Rhizosphere Interactions

From MicrobeWiki, the student-edited microbiology resource

Introduction

The rizosphere refers to the region of soil near plant roots. Compared to the rest of soil, this area is relatively luxurious- nutrients are more plentiful and bacteria abound. Sylvia et al compare the rizosphere to an oasis.

Soil Environment Associated with Plants

Rhizoplane

Rhizosphere

Physical Environment

Faunal Populations

Movement of Microflora in the Rhizosphere

Microbe-Plant Interactions in the Rhizosphere

Azotobacter

Azotobacter and Azospirillum, as well as other bacterial species (e.g., Bacillus) produce plant growth-stimulating hormones such as gibberellic and indoleacetic acid.

Inoculants

Soil Properties Around the Rhizosphere

References

  • Sylvia, D., Fuhrmann,J., Hartel, P., Zuberer, D. 2005. Principles and Applications of Soil Microbiology. Pearson Education Inc. New Jersey.

Edited by students of Kate Scow