CYGON 2E: A Systemic Insecticide, How to Apply

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
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
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: 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: Damage to Plants Claimed It consistently caused injury to Dendrobium moschatum, Den. pulchellum and a few others. A77-905 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. Robert H. Findlay asked question sideways images in category Site Navigation
  2. Khanh tran asked question Arranges Elro in category General Discussion
  3. John Small asked question Which is correct? in category General Discussion
  4. Jean Seymour asked question Can someone give me the name of this orchid? in category Phalaenopsis
  5. Debbie Chase asked question Help to Identify Orchid in category General Discussion

New Comments

  1. Carol Holdren commented on topic "sideways images" by Robert H. Findlay
  2. John Small commented on topic "Which is correct?" by John Small
  3. Mo Chen commented on member plant Holc. kimballianum by Mo Chen
  4. Carol Holdren commented on topic "Arranges Elro" by Khanh tran
  5. Fran Fassman commented on orchid E. Thomas Fennell
  6. Lauren Hutchison commented on topic "Unmatched Oncidium Alliance Orchid" by Colin Campbell
  7. Lauren Hutchison commented on member plant Oip. Celtic Sun 'Maya' by Dex W
  8. Lauren Hutchison commented on member plant Phalaenopsis Tristar by Lauren Hutchison
  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)
  16. Carol Holdren commented on member plant Bc. Jairak Kiku 'Jairak kiku' by Frances LaVigne
  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
  19. Melvin Waki commented on member plant Hwra. Lava Burst by Jeanne M Uzar
  20. Carol Holdren commented on member plant Den. Ruth Chun's Gemini by Melvin Waki