0
The term "Rhizosphere" was introduced in 1904 by the German scientist L. Hiltner to denote the region of soil, which is under the influence of plant roots.
Rhizosphere is defined as the region of the soil immediately surrounding the roots of a plant together with the root surfaces.
Plant roots receive between 30-60% of the net photosynthesized carbon. Of this, an estimated 40-90% enters the soil as a wide variety of materials including alcohols, ethylene, sugars, amino acids and organic acids, vitamins, nucleotides, polysaccharides, and enzymes. These materials create a unique environment for soil microorganisms, called the rhizosphere. The plant root surface, termed rhizoplane, also provides a unique environment for microorganisms, as these gaseous, soluble, and particulate materials move from the plant plant to soil.
The rhizosphere effect is beneficial to the plants in two ways, firstly it helps in providing nutrients to the plants and secondly, it helps the plants in combating root diseases;
Here, soil environment may be aerobic or anaerobic. And here Bacteria predominate rather than fungi.
Mainly soil bacteria present:
Achromobacter, Pseudomonas, Bacillus, Clostridium etc.
Fungi such as: Aspergillus flavus, A. niger, Cladosporium herburum, Fusarium oxysporum, and F. solani.
Rhizosphere microorganisms are directly associate with root system, i.e, no vector is needed.
- Tathagata Bhattacharjee.
student of M.Sc -1st year,
B.R.S.N College,
West Bengal State University.
What else can I help you with?
What is a microbiology department?
A microbiology department is a division within a university or research institution dedicated to the study of microorganisms such as bacteria, viruses, fungi, and parasites. Researchers in this department investigate various aspects of microbiology, including microbial genetics, ecology, and pathogenesis, to better understand the role of microorganisms in health, disease, and the environment.
What does microbiology entails?
Microbiology is the study of microscopic organisms such as bacteria, viruses, fungi, and protozoa. It involves understanding their structure, function, and interactions with other organisms and the environment. Microbiologists play a key role in areas such as healthcare, biotechnology, agriculture, and environmental science.
What is the Role of environmental microbiology in the society?
Environmental microbiology plays a crucial role in society by studying microorganisms in various environments, helping with bioremediation of pollutants, understanding microbial diversity and its impact on ecosystem health, and contributing to the development of sustainable practices in agriculture, waste management, and public health. This field is essential for maintaining balance in ecosystems and ensuring the health and well-being of both humans and the environment.
What is the significance of microbiology in everyday life?
microbiology is very helpful in daily life. bacteria ferment milk to produce yougart, wine and vinegar is produced by bacterial action, cheese is produced by bacterial action, compost is produced by bacterial action.
What is the purpose of isolation techniques in microbiology?
Isolation techniques in microbiology are used to obtain a pure culture of a specific microorganism by separating it from a mixed population. This is essential for studying the characteristics, growth requirements, and pathogenicity of individual microorganisms. Isolation techniques also help in identifying and characterizing unknown microorganisms.
What is a microbiology department?
A microbiology department is a division within a university or research institution dedicated to the study of microorganisms such as bacteria, viruses, fungi, and parasites. Researchers in this department investigate various aspects of microbiology, including microbial genetics, ecology, and pathogenesis, to better understand the role of microorganisms in health, disease, and the environment.
What does microbiology entails?
Microbiology is the study of microscopic organisms such as bacteria, viruses, fungi, and protozoa. It involves understanding their structure, function, and interactions with other organisms and the environment. Microbiologists play a key role in areas such as healthcare, biotechnology, agriculture, and environmental science.
What are resident microflora?
Resident microflora are the normal, harmless microorganisms that permanently colonize various parts of the body, such as the skin, gut, and mucous membranes. These microorganisms play a role in maintaining the health of the host by competing with harmful pathogens and helping to regulate the immune system.
What is the Role of environmental microbiology in the society?
Environmental microbiology plays a crucial role in society by studying microorganisms in various environments, helping with bioremediation of pollutants, understanding microbial diversity and its impact on ecosystem health, and contributing to the development of sustainable practices in agriculture, waste management, and public health. This field is essential for maintaining balance in ecosystems and ensuring the health and well-being of both humans and the environment.
What is rhizosphere effect?
Basically, the rhizosphere effect is a grouping of soil properties that change when in the effective vicinity of roots. Some of these effects are increased number of organisms (mostly bacteria and fungi) and decomposition rates.
What is the significance of microbiology in everyday life?
microbiology is very helpful in daily life. bacteria ferment milk to produce yougart, wine and vinegar is produced by bacterial action, cheese is produced by bacterial action, compost is produced by bacterial action.
Importance of studying soil microbiology?
Studying soil microbiology is important because soil microbes play a critical role in nutrient cycling, organic matter decomposition, and plant health. Understanding soil microbiology can help improve soil fertility, crop productivity, and sustainable agriculture practices. It also provides insights into the impact of human activities on soil health and the environment.
How can microflora benefit humans?
Microflora, or the microorganisms living in our bodies, play a crucial role in maintaining gut health, aiding digestion, synthesizing certain vitamins, and supporting our immune system. They also help protect against harmful pathogens and can influence overall well-being and mental health.
Study of microscopic organisms?
The study of microscopic organisms is called microbiology. Microorganisms include bacteria, viruses, fungi, and protozoa. Microbiology plays a crucial role in various fields such as medicine, agriculture, environmental science, and biotechnology.
What is indigenous micro flora?
Indigenous microflora refers to the diverse community of microorganisms, including bacteria, fungi, and viruses, that naturally inhabit a specific environment, such as the human body or a particular ecosystem. In humans, these microorganisms play a crucial role in maintaining health by aiding digestion, protecting against pathogens, and supporting the immune system. The composition of indigenous microflora can vary greatly based on factors like geography, diet, and lifestyle. Understanding these microbial communities is essential for research in health, ecology, and biotechnology.
What is the purpose of isolation techniques in microbiology?
Isolation techniques in microbiology are used to obtain a pure culture of a specific microorganism by separating it from a mixed population. This is essential for studying the characteristics, growth requirements, and pathogenicity of individual microorganisms. Isolation techniques also help in identifying and characterizing unknown microorganisms.
The role of statistics in microbiology?
Probability and statistics play a very important role in microbiology. I've included links on bioinformatics and phylogenetics, which probability theory related to DNA chains has very quickly evolved. Since microbiology involves experimentation and reaching conclusions based on inherently uncertain data. Biostatistics provides methodology for design and analyses of these biological tests or experiments.
