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Epidemiology (adj. Epidemiologic) The study of factors influencing the initiation, development, and spread of infectious disease. Also, the study of disease in populations. ...
Epinasty An abnormal downward-curving growth or movement of a leaf, leaf part, or stem. ...
Epiphytotic The widespread and destructive development of a disease on many plants in a community or communities. ...
Eradicant Chemical used to eliminate a pathogen from a host or an environment. ...
Eradication Control of disease by eliminating the pathogen after it is already established. ...
Escape Plants in a given population that remain free of disease where it is prevalent, although they possess no natural inherent resistance to the disease. (See Klendusity). ...
Etiolation Yellowing and long, spindly growth as a result of insufficient light. ...
Etiology The description of the cause of disease. ...
Exclusion Control of disease by preventing its introduction (e.g., by quarantines) into disease-free areas. ...
Exclusion
Exogenous Produced outside. ...