The Orchid Doctor Articles under the Heading Ring Spot

Ring Spot Comments
RING SPOT: On Odontoglossums A virus disease caused by Tobacco Mosaic Virus -- Orchid Strain, one of the two viruses common in orchids; Odontoglossum ring-spot virus is the same thing. A73-818 0
RING SPOT: Virus Shows up on leaves of Dendrobium antennatum but produces no floral abnormalities; a bacilliform virus. A74-529 0

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