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 5 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. Kim Loan T Nguyen asked question Brassolaeliocattleyamaianh in category General Discussion
  2. Paula Milano asked question Pot. Hawaiian prominence america red orchid in category General Discussion
  3. ETHEL HAY asked question Name of this orchid in category General Discussion
  4. Joe L asked question ID of this Oncidium? in category Oncidium Alliance
  5. Edward Zapata started topic Cymbidium Helen Bannerman in category General Discussion

New Comments

  1. Jan E Teitsworth commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  2. Carol Holdren commented on topic "Brassolaeliocattleyamaianh " by Kim Loan T Nguyen
  3. David garcia commented on member plant Myrmecophilia tibicinis stromburgkia trumpet player by David garcia
  4. Carol Holdren commented on member plant Bc. Maikai by William Gorski
  5. Joe L commented on topic "ID of this Oncidium? " by Joe L
  6. Robert H. Findlay commented on member plant Sngl. macloughlinii by Nicholas Stein
  7. Carol Holdren commented on topic "Name of this orchid" by ETHEL HAY
  8. Carol Holdren commented on topic "Pot. Hawaiian prominence america red orchid" by Paula Milano
  9. Carol Holdren commented on topic "Mystery Orchid" by David Hickman
  10. Edward Zapata commented on topic "Lady Bug or dangerous bug" by John Small
  11. Wyatt Parker commented on member plant Zygopetalum var. Big Red One by Wyatt Parker
  12. Carol Holdren commented on member plant Renantanda Sunrise 'Prasongs' by Andrew Chan
  13. Carol Holdren commented on topic "Dendrobium No I’d. HELP!" by Rae Walker
  14. Carol Holdren commented on article "CATTLEYAS: Control of Blooming Time" by Robert M. [Bert] Hamilton (Compiler)
  15. Carol Holdren commented on member plant Lc. Nice Holiday 'Suntopia' by William Gorski
  16. Robert H. Findlay commented on topic "Phragmipedium Cape Sunset or Eric Young?" by Darrin Duling
  17. Robert H. Findlay commented on member plant Phrag. Ecuagenera Dream by Robert H. Findlay
  18. Tatjana Opekunova commented on article "CATTLEYAS: Reasons for Non-flowering" by Robert M. [Bert] Hamilton (Compiler)
  19. Carol Holdren commented on topic "Need ID, Please" by Oliver Quin Surco
  20. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D