Orchid doctor

INSECTS: Resistance and Persistence

Ailments Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 2 years ago.

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For reasons why insecticides become tolerated by insects, refer to OD69-309+
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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: Control with "safe" Insecticides 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+ 0
INSECTS: In Florida For a four-page list of arthopods (insects, arachnids) reported found on orchids, refer to DK25+ 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

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  1. Ashley Matherne asked question orchid search in category Cattleya Alliance
  2. Elizabeth Padilla asked question Help with ID, Please & Than You! in category Dendrobiums
  3. Moises Viana asked question I need help identifying this orchid in category General Discussion
  4. Polina Alexander asked question Anyone has Happy Valentine for sale or trade? in category Phalaenopsis
  5. Gabriel Simões asked question I need help identifying this plant in category General Discussion

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  1. Image Carol Holdren commented on topic "Help with ID, Please & Than You! " by Elizabeth Padilla
  2. Image Carol Holdren commented on topic "orchid search" by Ashley Matherne
  3. Edward Zapata commented on member plant C. purpurata var. Flamea x sanguinea by Carol Holdren
  4. Moises Viana commented on topic " I need help identifying this orchid" by Moises Viana
  5. Image Carol Holdren commented on topic "I need help identifying this plant" by Gabriel Simões
  6. Robert H. Findlay commented on orchid Mps. Jefferson Pérez
  7. Edward Zapata commented on member plant C. Sir Jeremiah Colman 'Blue Moon' by Edward Zapata
  8. 2017 jim bio Jim Roberts commented on member plant B. Myakka Stars by Carol Holdren
  9. Lucas C commented on orchid Acia. strupifolia
  10. Arne Schon commented on member plant Psh. mariae by Arne Schon