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impatiens bokorensis/nécrose
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First Report of Impatiens necrotic spot virus on Spiderlily in China.
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Impatiens necrotic spot virus (INSV) (genus Tospovirus; family Bunyaviridae) is a devastating disease in the production of ornamental flowers (1). From 2007 to 2009, a survey of 10 major parks and recreation areas in Kunming, the capital of Yunnan Province, China, indicated that approximately 60 to
Development of efficient plant regeneration and transformation system for impatiens using Agrobacterium tumefaciens and multiple bud cultures as explants.
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BACKGROUND
Impatiens (Impatiens walleriana) is a top selling floriculture crop. The potential for genetic transformation of Impatiens to introduce novel flower colors or virus resistance has been limited by its general recalcitrance to tissue culture and transformation manipulations. We have
Anti-gastric adenocarcinoma activity of 2-Methoxy-1,4-naphthoquinone, an anti-Helicobacter pylori compound from Impatiens balsamina L.
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2-Methoxy-1,4-naphthoquinone (MeONQ) from Impatiens balsamina L. exhibited strong anti-H. pylori activity in our previous study. In this study, we investigated the cytotoxicity of MeONQ against gastric adenocarcinoma (MKN45 cell line) and propose the relevant mechanisms. MeONQ resulted in serious
The use of Sunpatiens (Impatiens spp.) as a bioindicator of some simulated air pollutants--using an ornamental plant as bioindicator.
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Sunpatiens were exposed separately or combined to ozone gas (130 ppb), fluoranthene (10 microM) and sulphuric acid mists (pH 3) sprayed as simulated pollutants in chamber conditions for 21 d. The treatments negatively affected the gas (CO(2) and moisture) exchange, leaf chlorophyll fluorescence, and
Additional Ornamental Species as Hosts of Impatiens Necrotic Spot Tospovirus in Italy.
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Impatiens necrotic spot (INSV) and tomato spotted wilt (TSWV) tospoviruses are among the most important viral pathogens of glasshouse ornamental plants worldwide (1). Tospovirus infections drastically reduce the market value of plants and create certification problems for international traders. As
Impatiens necrotic spot virus in Greenhouse-Grown Potatoes in New York State.
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Impatiens necrotic spot virus (INSV; genus Tospovirus) was detected in experimental greenhouse-grown potatoes (Solanum tuberosum) and Nicotiana benthamiana in New York State in July and August of 2003 and 2004. Potato leaves exhibiting necrotic lesions with a concentric pattern similar to those
Occurrence of Impatiens necrotic spot virus and Tomato spotted wilt virus on Potatoes in Iran.
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There have been an increasing number of records of the natural infection of various crops and ornamentals in Iran with Impatiens necrotic spot virus (INSV), Tomato spotted wilt virus (TSWV), and Tomato yellow fruit ring virus (TYFRV), a recently proposed species in the genus Topovirus (3). TYFRV,
First Report of Impatiens necrotic spot virus Infecting Greenhouse-Grown Potatoes in Washington State.
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In April and May 2010, leaves on approximately one-half of 200 potato (Solanum tuberosum L. cv. Atlantic) plants, 20 to 25 cm high, grown from prenuclear minitubers in greenhouses located at the USDA-ARS facility in Prosser, WA exhibited necrotic spots similar to those produced by the early blight
First Report of Tomato spotted wilt virus and Impatiens necrotic spot virus in Slovenia.
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In July 2000, concentric necrotic rings and patterns were observed on greenhouse-grown pepper (Capsicum anuum L. 'Blondi'). Symptoms were present only on lower leaves, not on young leaves or fruits. Typical tospovirus particles using electron microscopy were observed in leaf-dip preparations of
First Report of Impatiens necrotic spot virus Infecting Lettuce in California.
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Impatiens necrotic spot virus (INSV; family Bunyaviridae, genus Tospovirus) is an important pathogen of ornamental plants in North America and Europe, particularly in the greenhouse industry (2,3). However, INSV is now emerging as a pathogen of vegetable crops. During the 2006 and 2007 growing
First Report of Impatiens necrotic spot virus on Begonia in Bosnia and Herzegovina.
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Impatiens necrotic spot virus (INSV) and Tomato spotted wilt virus (TSWV) are the most serious viral pathogens in the production of ornamental plants in Europe and North America (1). During a survey for the presence of tospoviruses in July 2012, potted begonia hybrids (Begonia × tuberhybrida Voss)
First Report of Impatiens necrotic spot virus (INSV) Infecting Basil (Ocimum basilicum) in the United States.
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Basil (Ocimum basilicum L.), a native of India belonging to the Lamiaceae family, is an aromatic herb with distinctive aroma, and several commercial varieties are used extensively for culinary and ornamental purposes. During the summer of 2011 and 2012, potted plants of basil in a commercial
First Report of Impatiens necrotic spot virus in Gentiana macrophylla in China.
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Large leaf gentian, Gentiana macrophylla Pall., known as Qin Jiao in Chinese, is a medicinal herb. Its root is most commonly used in Chinese traditional medicine to relieve rheumatic conditions and to remove damp-heat. During a survey in July 2009, large leaf gentian plants exhibiting foliar
First Report of Impatiens necrotic spot virus on Hiemalis Begonia (Begonia × hiemalis) in Canada.
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Impatiens necrotic spot virus (INSV) is a member of the genus Tospovirus, and one of the prevalent viruses infecting ornamental plants, including begonia. Since the late 1980s, it has caused dramatic and unusual diseases on many flower crops, leading to considerable economic losses to the greenhouse
Detection of a Severe Isolate of Impatiens Necrotic Spot Virus Infecting Lisianthus in Florida.
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In May 1997, inclusions typical of a tospovirus were visualized by light microscopy in leaf tissue of lisianthus (Eustoma grandiflorum) exhibiting stunting, necrotic ringspots, leaf distortion, and systemic necrosis. Wilting and plant death were the final symptoms observed. Affected plants occurred
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