Diversity of Endophytic and Rhizospheric Bacteria Associated with Sugarcane and Soil Nutritional Characteristics in Assiut governorate, Egypt

Document Type : Novel Research Articles

Authors

1 Botany and microbiology dapartment, Faculty of science ,Assiut university , Assiut , Egypt

2 Assiut University, Faculty of Science, botany and microbiology depaertmant

3 1Department of botany and microbiology, Faculty of Science, Assiut, 71516 Assiut, Egypt. 2Erfurt Research Centre for Horticultural Crops, University of Applied Sciences, 99090 Erfurt, Germany. 1Department of botany and microbiology,

Abstract

Endophytic bacterial communities can vary dramatically across different locations. The diversity of endophytic microorganisms within sugarcane (Saccharum sp. cv. C 9) is significantly influenced by various environmental factors, which are crucial in shaping plant health and resilience. The present study aimed to investigate the soil nutrients effect on the diversity and abundance of the bacterial endophytes associated with sugarcane. Moreover, to study the impact of some specific environmental stressors, such as nutrient deficiency in alteration the endophytic bacterial community structures using indicator species and this alternation from richness, dominance and degree of significance of bacterial groups in each plant part for the studied locations. Eighty-five endophytic bacterial isolates were obtained from sugarcane plants that were grown in two sites: Agriculture farm and Botany and Microbiology farm in Assiut governorate, Egypt. Nutrient content measurements showed the high deficiency of phosphate and nitrate in site 2 (Botany farm). The nutrient deficiency was noticeable in the bacterial diversity, a complete absence of and showed the significance contribution of bacilli, filamentous bacteria in soil of site 1 as well as rods in sugarcane roots of site 2 soil. The scanning electron microscopy imaging was used for further verification of the bacterial shape and confirmation of the shape of the bacteria. SEM photos showed actinomycetes and short rod bacteria attached to the sugarcane roots.
By deepening to understanding of how environmental factors influence endophytic bacterial diversity in sugarcane, we can inform strategies for improving crop resilience and productivity in diverse ecological contexts.

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