Definitions for antagonismænˈtæg əˌnɪz əm
This page provides all possible meanings and translations of the word antagonism
hostility, enmity, antagonism(noun)
a state of deep-seated ill-will
the relation between opposing principles or forces or factors
"the inherent antagonism of capitalism and socialism"
an actively expressed feeling of dislike and hostility
(biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
A strong natural dislike or hatred; antipathy.
The longstanding antagonism is manifested in frequent scuffles and shouting matches.
opposition of action; counteraction or contrariety of things or principles
Origin: [Gr. 'antagw`nisma, fr. 'antagwni`zesqai to struggle against; 'anti` against + 'agwni`zesqai to contend or struggle, 'agw`n contest: cf. F. antagonisme. See Agony.]
In phytopathology, antagonism refers to the action of any organism that suppress or interfere the normal growth and activity of a plant pathogen, such as the main parts of bacteria or fungi. These organisms can be used for pest control and are referred to as ``Biological Control Agents´´. They may be predators, parasites, parasitoides, or pathogens that attack harmful insect, weed or plant disease or any other organism in its vicinity . the inhibitory substance is highly specific in its action affecting only a specific species. many soil microorganisms are antagonistic .they secrete a potent enzyme which destroys other cells by digesting their cell walls and degrade the cellular material as well as d released protoplasmic material serves as a nutrient for the inhibitor organism for example Aspergillus has an antagonistic effect on Penicillium and Cladosporium . Trichoderma has an effect on actinomycetes. Pseudomanas shoe antagonism on Cladosporium. 'Antagonism - Mechanism' Antibiosis example- enzymes, toxins, antibiotics. Direct parasitism example- biotrophic or necrotrophic. competition example- for nutrients. Induced resistance.
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