Aster yellows

Definition

A plant disease caused by a phytoplasma that results in a range of symptoms including chlorosis, stunting, and malformation.

Etymology

Named after the aster flower, which is often severely affected by the disease.

Example

Aster yellows can cause significant yield losses in crops like potatoes and tomatoes.

Related Terms

• Phytoplasma
• Leafhopper
• Chlorosis
• Stunting
• Malformation

Usage Notes

Aster yellows is transmitted by leafhoppers, and can affect a wide range of plants.