CYGON 2E: Injury to Plants

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 9 years ago.

Article Blog   Article Index
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
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: Damage to Plants Claimed It consistently caused injury to Dendrobium moschatum, Den. pulchellum and a few others. A77-905 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. Kristin Dorris asked question Odontocidium Orchid fungus? in category General Discussion
  2. Maria Fernandez asked question Wild. Lisa Devos in category Dendrobiums
  3. Leshya Perkins asked question Image of a plant please in category General Discussion
  4. Danny Lyon asked question Phaius bernaysii in category General Discussion
Ask a Question

Start a Topic

New Comments

  1. Michael Valcarcel commented on member plant Rlc. Montana Spirit by Michael Valcarcel
  2. Michael Valcarcel commented on member plant Ctt. Blazing Sun by Michael Valcarcel
  3. Michael Valcarcel commented on member plant Bc. Spotted Clown by Michael Valcarcel
  4. Maria Skrypnyk commented on member plant Yamadara Redland Sunset by Maria Skrypnyk
  5. André Pessina commented on topic "Odontocidium Orchid fungus?" by Kristin Dorris
  6. Linda Hartman commented on topic "Image of a plant please" by Leshya Perkins
  7. Paul Reavis commented on orchid Milt. Kismet
  8. Christiaan Viljoen commented on member plant Psh. fragrans by Christiaan Viljoen
  9. Christiaan Viljoen commented on member plant Z. maculatum by Christiaan Viljoen
  10. Christiaan Viljoen commented on member plant C. Gaskell-Pumila 'Azure Star' by Christiaan Viljoen
  11. Robert H. Findlay commented on member plant Rlc. Joy Sokabe var. Volcano Queen by Sally K
  12. James Lunsford commented on member plant Lc. Sagarik Wax 'African Beauty AMO/AOS x Blc. Cherry Suisse'Kauai' HCC/AOS var. Cattlyea 'Hybrid ' by James Lunsford
  13. John Varigos commented on orchid Bulb. schwarzii
  14. Linda Hartman commented on topic "Issue with Blc. Ben O'Neil "Jubilee" by Glenda Ratliff
  15. Henry Shaw commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  16. Mary Lane commented on member plant Den. Tianmu Canary by Terre Moore
  17. Pamela Stegmaier commented on member plant Rlc. Esther Costa var. Orange Fantasy by Mary Lane
  18. Mary Lane commented on member plant Rth. Linda Vee var. Kira - Cluster Orange by Mary Lane
  19. William Gorski commented on topic "Looking to purchase" by Judy Rutz
  20. Robert Rand commented on member plant Cattlianthe Auri Guis by Robert Rand