Virus - Detection, Identification, Symptoms, Testing |
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VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Detection by Biological Assay
It is performed on leaves of other plants such as Cassia occidentalis, Gomphrena globosa, Chenopodium amaranticolor, Datura stramonium, and Spathoglottis sp.; for details of inoculation procedures and results, refer to AH62+; OD65-107
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VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Spots and Their Meaning
Usually light-colored at first, they become elongated lengthwise, then somewhat depressed, later they darken, become necrotic and more depressed; one form on cattleyas produces a ring formation. A77-702
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VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Testing by Commercial Laboratory
Send a leaf or leaves with some visible symptoms, even the expert relies on them; the lower portion of maturing leaves can be sent to Florida West Coast Scientific Labs., address given above on this page; the charge is "low". A73-503
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