Prevention: Remove old leaf and flower sheaths to eliminate hiding places and allow easy inspection.
Check new plants carefully before adding to the growing area.
Symptoms: Aphids are sucking insects that attack buds, flowers and new growths and transmit disease from plant to plant.
What is the best fungicide for orchids?
Drenches of a protectant fungicide such as Truban or Terrazole are recommended if the disease is diagnosed early. For more advanced cases, a systemic fungicide such as Aliette or Subdue is more effective. Captan, Dithane M-45 and Physan 20 have also been recommended by some growers for control of black rot.
How do you treat an orchid disease?
You can treat small pest problems on some orchids by dabbing the pests with a cotton swab that’s been dipped in rubbing alcohol, mixed with dishwashing liquid ( preferably Dawn). For larger infestations, you can wash the plants with water or use a horticultural oil or soap spray that’s safe for use on orchids.
What are the bugs on my orchid?
Mealybugs are serious pests of orchids and next to scale insects are probably the most difficult to control pests of orchids in homes and greenhouses. The damage done to plants by mealybugs is considerable, causing a loss of vigor and a weakening and loss of leaves, buds, and flowers through their feeding.
How do I get rid of wooly aphids on my orchid?
To protect your plant from orchid pests, perform regular inspections, especially on the leaves’ undersides. Should you spot an aphid—recognizable by its pear-shaped body—begin a treatment with insecticidal soap and a water spray to knock them off the leaves.