ring spot


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Related to ring spot: dollar spot, necrotic ring spot

ring spot

[′riŋ ‚spät]
(plant pathology)
Any of various virus and fungus diseases of plants characterized by the appearance of a discolored, annular lesion.
References in periodicals archive ?
schultzei caused economic damage to some tomato and pepper plantings by transmitting Groundnut ring spot virus.
It was specifically shown to be effective in controlling the following turfgrass diseases: Anthracnose, Dollar spot, Pythium, Leaf spot, Bermudagrass, Take-all patch, Fairy ring, Pink patch, Gray leaf spot, Microdochium patch, Summer patch and Necrotic ring spot.
He is maintaining his threat to quit because of disillusionment with the system put in place by the NJPC, but until he is satisfied with the sale system, he will use his lowly ring spot at Ludlow as a first toe in uncharted waters.