aster yellows
plural noun
: a widespread disease affecting more than 40 families of plants, characterized especially by yellowing and stunting, and caused by a phytoplasma transmitted by leafhoppers
Examples of aster yellows in a Sentence
Recent Examples on the Web
These look like the symptoms of aster yellows, a disease caused by a type of virus called a phytoplasma.
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Miri Talabac, Baltimore Sun, 28 July 2022
The key vector for aster yellows is the aster leafhopper.
—Miri Talabac, Baltimore Sun, 28 July 2022
Hot weather can temporarily deactivate aster yellows, but this won’t resolve the situation.
—Miri Talabac, Baltimore Sun, 28 July 2022
Stunted growth, yellowing leaves and distorted blooms that remain green suggest the presence of a virus-like disease called aster yellows.
—Adrian Higgins, Washington Post, 27 May 2021
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Miri Talabac, Baltimore Sun, 28 July 2022
The key vector for aster yellows is the aster leafhopper.
—Miri Talabac, Baltimore Sun, 28 July 2022
Hot weather can temporarily deactivate aster yellows, but this won’t resolve the situation.
—Miri Talabac, Baltimore Sun, 28 July 2022
Stunted growth, yellowing leaves and distorted blooms that remain green suggest the presence of a virus-like disease called aster yellows.
—Adrian Higgins, Washington Post, 27 May 2021
Cite this Entry
“Aster yellows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aster%20yellows. Accessed 5 May. 2025.
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