Orchid doctor

INSECTS: Control with "safe" Insecticides

Ailments Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 3 years ago.

Article Blog   Article Index
Leftover tobacco from cigarette butts has eliminated springtails (without regard for virus); rotenone and pyrethrum are sometimes considered harmless to warm-blooded animals; but note, this is hardly so because Pyrethrins have an LD-50 of 680, and Rotenone has an LD-50 of 132, compared to Malathion which has an LD-50 of 880! A65-713+
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Insects

Insects Comments
INSECTS: Control in Greenhouse by Predators Use of Lady-biEd beetles and Praying mantis claimed to be successful; refer to A69-606 0
INSECTS: In Florida For a four-page list of arthopods (insects, arachnids) reported found on orchids, refer to DK25+ 0
INSECTS: Resistance and Persistence For reasons why insecticides become tolerated by insects, refer to OD69-309+ 0
INSECTS: Small Flying and Leaping Insects A control for those found on plants left indoors during the summer: Cygon 2E, 2 tpg. as a heavy spray on medium surface. A74-595 0

New Topics

  1. Kevin Fernandez asked question Den.Keikis in category General Discussion
  2. Kevin Fernandez started topic Vandachostylis Prapawan in category General Discussion
  3. Holly Slimak asked question Mildred wieland in category General Discussion
  4. Ashley Gardner asked question Vanda David Gardner 'Ashley" in category General Discussion
  5. Jamaal Hooker asked question Endemic orchids in Puerto Rico in category General Discussion

New Comments

  1. Stephen Cowley commented on orchid Gym. nigra
  2. Image Carol Holdren commented on topic "Unknow orchid" by Kevin Fernandez
  3. Image Carol Holdren commented on topic "Yellow leaves" by Kevin Fernandez
  4. Image Carol Holdren commented on topic "Ruby Eyes ‘Tetra Baron’" by Michael Heffernan
  5. CASSIO VAN DEN BERG commented on orchid Psy. atropurpurea
  6. Alicia PANTANO commented on topic "Looking for Plant Identification" by Jeanne M Uzar
  7. John Marmaro commented on orchid E. mariae
  8. 2016 11 03 Jeanne M Uzar commented on member plant Pths. tribuloides by Jeanne M Uzar
  9. Image Carol Holdren commented on topic "details for care. Food, fan location etc" by Karen Kaye
  10. Edward Zapata commented on topic "Help with ID, Please & Than You! " by Elizabeth Padilla