The Orchid Doctor Articles under the Heading Systemics

Systemics Comments
SYSTEMICS: Definition Insecticides and fungicides which are taken up through the tissue of plants and become part of the protoplasm and do not just form an outer coating. OA75-179; it's not a part of protoplasm. OWD 0
SYSTEMICS: For Scale Control Systemic sprays are not very effective because orchids grow too slowly to get a good "burst" of pesticide into the affected area; Cygon is the best for Boisduval scale but is not labelled for greenhouse use. A87-615 0
SYSTEMICS: Insecticides Commercial names include Actidione, Cygon 2E (Dimethoate), Di-Syston, Orthene, Meta-Systox-R, Temik. RMHOf limited effectiveness because orchids grow slowly and systemics are not much good, although Cygon 2E will penetrate the sheath of cattleyas and kill scale, etc. ; it takes months for a systemic to move from the roots to the top of the plant. A87-615; OIE85Jy-6 0
SYSTEMICS: Pesticides A product that has been recommended for years in Florida is Meta Systox-R25.4%. A87-1237 0
SYSTEMICS: Review For description, etc. of Di-Syston granules, Di-Syston cartridge, Meta-Systox-R sprays and Cygon spray, refer to C69-46+ see also Cygon 2E; Insecticides; Temik 0

New Topics

  1. didier fouquet asked question Looking to import Vanilla Pompona schiede in category General Discussion
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  3. Judy Rutz asked question Looking to purchase in category General Discussion
  4. Nicolaas Chomenko asked question E. veratrifolia or Tolu. Louise Elmore ‘Elsa’ in category Other Genera
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New Comments

  1. Mary Lane commented on member plant Den. Tianmu Canary by Terre Moore
  2. Pamela Stegmaier commented on member plant Rlc. Esther Costa var. Orange Fantasy by Mary Lane
  3. Mary Lane commented on member plant Rth. Linda Vee var. Kira - Cluster Orange by Mary Lane
  4. William Gorski commented on topic "Looking to purchase" by Judy Rutz
  5. Robert Rand commented on member plant Cattlianthe Auri Guis by Robert Rand
  6. Julie Ellner commented on member plant Phal. amabilis var. formosanum by Vickie Seibert
  7. Julie Ellner commented on member plant Rlc. Green Dragoon 'Mendenhall' by Jeanne Uzar Hudson
  8. Danielle Carbonneau commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  9. Barry J Silver commented on orchid Lyon. SunCoast Pink Passion
  10. Carol Holdren commented on topic "Phalaenopsis William Kistler?" by Nicholas Filannino