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

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  1. Kim Loan T Nguyen asked question Brassolaeliocattleyamaianh in category General Discussion
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  3. ETHEL HAY asked question Name of this orchid in category General Discussion
  4. Joe L asked question ID of this Oncidium? in category Oncidium Alliance
  5. Edward Zapata started topic Cymbidium Helen Bannerman in category General Discussion

New Comments

  1. Carol Holdren commented on topic "Brassolaeliocattleyamaianh " by Kim Loan T Nguyen
  2. David garcia commented on member plant Myrmecophilia tibicinis stromburgkia trumpet player by David garcia
  3. Carol Holdren commented on member plant Bc. Maikai by William Gorski
  4. Joe L commented on topic "ID of this Oncidium? " by Joe L
  5. Robert H. Findlay commented on member plant Sngl. macloughlinii by Nicholas Stein
  6. Carol Holdren commented on topic "Name of this orchid" by ETHEL HAY
  7. Carol Holdren commented on topic "Pot. Hawaiian prominence america red orchid" by Paula Milano
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  10. Wyatt Parker commented on member plant Zygopetalum var. Big Red One by Wyatt Parker