Antixenosis

Definition

An effect due to a characteristic, often a physical or chemical attribute of a plant, that deters feeding or oviposition. This is also called nonpreference.

Etymology

From Greek 'anti-', meaning 'against', and 'xenos', meaning 'guest' or 'stranger'.

Example

Plants with antixenosis characteristics may be less likely to be attacked by insects.

Synonyms

• Nonpreference

Related Terms

• Resistance
• Nonpreference

Usage Notes

Antixenosis is often considered a form of non-preference, meaning the insect simply chooses not to feed on the plant.