How To Control Japanese Beetles On Blueberry Bushes
Try a homemade soap-and-water solution.
How to control japanese beetles on blueberry bushes. A simple solution of water and dish soap can suffocate Japanese beetles. Keep removing most of the beetles while leaving enough that other JBs think it a good place to congregate. This is good if you have a few trap plants to sacrifice to the beetles.
How do I protect my Japanese beetles from blueberries. Expert Response The challenge with spraying adult beetles is that you would need to spray every 3-4 days since Japanese Beetles can come from quite a distance to a food source. The grubs ingest the spores as they feed in the soil.
Fortunately the spores remain viable in the soil for years. If you see the beetles on your plant and you want to preserve the leaves Dr. They live beneath the soil and feed on the roots of grass and other plants.
He says Theyre not going to bite you theyre only interested in the plants. Mix the lime sulfur with 1 gallon of pure water and then pour some into a spray bottle. To control Japanese beetles combine several pest-control methods including manually removing the beetles from the plants using Japanese beetle traps and applying organic pesticides that are.
To control the beetles remove any infested fruit from the blueberry bush and pick up fallen plant matter from under the plant. Gore says to get the beetles off the plant. You can also use some DIY soapy water which is just 8 drops of dish soap and 1 cup of water.
Once JBs start eating on a plant they signal for others to join them. Fill a bucket with hot soapy water and hold it beneath the plants as you gently shake them. They are also stomach poisons so if beetles eat treated foliage they will also receive a higher dose.