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. John Urey asked question Blooming Stenglottis Venus “jamboree “ in category General Discussion
  2. Claudia Young asked question RO system in category General Discussion
  3. Roberto Lizama asked question Help to identify in category General Discussion
  4. Tatjana Opekunova asked question Cattleya new roots and Flower buds in category Cattleya Alliance
  5. Mary Lane asked question Orchid roots .com site? in category General Discussion

New Comments

  1. R .Benson commented on member plant Kir. New Hybrid (Fred Clarke) SVO9831 by R .Benson
  2. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  3. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
  4. Jeanne Uzar Hudson commented on member plant Sns. gemmata by Jeanne Uzar Hudson
  5. Stefan Neher commented on topic "Orchid roots .com site?" by Mary Lane
  6. Kevin Barry commented on member plant Bul. Tammie Sue Pernas by Tony Pernas
  7. Linda Hartman commented on member plant Ctt. Final Blue by Linda Hartman
  8. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  9. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  10. Michael Makio commented on orchid V. Beatrice Makio