30.7.11

Five Common Orchid Pests





Insects and their relatives cause most problems for orchid growers. Some of them may even carry diseases from one plant to another. This article will discuss five common orchid pests.


aphids


aphids are sucking insects that are some of the most orchid pests. One sign of aphid infestation is a set of tan color on plants. Leaves will also become covered with honeydew and buds and flowers will be slowed down or distorted. You simply wipe or spray them with water.


fungus gnats


fungus gnats are also common orchid pests. The larvae grow in potting media that is too wet, hot, or too fast decaying. To control these pests, make sure not to hold the flowers of the media is too wet and leave it to dry between watering. You can also use yellow sticky cards that are commonly used to control white flies.


Mealybugs


Some of the other species of orchid pests are mealybugs. They feed on the bracts and roots. They play year-round under greenhouse conditions. They cause the leaves turn yellow and drop early. Heavy infestations of mealybugs will weaken the plant and can even kill.


Mites


Dust mites are also orchid pests. These microscopic animals are killed cells of the surface layer of leaves. This causes the leaves to look silvery, especially on the bottom. May there also be yellow spots on top leaves. Mites can be difficult to weaken and disfigure the plant. To combat the mites, you should wash the plant thoroughly and wipe each leaf.


white flies


Some of the most recent common orchid pests are white flies. Like aphids, they are sucking insects, but a lot of white flies manje.Zaraza hardly weaken your plants. They are very difficult to control under greenhouse conditions. The only way to control them effectively use insecticides.


These are some of the most common orchid pests. If you see signs of infection, you should do something quickly to maintain the health of your plants.