11 תוצאות
A honeysuckle (Lonicera fragrantissima) shrub on the grounds of the former Plant Quarantine Station, Glenn Dale, MD, had chlorotic leaves on some shoot tips and a mild veinal chlorosis. Young leaves were triturated in buffer and rub-inoculated onto a series of potential indicator hosts. The virus
Grapevine leafroll-associated virus-7 (GLRaV-7) was transmitted from an Albanian grapevine accession to Tetragonia expansa by the parasitic dodder Cuscuta reflexa and to Nicotiana occidentalis by Cuscuta europea. Cuscuta campestris was infected by GLRaV-7 but could not transfer the virus to an
Alfalfa mosaic virus (AMV) has a wide host range and is distributed throughout the world. It causes disease in several vegetable crops, including bean, celery, lettuce, pea, pepper, and tomato (1). In Spain, it has been found naturally infecting alfalfa, pepper, and tomato. During the autumn of
Glycine max (Soybean) is the most important edible crop in Korea. In Korea, eight viruses have been reported to infect soybean, including Alfalfa mosaic virus (AMV), Cowpea mosaic virus (CPMV), Cucumber mosaic virus (CMV), Soybean dwarf virus (SbDV), Soybean mosaic virus (SMV), Soybean yellow common
Pelargonium zonate spot virus (PZSV) was first isolated from tomato in southern Italy in 1982 (1) and later was also reported from Spain (3) and France (2). Infected tomato plants showed stunting, malformation, yellow rings and line patterns on the leaves, and concentric chlorotic ringspots on the
Field-grown Echinacea purpurea plants showing necrosis, leaf roll, yellow mosaic, and mosaic symptoms in leaves were collected in June 2010 in Huairou, Beijing, China. ELISAs of extracts of four samples showed that one sample with mosaic symptoms had a positive reaction with Broad bean wilt virus 2
Vigna marina (Burm.) Merr., the dune bean or notched cowpea, is a tropical creeping vine that grows on sand dunes along the coastal regions of Taiwan. Although V. marina is a weed, some varieties are also grown for fodder and food. This legume is a natural host of Bean common mosaic virus in the
Asiatic and Oriental hybrid lilies (Lilium sp., Liliaceae) are bulbous ornamentals valued for their flowers. Bulbs of several varieties of each lily type, imported from the Netherlands, were purchased in spring 2013 from retail nurseries and grown in a cool greenhouse; additional bulbs were obtained
ABSTRACT The first reported U.S. isolate of Beet black scorch necrovirus (BBSV) was obtained and characterized. Host range of the virus for localized and occasionally systemic infection included the Chenopodiaceae and Tetragonia expansa; Nicotiana benthamiana supported symptomless systemic infection
Tulip (Tulipa spp.) is an ornamental plant of major economic importance in Japan. Regions in Toyama Prefecture are some of the most productive for producing tulip bulbs, shipping approximately 50 million bulbs annually. However, mosaic diseases caused by viruses such as Tulip breaking virus (TBV)
SUMMARY Taxonomic relationship: Type member of the genus Closterovirus, family Closteroviridae. A member of the alphavirus-like supergroup of positive-strand RNA viruses. Physical properties: Virions are flexuous filaments of approximately 1300 nm in length and approximately 12 nm in diameter that