The Orchid Doctor Articles under the Heading Color Break

Color Break Comments
COLOR BREAK: Caused by Other Than Virus Some plants produce abnormal flowers with a white or light wedge in a petal and may do so every few years. A66-134; OD71-199 0
COLOR BREAK: From the Jungle Aphid-transmitted virus has been observed in cattleyas imported from tropical America. OIE86Sept-16 0
COLOR BREAK, MILD: Caused by Both Major Virus Infections Chlorotic streaking appears in new leads, disappears in mature leaf; an illusive disease; plants can act as carriers to other plants where symptoms become more readily noticeable. A73-818; N322 0
COLOR BREAK, SEVERE: In Cattleyas Another disastrous disease caused by "severe color break disease"; color is patchy with ugly areas of pigmentation; it sometimes deforms flowers; plant is also affected -- new leads appear with rosy mottling, or leaves show raised ridges and bumps, perhaps are twisted. A73-819; B46; BU57 0
COLOR BREAK, SYMMETRICAL: In Cattleyas Dark pigment outlines sepals and covers all but the median area of the petals; it is a virus. N322 0
COLOR BREAK: Virus Induced in Cattleyas Cymbidium mosaic virus does not cause color-breaking; tobacco mosaic virus orchid strain induces it; illus. of infected flowers; diagrammatic plant with locations of virus. A70-395; BU57; OD71-199; S208 0

New Topics

  1. Pam Alexander asked question How to repot a Mattie Shave in category General Discussion
  2. Rae Walker asked question Name help in category General Discussion
  3. John Small asked question Schomburgkia, species or hybrid in category General Discussion
  4. Robert H. Findlay asked question Help with ID of this Eria sp. in category General Discussion
  5. Osura Mindula Gunasena asked question Help to Identify the Id of this Vanda in category General Discussion

New Comments

  1. Carol Holdren commented on topic "How to repot a Mattie Shave" by Pam Alexander
  2. Frank Cambas commented on member plant Zns. Cynosure var. Blue birds by Ben MG
  3. Robert H. Findlay commented on topic "Lady Bug or dangerous bug" by John Small
  4. Robert H. Findlay commented on topic "Help with ID of this Eria sp." by Robert H. Findlay
  5. Carol Holdren commented on topic "Name help" by Rae Walker
  6. Carol Holdren commented on member plant Dtps. Younghome Little Spirit by Heather A
  7. Sara D commented on member plant Den. Green Mist by Sara D
  8. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D
  9. Sara D commented on member plant Pot. Marie Yellow Bird var. Love Love by Sara D
  10. Carol Holdren commented on topic "Help to Identify the Id of this Vanda" by Osura Mindula Gunasena