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A New Natural Host of Lisianthus necrosis virus in Taiwan.

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Lisianthus necrosis virus (LNV) was first identified as a fungus-borne virus that induced systemic necrosis in lisianthus (Eustoma russellianum) in Japan (2). In Taiwan, LNV causes systemic bright yellow chlorosis followed by necrosis in lisianthus (1). The disease was able to spread through the

Outbreak of Tobacco streak virus Causing Necrosis of Cucumber (Cucumis sativus) and Gherkin (Cucumis anguria) in India.

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Cucumber (Cucumis sativus L.) and Gherkin (Cucumis anguria L.) are important cucurbitaceous vegetables grown in India for slicing and pickling. During the 2000 to 2002 rainy season and summer, a new virus disease, causing yield losses of 31 to 75% in Bangalore, Bellary, Davanagiree, and Tumkur

First Report of Moroccan Watermelon Mosaic Potyvirus in Zucchini in Italy.

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Unusual symptoms were observed in summer 1997 in field zucchini of several cultivars grown in central Italy. Symptoms included reduction in growth, severe mosaic, blistering and deformation of leaves, and malformation on fruits. Plants gave negative results in enzyme-linked immunosorbent assay

First Report of Tomato spotted wilt virus on Soybean in Iran.

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During the summers of 1999 and 2000, 3,110 soybean (Glycine max) leaf samples were randomly collected from soybean fields in the Ardebil, Goletan, Khuzestan, Lorestan, and Mazandaran provinces of Iran. Tomato spotted wilt virus (TSWV) was detected in leaf samples by TSWV-specific polyclonal antibody

First Report of Potato spindle tuber viroid in Cape Gooseberry (Physalis peruviana) in New Zealand.

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In February 2009, 10 cape gooseberry plants (Physalis peruviana) grown from seed on a domestic property in Christchurch, New Zealand, showed severe leaf distortion, fasciation and etiolation of growing tips, and weak flowering. Symptoms were first observed in the emerging seedlings. No virus

First Report of Tobacco streak virus Infecting Guizotia abyssinica from India.

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Guizotia abyssinica (L.f.) Cass. (niger), an important oil seed crop grown in India, is used in foods, paints, soaps, and as an illuminant. During a survey conducted in 2004 to monitor Tobacco streak virus (TSV) in Helianthus annuus L. (sunflower) and Arachis hypogaea L. (groundnut), typical

Iris Yellow Spot Tospovirus Detected in Onion (Allium cepa) in Israel.

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During March 1997, 20 to 30% of field-grown onion (Allium cepa), observed in Bet Shean Valley, Israel, had unusual viral symptoms of straw-colored ringspots on leaves and flower stalks. Leaf samples were analyzed by transmission electron microscopy (EM) of leaf dip preparations. Typical

First Report of Broad bean wilt virus 2 in Echinacea purpurea in China.

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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

First Report of Broad Bean Wilt Fabavirus on Polygonum fagopyrum.

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Buckwheat (Polygonum fagopyrum L.) is an annual medicinal plant useful in convalescence and treatment of anemia. It is widely grown in Europe, where it is sometimes used as human food. In a survey made during 1995 to 1996 in the Emilia-Romagna region (northern Italy), a virus was consistently

Identification of Carnation mottle virus from Lisianthus Plants in Taiwan.

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Lisianthus (Eustoma exaltatum (L.) Salisb. ex G. Don subsp. russellianum (Hook.) Kartesz) is an economically important ornamental crop in Taiwan. Over the past decade, nine viruses have been identified or detected in lisianthus including: Bean yellow mosaic virus (BYMV), Lisianthus necrosis virus

First Report of Spinach latent virus in Tomato in New Zealand.

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A Lycopersicon esculentum (tomato) plant from a commercial property in New Zealand was submitted to the Investigation and Diagnostic Centre for diagnosis in 2003. Fruits had faint yellow ringspots but no obvious symptoms were observed on leaves. No virus particles were observed from tomato and

Tobacco streak virus isolated from lettuce.

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Tobacco streak virus (TSV) is an ilarvirus with a worldwide distribution. This virus infects many plants and causes significant yield losses. In this study, 300 samples of lettuce were collected from lettuce fields in Tehran Province. Infected plants show symptoms such as: mosaic, vein clearing,

Coriander: A New Natural Host of Groundnut Ring Spot Virus in Brazil.

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Coriander plants (Coriandrum sativum L. 'Palmeira'), showing stunting, chlorotic ring spots, necrosis, and malformation of apical leaves were observed on 50-day-old-plants in July 1998 in one seed production field at Petrolina, State of Pernambuco, Brazil, but not in nearby fields. Leaf samples were

First Report of a Tospovirus on Sunflower (Helianthus annus L.) from India.

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Virus-like symptoms were observed on sunflower in and around Tirupati during January 1998. Infected plants exhibited severe mosaic, systemic necrosis along the stem and floral heads, leaf distortion, and ringspots on leaves. The causal virus, mechanically transmissible from sunflower to sunflower

First Report of Tomato chlorotic spot virus Infecting Spilanthes oleracea in Brazil.

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Spilanthes oleracea L., popularly known as toothache plant, belongs to the family Asteraceae and is a South American native plant. Fresh leaves can be eaten for their medicinal properties or used by the cosmetics industry for their spilol contents. Plants showing leaf deformation that were collected

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