Disease resistance is the ability to prevent or reduce the presence of
disease
A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not immediately due to any external injury. Diseases are often known to be medical conditions that a ...
s in otherwise
susceptible hosts. It can arise from genetic or environmental factors, such as incomplete
penetrance.
Disease tolerance Tolerance to infection, or disease tolerance, is a mechanism that host organisms can use to fight parasites or pathogens that attack the host. Tolerance is not equivalent to resistance. Disease resistance is the host trait that prevents infection or ...
is different as it is the ability of a host to limit the impact of disease on host health.
In crops this includes
plant disease resistance and can follow a
gene-for-gene relationship.
See also
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Disease resistance in fruit and vegetables
There are a number of lines of defence against pests (that, those animals that cause damage to the plants we grow) and diseases in the orchard, principal among these being the practice of good husbandry, creating healthy soil and ensuring high st ...
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Disease resistance breeding
References
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Diseases and disorders