necrotic spot

Listing 1 - 10 from 55 for necrotic spot

Virus Diseases of Greenhouse HYG-3065-96
... Necrotic Spot Virus (INSV), Cucumber Mosaic Virus (CMV), Tobacco Mosaic Virus (TMV), Tomato Ringspot Virus (Tom RSV), and Tobacco Ringspot Virus (TRSV). In impatiens, INSV first expresses itself as a black or necrotic spot ... Symptoms Associated with Infection Impatiens Necrotic-Spot Many, particularly hosts that attract thrips Black/necrotic ringspots, black/necrotic spots, black lesions on affected ...
ohioline.osu.edu

Articles on Plant Disease, An Online Guide to Plant Disease Control, Oregon State University
... ActionFungicides and Pollen InteractionsFungicides for Disease Control in the Home LandscapeHazelnut Cultivar SusceptibilityHorticultural Spray OilsImpatiens Necrotic Spot: New Name, Same ThreatImproving Spray EfficiencyJuniper Cultivar SusceptibilityLimes in Sprays for Disease ControlMycorrhizaMycotoxinsNematodesOregon’s Most ...
plant-disease.ippc.orst.edu

Nebraska plant viruses
... Bean yellow mosaic (potyvirus) - description Beet curly top (curtovirus, rare) - description Beet necrotic yellow vein (occasional) - description Beet soilborne mosaic (common) Beet western yellow ... (common) Hosta virus X (potexvirus, rare) Hosta picornavirus (sequivirus) Impatiens necrotic spot (tospovirus) Maize chlorotic mottle (machlomovirus, common in Republican Valley) - description Maize ...
plantpath.unl.edu

Agritest - Development and production of standardized diagnostic assays for plant health management. Polyclonal and monoclonal antibodies, molecular probes and highly characterized reference material to detect plant virus pathogens.Plant Health Management
... Optionals Contacts Vegetables viruses INSV HYB DNA hybridization kit Intended Use: Molecular detection of Impatiens necrotic spot virus (INSV) in tomato leaves Method of assay: Dot blot hybridization with non-radioactive ... Peters, D. and Goldbach, R., 1992. The nucleotide sequence of the S RNA of Impatiens necrotic spot virus, a novel tospovirus. FEBS Lett. 306 (1), 27-32. Sensibility: About 20 μ ...
www.agritest.it

Diseases of African Daisy (Gerbera jamesonii H. Bolus ex J. D. Hook)
... Pseudomonas solanacearum (Smith 1896) Smith 1914 FUNGAL DISEASES Ascochyta leaf spot Ascochyta doronici Allesch. Alternaria leaf spot Alternaria alternata (Fr.:Fr.) Keissl. A. dauci (Kühn) ... necrotic spot genus Tospovirus, Impatiens necrotic spot virus (INSV) Spotted wilt genus Tospovirus, Tomato spotted wilt virus (TSWV) Tobacco mosaic genus Tobamovirus, Tobacco mosaic virus (TMV) Tobacco ring spot ...
www.apsnet.org

Diseases of African Violet (Saintpaulia ionantha Wendl.)
... root and crown rot Rhizoctonia sp. D.C. VIRUS DISEASES Leaf etch Impatiens necrotic spot virus Mosaic Anemone mosaic virus NEMATODES, PARASITIC Foliar nematode Aphelenchoides fragariae (Ritzema Bos ... incognita (Kofoid & White) Chitwood MISCELLANEOUS DISEASES AND DISORDERS Marginal leaf burn Overfertilization Ring spot Irrigation water temperature much above or below leaf temperature applied to the ...
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Greenhouse IPM: Sustainable Thrips Control
... feed on plants infected with the tomato spotted wilt virus (TSWV) or impatiens necrotic spot virus (INSV), the insect vectors these diseases to other plants in the greenhouse. ... thrips, whiteflies 1/sq. ft.; shipped as larvae and eggs. Deraeocoris brevis (predator) Green Spot aphids, whiteflies, thrips Heterorhabditis bacteriophora (beneficial nematode) M&R Durango, Aribco, BioLogic, Hydro-Gardens ...
www.attra.org

New Disease Reports - Volume 3: February 2001 - July 2001
... western yellows, Chickpea chlorotic dwarf and Faba bean necrotic yellows viruses affecting faba bean (Vicia faba L.) crops ... R.G. Milne & V. Lisa The identification and isolation of Impatiens necrotic spot virus (INSV) from prickly pear cactus (Opuntia microdasys) A.L. ... from diseased pepper plants in Turkey F. Sahin Bacterial spot (Xanthomonas campestris pv. vesicatoria) of tomato and sweet pepper in ...
www.bspp.org.uk

Bacterial Spot, Speck, and Canker of Tomatoes, HYG-3120-96
... rarely survive the season in the field. Secondary symptoms in the field include leaf "firing" (necrotic marginal leaf tissue adjacent to a thin band of chlorotic tissue; Figure 3) and ... many perennial plants. Bacterial canker is caused by Clavibacter michiganensis subsp. michiganensis, which, unlike the spot and speck pathogens, has the ability to infect tomato plants systemically. It is seedborne ...
ohioline.osu.edu

New Disease Reports - First report of Alternaria alternata causing leaf spot on Stevia rebaudiana
... with concentric rings or zones. On severely infected leaves several spots coalesced to form large necrotic areas. On older leaves concentric spots were more common at the tips. Leaf spots varied ... West Bengal, India for financial assistance. References Ishiba C, Yokoyama T, Tani T, 1982. Black spot disease of Steviae caused by Alternaria steviae, new species. Annals of the Phytopathological Society ...
www.bspp.org.uk

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