Orchid doctor

MALATHION: Safe Dose for the Immersion of Plants

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
Use 1.5 tpg. of 50% liquid, or 2 ttpg. of the 25%WP. A77-1101
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Malathion

Malathion Comments
MALATHION: Combines with Fungicides Both Benlate and Manzate can be combined with it. A73-991 0
MALATHION: Effectiveness on Spider Mites Questioned The residual action is short-lived, but with a wetting agent the spray is effective when used repeatedly to break the mite cycle; other better miticides are available. A76-1007 (see Miticides) 0
MALATHION: Insecticide/miticide A stomach and contact poison; recommended for springtails, red spider mites, aphids, mealy bugs, ants; apply at 1 ttpg. weekly; has an LD-50 of 880 mg. A71-894; OD65-168 0
MALATHION: Insects Apparently Immune Try adding a wetter-sticker at the rate of 1/2 tpg. to the Malathion spray of 1.5 tpg. A75-500 0
MALATHION: Never Take it for Granted The most frequently recommended insecticide but do not take it for granted; it is a poison; it will harm some flowers; it will spot some masdevallias; drops of the spray produce burns on cattleyas, miltonias and others. A73-713 0
MALATHION: Organophosphorous Compound It is effective against aphids, thrips, mealey bugs, scale insects, and fungus gnats; has a short residual action. AH13 0
MALATHION: The 25w Type A wettable powder, it should be used at 2ttpg plus 1/4 to 1/2 of a teaspoon of wetting agent for best effect. A82-1178 0
MALATHION: Toxicity Reactions in Humans Nausea, vomiting, diarrhea, salivation, nasal discharge, congestion, nervousness, tremor, dizziness and convulsions. A68-583 0

New Topics

  1. Marilynn Davis asked question Can grow light cause deformed leaves? in category General Discussion
  2. George Su asked question New Intergeneric Orchids in category Other Genera
  3. Robert Scully asked question Searching for a special hybrid in category General Discussion
  4. Edward Zapata asked question Cymbidium breeding info? in category General Discussion
  5. Hfs photo Henry Shaw started topic Missing Gan Lin phal variety in category General Discussion

New Comments

  1. Iggy9 Sharie Heckaman commented on member plant C. amethystoglossa var. salmonea by Jorge Nascimento
  2. Image Carol Holdren commented on member plant C. skinneri by Roberto Lizama
  3. Stefan Neher commented on topic "New Intergeneric Orchids" by George Su
  4. 92f7c225 2490 4d3b 822c 2f4b8f30d6b8 Mary Lane commented on topic "Orchid not found in Orchids.Org" by Mary Lane
  5. Iggy9 Sharie Heckaman commented on article "Catasetum lendarium nv. sp 2020" by Ariel Blind
  6. Marilynn Davis commented on topic "Can grow light cause deformed leaves?" by Marilynn Davis
  7. Daniel Mumau commented on orchid Lc. Lancer
  8. Edward Zapata commented on topic "Cymbidium breeding info?" by Edward Zapata
  9. Stefan Neher commented on orchid Bl. Joanne Singer
  10. Stefan Neher commented on article "BLACK ROT: Pythium Ultimum" by Robert M. Hamilton (Compiler)