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Definition of disease-resistant

Categorized under "General"

Definition as written by Terry:

A plant that has the ability to resist certain types of diseases (while other varieties of the same plant are typically susceptible.)

The resistance may be naturally occuring, or it may be the result of breeding programs designed to enhance the plant's ability to resist the specific disease(s).

An example is the tomato, which may be selected for its resistance to verticillium, fusarium, root nematoes and/or tobacco mosaic diseases - indicated by the letters VFNT on the plant's or seed's packaging.

Among flowering plants, varieties resistant to powdery mildew are often preferrable to those which are more susceptible, especially in areas where summer humidity is a problem.


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