The Orchid Doctor Articles under the Heading Virus in Plants Named

Virus in Plants Named Comments
VIRUS IN PLANTS NAMED: Detector Plant Spathoglottis is sensitive to any virus; seedlings on exposure to virus denote its presence in four to six wks. after inoculation as diamond-shaped spots or rings; refer to N326 0
VIRUS IN PLANTS NAMED: In Cattleyas Descriptions of severe color break; mild flower break; symetrical flower break; blossom brown necrotic streak; leaf necrosis; severe leaf necrosis; cymbidium mosaic virus; cymbidium necrotic ring-spot; tobacco mosaics; for identification notes, refer to N321+Identification in cattleya types; the infection seriously reduces the keeping quality of the flowers. A73-208 0
VIRUS IN PLANTS NAMED: In Cymbidiums Cymbidium mosaic virus; necrotic ringspot; diamond mottle; bar mottle; odontoglossum ringspot; for notes on identification, etc., refer to N323+ 0
VIRUS IN PLANTS NAMED: In Dendrobium Ovules Cymbidium Mosaic virus is not transmitted in ovule culture, A79-1247 0
VIRUS IN PLANTS NAMED: In Paphiopedilums The signs vary; sometimes the whitish spots and streaks are elongated, sometimes relatively broad and whitish; Ref. A76-206. Please omit. Insofar as determined they are free of virus. OWD 0
VIRUS IN PLANTS NAMED: In Slc. Anzac While all plants may be suspect, some may not be; many plants with virus look quite healthy; sterililize everything that contacts a suspected plant; wash the hands that touch any cut surfaces or roots. A75-124 0
VIRUS IN PLANTS NAMED: In Wild Plants No Cymbidium Mosaic or Odontoglossum ringspot was found in 150 species in Florida and Guatemala, whereas 168 same or related plants from local growers in Florida showed 26% of them virused with rates in one collection as high as 69%. A79-26+ 0
VIRUS IN PLANTS NAMED: Not Affecting Flowers All plants of the original Oncidium Goldiana are infected with virus; this doesn't affect the quality of the flowers or the productivity. OR80-45 0
VIRUS IN PLANTS NAMED: Odontoglossum Ring-spot Virus Characteristics = it is limited mainly to Onc. (Rossioglossum) grande; causes leaf symptoms first as necrotic spots, enlarging to form necrotic rings; leaves turn yellow, drop prematurely; no flower symptoms. OD68-149 0
VIRUS IN PLANTS NAMED: Unsuspected in Popular Orchids In many commercial and private collections reed-stem epidendrums, including E. ibaguense, are infected with Cymbidium Mosaic virus and show only mild symptoms but they act as prime infectors of other plants; 21 other genera named. A65-19 0

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  1. Robert H. Findlay asked question Help with ID of this Eria sp. in category General Discussion
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  1. Robert H. Findlay commented on topic "Help with ID of this Eria sp." by Robert H. Findlay
  2. John Small commented on topic "Lady Bug or dangerous bug" by John Small
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  4. Carol Holdren commented on topic "Care for Myl Quest Fanguito " by Maricarmen Ferreira
  5. Roberto Lizama commented on topic "Help to idenficate this orchid" by Roberto Lizama
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