Phytotoxemia

Definition

A plant disease symptom caused by the feeding activities of insects or mites, including the introduction of salivary compounds (phytotoxins) that disrupt normal plant physiology.

Etymology

From Greek 'phyton' meaning 'plant', and 'toxemia' meaning 'poisoning'.

Example

The phytotoxemia caused by whiteflies results in stunted growth and yellowing of the leaves.

Related Terms

• Insect feeding
• Mite feeding
• Phytotoxins
• Plant defense

Usage Notes

Phytotoxemias can vary in severity depending on the species of insect or mite involved, as well as the plant's susceptibility.