Showing results for aster yellows. Search instead for butter yellow.

aster yellows

American

noun

Plant Pathology.

a dwarfing and yellowing of asters and various other plants, caused by a mycoplasma transmitted by a leafhopper.

Etymology

Origin of aster yellows

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

aster yellows

One stumbling block was the prevalence of a disease named aster yellows, which killed almost a quarter of all the plants in the trial and interfered with the long-term evaluation.

From Washington Post ● Feb. 16, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023