CYGON 2E: Damage to Plants Claimed

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.

Article Blog   Article Index
It consistently caused injury to Dendrobium moschatum, Den. pulchellum and a few others. A77-905
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Cygon 2E

Cygon 2E Comments
CYGON 2E: As a Regular Spray Use 3 tpg spray when temperature is below 70 Deg F. for control of scale and mealybug. A82-690 0
CYGON 2E: A Systemic Insecticide, How to Apply As a spray put 9 cc. in one gallon of water, or, 1 quart in 100 gallons of water; or, 2 ttpg.; reported injury to plants has not been proven out. A69-700 0
CYGON 2E: Compared with Cygon 4e Cygon 2E is 22% dimethoate and Cygon 4E is likely 43%; Cygon 4E is also a different formulation; avoid putting it on buds; it is often phytotoxic. A71-345; OD65-169(213) 0
CYGON 2E: Injury to Plants It has been reported for some plants; in the case of cymbidiums a breakdown of color was reported, but suspected as being virus; that should be tested before the spray in condemned. A87-33 0
CYGON 2E: Insecticide, Systemic Also called dimethoate or Rogor E 32%; control for mealy-bug, aphids, red spider mite; use 1.25 teaspoon per Imperial gallon of water; it is not compatible with Captan, Dithane, or copper mixtures; it is toxic to humans with an LD50 of 215 mg.; use protective clothing. RMHDimethoate; controls scale, etc., by spraying thoroughly. A80-110 0
CYGON 2E: Systemic Insecticide Now considered unsuitable for some orchids; those injured include calanthes, Cycnoches ventricosum, Den. phalaenopsis, Den. moschatum. Neomoorea irrorata; "please do not use it on orchids". A86-506; A85-1438 0
CYGON 2E: Systemic Insecticides It is the same as Cygon 2.67, or Dimethoate, or Meta-systox R. A76-795 0

New Topics

  1. John Small asked question Which is correct? in category General Discussion
  2. Jean Seymour asked question Can someone give me the name of this orchid? in category Phalaenopsis
  3. Debbie Chase asked question Help to Identify Orchid in category General Discussion
  4. Colin Campbell asked question Unmatched Oncidium Alliance Orchid in category General Discussion
  5. Maria Delaney asked question Double spikes on oncidiums in category Oncidium Alliance

New Comments

  1. Debbie Chase commented on topic "Help to Identify Orchid " by Debbie Chase
  2. Tien Pham commented on member plant V. Yip Sum Wah 'Flame' by Tanya Lam
  3. Carol Holdren commented on topic "Can someone give me the name of this orchid?" by Jean Seymour
  4. Carol Holdren commented on member plant Spathoglotis plicata (Ground Orchid) by Frances LaVigne
  5. Frances LaVigne commented on member plant Grt. Rosy Jewel var. alba by Frances LaVigne
  6. Barry Mellefont commented on article "ANTS: Nesting Between Osmunda and Bark Slab Requires Control Safe for Visiting Hummingbirds" by Robert M. [Bert] Hamilton (Compiler)
  7. Alex Maximiano commented on topic "Unmatched Oncidium Alliance Orchid" by Colin Campbell
  8. Carol Holdren commented on member plant Bc. Jairak Kiku 'Jairak kiku' by Frances LaVigne
  9. Frances LaVigne commented on member plant C. purpurata var. (flammea x sanguinea) by Carol Holdren
  10. Frances LaVigne commented on member plant Ascda. Kulwadee Fragrance by Frances LaVigne
  11. Melvin Waki commented on member plant Hwra. Lava Burst by Jeanne M Uzar
  12. Carol Holdren commented on member plant Den. Ruth Chun's Gemini by Melvin Waki
  13. Samuel Yanos commented on member plant Coel. rochussenii 'Waki' by Melvin Waki
  14. Mo Chen commented on member plant Den. longicornu by Mo Chen
  15. Yahoo Alex commented on member plant Habenaria Tanager by David Nickerson
  16. Adam Almeida commented on member plant Chz. Hsinying Pink Doll 'Hsinying' by Melvin Waki
  17. Alex Maximiano commented on member plant V. Boschii by Adam Almeida
  18. Carol Holdren commented on member plant Ar. graminifolia by Adam Almeida
  19. Melvin Waki commented on member plant Pol. neobenthamia by Adam Almeida
  20. Carol Holdren commented on member plant V. Nopporn White Diamond by Adam Almeida