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Research paper thumbnail of Etat de la biodiversité des spores de la rhizosphère et les paramètres de mycorhization du mil en fonction des stades phénologiques et selon les pratiques culturales

International Journal of Innovation and Applied Studies, 2020

Soil microorganisms actively colonize plant roots while increasing their growth and yield. The ai... more Soil microorganisms actively colonize plant roots while increasing their growth and yield. The aim of the work is to characterize arbuscular mycorrhizal fungi resulting from soil fertility management practices and their variation according to the phenological stages of millet. Samples of the soil and rootlets were taken during the tillage, run and seed stages. Morphological characterization of arbuscular mycorrhizal fungal spores and study of mycorrhizal parameters revealed that Glomus and Gigaspora are the two genera of spores resulting from soil fertility management practices. Observation with a binocular magnifying glass showed hyphae, vesicles and the presence of arbuscules on some roots. The density of the two genera of spores identified varied according to the treatments. Mulch (61, 37) has the highest average density of spores. The frequency of mycorrhization reached 100% in all treatments. For the intensity of mycorrhization, mulching also recorded the highest rate (61.06). ...

Research paper thumbnail of Etat de la biodiversité des spores de la rhizosphère et les paramètres de mycorhization du mil en fonction des stades phénologiques et selon les pratiques culturales

International Journal of Innovation and Applied Studies, 2020

Soil microorganisms actively colonize plant roots while increasing their growth and yield. The ai... more Soil microorganisms actively colonize plant roots while increasing their growth and yield. The aim of the work is to characterize arbuscular mycorrhizal fungi resulting from soil fertility management practices and their variation according to the phenological stages of millet. Samples of the soil and rootlets were taken during the tillage, run and seed stages. Morphological characterization of arbuscular mycorrhizal fungal spores and study of mycorrhizal parameters revealed that Glomus and Gigaspora are the two genera of spores resulting from soil fertility management practices. Observation with a binocular magnifying glass showed hyphae, vesicles and the presence of arbuscules on some roots. The density of the two genera of spores identified varied according to the treatments. Mulch (61, 37) has the highest average density of spores. The frequency of mycorrhization reached 100% in all treatments. For the intensity of mycorrhization, mulching also recorded the highest rate (61.06). ...

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