Useful english dictionary. 2012.
ring|spot — «RIHNG SPOT», noun, or ring spot, 1. a yellowish, necrotic discoloration in the form of spots or circles, symptomatic of a disease in plants. 2. any one of various plant diseases characterized by such discoloration: »tobacco ringspot … Useful english dictionary
ring spot — noun 1. : a lesion of plant tissue consisting of yellowish, purplish, or necrotic, often concentric rings 2. : any plant disease of which ring spots are the characteristic lesion: as a. : a virus disease of tobacco and related plants producing… … Useful english dictionary
ring spot — noun Date: 1923 1. any of various plant diseases caused by viruses (genus Nepovirus of the family Comoviridae) and marked by circular lesions of usually chlorotic or necrotic tissue 2. a turf disease caused by an ascomycetous fungus… … New Collegiate Dictionary
black ring — noun also black ring spot 1. : a virus disease of cabbage and other members of the cabbage family (Cruciferae) that is characterized by necrotic, dark, and often sunken rings on the leaf surface 2. : a virus disease of the tomato that is… … Useful english dictionary
Fairy ring — For the article dedicated to the Southwest African phenomenon of fairy circles, see Fairy circle (Africa). For the Neolithic archaeological monument, see Hjaltadans. A fairy ring on a suburban lawn A fairy ring, also known as fairy circle, elf… … Wikipedia
Some viral and viroid diseases of plants — ▪ Table Some viral and viroid diseases of plants disease causative agent hosts symptoms and signs additional features tobacco mosaic tobacco mosaic virus (TMV) tobacco, tomato, and hundreds of other vegetables and weeds mottled appearance of… … Universalium
Summer patch — Scientific classification Kingdom: Fungi Phylum: Ascomycota Subphylum: Pezizomycotina … Wikipedia
ПЯТНИСТОСТЬ КОЛЬЦЕВАЯ ВИШНИ И ЧЕРЕШНИ НЕКРОТИЧЕСКАЯ — англ.necrotic ring spot of sour cherry нем.nekrotische Ringfleckigkeit der Sauerkirsche, Kirsche; nekrotische Ringfleckigkeit, Sauerkirsche франц.taches en anneau (nécrotiques) du cerisier возбудитель:Virococcus prunicola Procenko см … Фитопатологический словарь-справочник
Plum pox — Taxobox image size = 240px image caption = Genome of PPV with proteolytic cleavage sites virus group = iv familia = Potyviridae genus = Potyvirus species = Plum pox virusPlum pox, also known as sharka, is the most devastating viral disease of… … Wikipedia
Cabbage — This article is about the vegetable. For other uses, see Cabbage (disambiguation). Cabbage Cabbage and its cross section Details … Wikipedia
