APHIDS: Toxicity of Controls

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 8 years ago.

Article Blog   Article Index
In increasing degree of toxicity to the user: malathion (LD50=2 oz.) dimethoate and lindane (1/2); and too toxic to be recommended was demeton (8 drops). A68-582
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Aphids

Aphids Comments
APHIDS: Characteristics and Controls They feed on buds and flowers, are common on cymbidiums; winged forms can reinfest continually so systemic insecticides which last a month are preferred; use dimethoate (Cygon), Meta-systox and Temik. AH4; use Malathion, N329; in Florida, two kinds named, seven controls listed, DK10+, S190; use Meta-Systox-R, or Zectran, C73-22; OR74-227; OR74-230 0
APHIDS: Control by "lady Bugs" They will not control an infestation. A74-708 0
APHIDS: Control on Cymbidium Flower Buds If black or brown, spray with Malathion 1 to 1.5 tpg. or, with Cygon 2E at 2 tpg.,; or, Lindane liquid concentrate at 1.5 tpg,; if aphids are green Lindane may be best. A72-534 0
APHIDS: Controls A common aerosol insecticide spray is satisfactory; use Raid and stand back several feet from plants to be most effective; don11 use a commercial insect repellant because they damage buds and flowers. RMH; A85-99Malathion, Diazinon, Cygon, Parathions are used for controls in Hawaii. P69(l)-llOrthene WP is recommended. NZ86-194The easiest and least harmful way to clear buds is to rinse them with a mild solution of dish-washer soap (not detergent); a repeat may be necessary. A87-732; spraying on is easier than rinsing. RMHThe ingress of ants into the greenhouse can best be detected by means of sticky cards made of cardboard, etc., a foot square and painted yellow with the surface covered with Stickem, or simi lar adhesive, place them at strategic points and inspect them daily for signs of crawling or flying pests; can be cleaned with turpentine about monthly and used again. NZ87-65Use Malathion, it does not harm pets. A73-503; use a systemic insecticide. OD122; use Piramor 5gr.:3 gal.... 0
APHIDS: Controls on Cymbidiums and Reed Epidendrums 1 tpg. Malathion spray; on cymbidiums also Cygon 2.67E at 2 ttpg.; perhaps also on epidendrums. A67-498; A74-708 0
APHIDS: Description and Activity No controls given, refer to AH86-56 0
APHIDS: Small Soft-bodied Sucking Insects Yellowish, green or black; winged and wingless forms; multiply rapidly and spread thickly; cause puncture wounds on blossoms and distortion of growth; suspected of spreading virus; sometimes tended by ants; spray with malathion or Sevin or pyrethrum. A73-714 0
APHIDS: Virus Spreaders Aphids, scale and mealybugs spread most viruses increasingly harmful to orchids; aphids are the most active: Aphis gossypi is a spreader of 81 types of virus. A87-105 0

New Topics

  1. Rosemary Chenery asked question Lost tag in category General Discussion
  2. Glenda Ratliff asked question Issue with Blc. Ben O'Neil "Jubilee in category General Discussion
  3. Debbie Chase asked question Help identifying this orchid. in category General Discussion
  4. Harry Koplin asked question Snow birds dilemma. in category General Discussion
  5. didier fouquet asked question Looking to import Vanilla Pompona schiede in category General Discussion
Ask a Question

Start a Topic

New Comments

  1. James Lunsford commented on member plant Lc. Sagarik Wax 'African Beauty AMO/AOS x Blc. Cherry Suisse'Kauai' HCC/AOS var. Cattlyea 'Hybrid ' by James Lunsford
  2. John Varigos commented on orchid Bulb. schwarzii
  3. Linda Hartman commented on topic "Issue with Blc. Ben O'Neil "Jubilee" by Glenda Ratliff
  4. Henry Shaw commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  5. Mary Lane commented on member plant Den. Tianmu Canary by Terre Moore
  6. Pamela Stegmaier commented on member plant Rlc. Esther Costa var. Orange Fantasy by Mary Lane
  7. Mary Lane commented on member plant Rth. Linda Vee var. Kira - Cluster Orange by Mary Lane
  8. William Gorski commented on topic "Looking to purchase" by Judy Rutz
  9. Robert Rand commented on member plant Cattlianthe Auri Guis by Robert Rand
  10. Julie Ellner commented on member plant Phal. amabilis var. formosanum by Vickie Seibert
  11. Julie Ellner commented on member plant Rlc. Green Dragoon 'Mendenhall' by Jeanne Uzar Hudson
  12. Barry J Silver commented on orchid Lyon. SunCoast Pink Passion
  13. Carol Holdren commented on topic "Phalaenopsis William Kistler?" by Nicholas Filannino
  14. Carol Holdren commented on orchid Colm. Eric Gabriel Heines
  15. Carol Holdren commented on topic "Cattleya little susie" by Juliann Eckhard
  16. Carol Holdren commented on member plant Bc. Morning Glory by Chris Siolo
  17. R .Benson commented on member plant Kir. New Hybrid (Fred Clarke) SVO9831 by R .Benson
  18. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  19. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
  20. Jeanne Uzar Hudson commented on member plant Sns. gemmata by Jeanne Uzar Hudson