aster yellows


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aster yellows

[′as·tər ′yel‚ōz]
(plant pathology)
A widespread virus disease of asters, other ornamental plants, and many vegetables, characterized by yellowing and dwarfing; leafhoppers are vectors.
References in periodicals archive ?
Hairy or misshapen roots can be caused by excessive nitrogen or aster yellows disease.
Molecular detection of diverse mycoplasmalike organisms (MLOs) associated with grapevine yellows and their classification with aster yellows, X-disease, and elm yellows MLOs.
Several hundred different phytoplasmas are known to target plants, causing such diseases as witches' broom and aster yellows.