on their potential agricultural production, especially the plain of Guercif which was recently exploited, in contrast to the plain of sabra (Zaïo) which has been cultivated for about 50 years. The MPN bioassay estimate of the number of infective propagules per weight of the tested soil, which reflect the ability of a soil to initiate the formation of mycorrhizal associations from a quantity of inoculum present in the soil as propagules (Plenchette et al, 1989)
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