Antibiosis

Antibiosis, also referred to as antagonism, a process of biological interaction between two or more organisms that is detrimental to at least one of them; it can also be an antagonistic association between an organism and the metabolic substances produced by another. Antibiosis can occur through a variety of mechanisms, with "injury, death, reduced longevity, or reduced reproduction of the pest" being common. The process of antibiosis is either reversible or irreversible, and is caused by the production of volatile organic compounds by plant-growth-promoting rhizobacterium (PGPR). Antibiosis is one of two forms of amensalism, the other form being competition. Primary examples of antibiosis include "antibacterial activity against bacteria, fungus, nematodes, insects, and occasionally against plants and algae".

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