Orchid doctor

CYGON 2E: Compared with Cygon 4e

Ailments Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

Article Blog   Article Index
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)
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: 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. Jan Andersen asked question Article references? in category General Discussion
  2. Stephen Hodgson asked question Care of Dracuvallia Gualaquiza in category General Discussion
  3. Diane Decoene asked question The Decoene Orchid in category General Discussion
  4. Robert H. Findlay started topic Dif between member photo and "official" photo in category General Discussion
  5. John Small started topic Fungus? Bacteria? Virus? Nothing to worry about? in category Orchid Doctor

New Comments

  1. Mary Lane commented on member plant Den. Emma White by Mary Lane
  2. Carol Holdren commented on topic "Care of Dracuvallia Gualaquiza" by Stephen Hodgson
  3. Carol Holdren commented on topic "Article references?" by Jan Andersen
  4. Carol Holdren commented on member plant Odcdm. Sunlight 'Pesky Panther' by Colin Campbell
  5. Carol Holdren commented on topic "The Decoene Orchid " by Diane Decoene
  6. Alex Maximiano commented on member plant V. bicolor var. Michael Collin by Susan Satterfield
  7. Stefan Neher commented on article "PLEIONES: Starting" by Robert M. Hamilton (Compiler)
  8. John Small commented on topic "Fungus? Bacteria? Virus? Nothing to worry about?" by John Small
  9. Carol Holdren commented on topic "Potting medium" by Richard Sherer
  10. Carol Holdren commented on topic "Dif between member photo and "official" photo" by Robert H. Findlay