What should I do if the leaves of the rose have small holes all over them?
This article introduces the solution to the problem of small holes on the leaves of roses, which is sure to be helpful to you. Let's learn about it together!
What should I do if the leaves of the rose have small holes all over them?
During the peak season of flea beetles, this prevention and treatment is effective.
The other day, a flower lover asked, "The leaves of my rose have small holes bitten by insects, and I don't know how to deal with it." This phenomenon of small holes is not common in rose diseases and pests. Have you ever encountered it? See the picture below.
This kind of perforation on rose leaves often occurs when roses are infected with (T-J) disease or ulcer disease. However, the flower lover said that many small insects were found, which were bitten by insects. What kind of insects might they be?
Common insects that eat leaves usually start by eating the edges of rose leaves or eat the leaf flesh from the back of the leaves, leaving transparent damaged areas, as shown in the picture above. So what insect would directly bite small holes?
Actually, the insect is the striped flea beetle, a small beetle that is very common in autumn. It does not appear frequently on flowers, but most flower lovers who have grown caterpillars should have a deep experience with it. Every autumn, caterpillars sown early are eaten by unknown insects, leaving few intact leaves.
What should I do if the leaves of the rose have small holes all over them?
Besides the striped flea beetle, there are black flea beetles and blue flea beetles. Not only do the adults eat leaves, but they also lay eggs. After the eggs hatch, the larvae will also eat the leaf flesh on the back of the leaves, leaving only a layer of transparent epidermis.
Immediate treatment measures must be taken when flea beetles occur. If left untreated, the pest infestation will worsen the following year. To treat flea beetles, a complex insecticide can be used, which is more effective than a single insecticide.
For example, using bifenthrin and dinotefuran together for spraying has a significant therapeutic effect, or using dinotefuran and pyridaben can also treat it, but it is prone to resistance. For flea beetles that have developed resistance, thiacloprid and bifenthrin can be used, which have a special effect on treating flea beetles.
The detailed introduction brought by the Green Plant Enthusiast Network about what to do if the leaves of the rose have small holes all over them, hoping that everyone will like it!