SEPAL WILT: Premature Aging

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 4 years ago.

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For explanation of two similar conditions, refer to N309+
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More The Orchid Doctor Articles under the Heading Sepal Wilt

Sepal Wilt Comments
SEPAL WILT: Cattleyas The ends of cattleya sepals go brown and dry because of ethylene pollution in the air from automobile exhausts, etc.; perhaps from a defective heater; illus. A69-242; illus. A75-908; A77-437 0
SEPAL WILT: Cattleyas and Their Hybrids Cattleyas are the most sensitive of all in the whole plant kingdom to ethylene; one part in five hundred million parts of air can ruin sepals and eventually the whole flower. A73-905 0
SEPAL WILT: Cigarette Smoking in the Home Ethylene polluted air in the home gave short-lived flowers; after stopping smoking, longer lasting, larger blooms were realized. A74-134 0
SEPAL WILT: Ethylene Injury Prevention Silver ion (Ag+) is very effective in preventing dry-sepal (ethylene) injury on Cattleya flowers as it will protect them from doses 30 times as strong. Hort. science,1976-174 0

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  1. Carol Holdren commented on topic "sideways images" by Robert H. Findlay
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  4. Carol Holdren commented on topic "Arranges Elro" by Khanh tran
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  7. Lauren Hutchison commented on member plant Oip. Celtic Sun 'Maya' by Dex W
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  9. Lauren Hutchison commented on member plant Phal. OX Golden Apple 'Honeycrisp' by William Gorski
  10. Debbie Chase commented on topic "Help to Identify Orchid " by Debbie Chase
  11. Tien Pham commented on member plant V. Yip Sum Wah 'Flame' by Tanya Lam
  12. Carol Holdren commented on topic "Can someone give me the name of this orchid?" by Jean Seymour
  13. Carol Holdren commented on member plant Spathoglotis plicata (Ground Orchid) by Frances LaVigne
  14. Frances LaVigne commented on member plant Grt. Rosy Jewel var. alba by Frances LaVigne
  15. Barry Mellefont commented on article "ANTS: Nesting Between Osmunda and Bark Slab Requires Control Safe for Visiting Hummingbirds" by Robert M. [Bert] Hamilton (Compiler)
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  17. Frances LaVigne commented on member plant C. purpurata var. (flammea x sanguinea) by Carol Holdren
  18. Frances LaVigne commented on member plant Ascda. Kulwadee Fragrance by Frances LaVigne
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