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. Danielle Carbonneau asked question phalaenopsis, dendrochum and Odontoglossum in category Phalaenopsis
  2. Nicholas Filannino asked question Phalaenopsis William Kistler? in category General Discussion
  3. Mark Farran asked question How to open and read articles listed in category General Discussion
  4. Juliann Eckhard started topic Cattleya little susie in category Cattleya Alliance
  5. Shannon Gardea asked question NELLY ISLER in category General Discussion

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