Abstract
A sensitivity of the serological latex and ELISA tests were compared in carnation mottle virus diagnosis. For the latex test carnation mottle virus (CaMV) antiserum was sensibilized with latex suspension for RF-test. Sensibilized antiserum was used in 1: 200 dilution, as compared with fresh antiserum. For ELISA the γ-globuline fraction of antiserum was conjugated with alkaline phosphatase. The optimal dilution in both, CaMV fraction of antisera for coating of plates and γ-globuline-enzyme conjugate were in the ratio of 1: 500, 2 μg of antibodies in 1 ml. The dilution end point of carnation mottle virus in sap from carnation leaves was 1.6 × 10−4 to 1.25 × l0−5 and 1 × 10−4 to 1.25 × l0−5, when serological latex and ELISA tests were used. As indicated, ELISA as compared to the latex test was found to be more sensitive for carnation mottle diagnosis. As the latex test is considered to be simpler and cheaper, and in addition, showing the same assurance as the biological test onChenopodium amaranticolor, the latex test is recommended for carnation mottle virus detection.
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