OAR@ICRISATIdentification of a Strain of Peanut Chlorotic Streak Virus Causing Chlorotic Vein Banding Disease of Groundnut in IndiaTSatyanarayanaauthorPSreenivasuluauthorA SRatnaauthorD V RReddyauthorM VNayuduauthorA virus disease characterized by chlorotic vein banding, chlorotic line pattern along the margins or midrib of mature leaflets and chlorotic spots/rings was observed on commercial groundnut crops in Rayalaseema area of Andhra Pradesh with an incidence from 1% to nearly 60%. The virus was transmitted by mechanical inoculation in extracts prepared with 0.01 M potassium phosphate butter, pH 8.0 to 21 species from the Chenopodiaceae, Cruciferae, Leguminosae and Solanaceae, Chenopodium quinoa was found to be a good local lesion host. The virus was neither seed-transmitted through 1591 groundnut seeds nor aphid-transmitted by Aphis craccivora, Myzus persicae and Rhopalosiphum maidis either in non-persistent or semi-persistent manner. The virus remained infective in buffered tobacco leaf sap at a dilution of 10−5; in a 10−1 dilution of buffered sap the virus was infective for 2–3 days at 22–29°C or when heated to 65°C for 10 min but not to 70°C. Clarification treatments with organic solvents with 10% chloroform was least damaging. The virus was purified from Nicotiana rustica leaves. Purified virus contained isometric particles of 51 nm in diameter with an electron dense core of 22 nm and two major polypeptides of 76 kDa and 36 kDa. A polyclonal antiserum to this virus was produced. In agar gel double diffusion, enzyme-linked immunosorbent assay and in electro-blot immunoassay rests the virus was related to peanut chlorotic streak virus and not to cauliflower mosaic, figwort mosaic and soybean chlorotic mottle virusesGroundnut1994Blackwell PublishingArticle

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