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 ?
Amongst causative agents of papaya ring spot virus (PRSV) is highly damaging threat to the papaya cultivation (Fermin et al., 2010) through the damage up to 100% described in some regions (Tennant et al., 2007).
schultzei caused economic damage to some tomato and pepper plantings by transmitting Groundnut ring spot virus.
Bennett), stripe smut [caused by Ustilago striiformis (Westend.) Niessl], powdery mildew (caused by Erysiphe graminis DC), summer patch (caused by Magnaporthe poae Landschoot & Jackson), and necrotic ring spot (caused by Leptosphaeria korrae J.C.
This hybrid has intermediate resistance to leaf curl virus, papaya ring spot virus (PRSV) and another virus called ZYMV for short.
poae), necrotic ring spot (caused by Leptosphaeria korrae J.
It is also tolerant to the ring spot virus, and in addition, Sinta fruits command a premium price of 60 rupees per kilo compared to the 30 rupees per kilo of Mulir fruits.
Odyssey showed improved resistance to drought (dormancy), leafspot, and melting out [caused by Drechslera pone (Baudys) Shoem], necrotic ring spot (caused by Leptosphaeria korrae J.
This means it has not been affected by disease, especially the papaya ring spot virus which is a menace in many papaya plantations.
In the same trials, Award demonstrated improved drought tolerance (dormancy), resistance to leafspot and melting out [caused by Drechslera poae (Baudys) Shoem], necrotic ring spot (caused by Leptosphaeria korrae J.
In the same trial, Liberator demonstrated improved drought tolerance (dormancy), resistance to leafspot and melting out (caused by Drechslera spp.), necrotic ring spot (caused by Leptosphaeria korrae J.
In the same test, NuGlade demonstrated improved drought tolerance (dormancy), resistance to leafspot and melting out [caused by Drechslera poae (Baudys) Shoem], necrotic ring spot (caused by Leptosphaeria korrae J.
graminis Pers.:Pers.), necrotic ring spot (caused by Leptosphaeria korrae J.