How to raise peanut bugs in summer? open your eyes and see what kind of insects to eradicate.

In summer, the temperature is getting higher and higher, friends who love to grow flowers should prevent the emergence of small pests at home, such as longevity flowers that we often raise, what symptoms are easy to appear? in fact, this is also a problem that many potted flowers are prone to. Let's talk about it today.

1. Leaf spot

The leaves of longevity flowers show small brown patches, which slowly become more and more, and will spread to other leaves until the whole leaf is necrotic and shedding, which is the manifestation of leaf spot disease.

Reason

Leaf spot disease is mainly caused by excessive humidity of basin soil and poor ventilation, so to prevent longevity mosaic spot, we should pay attention to clean up the rotten leaves on the surface of basin soil, more ventilation, and bask in the sun in spring and autumn.

Solve

If potted flowers accidentally get leaf spot, if the symptoms are mild, you can use carbendazim to spray leaves or irrigate roots, once a week, usually two or three times, if it is too serious, use methyl topiramate to spray or irrigate, carbendazim prevention, methyl topiramate treatment, and then you can take off the pot, soak it with fungicides and change the pot.

2. Black rot

In summer, the weather is too hot, many potted plants will get black spot, longevity flowers will also get black rot. The black rot will gradually move up until the whole longevity flower is rotten.

Reason

The reason is high temperature, dampness and too much watering, which leads to black rot in the roots.

Treatment

The incidence rate of black rot of longevity flower is very fast. Once the black rot of root is found, healthy branches should be cut off for cutting as soon as possible. Some people will pour fungicides on longevity flowers when they get black rot, and it turns out that once black rot is gone, no matter how many fungicides they pour have no effect.

3. Powdery mildew

Powdery mildew is very common, many domestic flowers will be attacked by powdery mildew, unable to prevent. The symptom of powdery mildew of longevity flowers is that some white powdered things will grow on the leaves and stems, which can not be erased or washed off, making longevity flowers soft and without spirit.

Treatment

Longevity flower powdery mildew is also a fungal disease. once it is found that it is sprayed with potassium permanganate solution, the disease can be controlled. If powdery mildew is already serious, you can only use other drugs, such as sulfur powder. Sulfur powder is very effective in the treatment of longevity flower powdery mildew, sprinkling on the surface of the basin soil, and smearing sulfur powder on the stems and leaves with powdery mildew.

4. Red spider

Red spider is the most common pest that infects longevity flowers. At first, cobwebs are occasionally seen on longevity flowers, while there are bright dots on the back of longevity flowers. At this time to start to find out if there are red spiders, do not wait until the whole longevity flower has been the scourge of red spiders.

Treatment

If you find a red spider, you can spray it with medicine, for example, to protect the flower god, which can be cleaned up once or twice in the first time. When the air is too dry, it is easy to breed red spiders, so often spray water on the leaves of longevity flowers to prevent the growth of red spiders.

5. Aphids

Aphids are the most common among our flower-growing friends. If the longevity flower grows aphids, it will be densely harmful to the young leaves at the top. Will also be effective flying insects, a large number, very annoying

Treatment

A small number of aphids can be carefully pressed to death, if there are a large number of aphids, it is best to spray them with omethoate or chlorothalonil. There are some ways to treat aphids without drugs, but they are not too thorough and cannot be eradicated. If you want to eradicate them, it is more appropriate to use drugs.

In addition to the above diseases and insect pests, longevity flowers will also get mosaic disease, leaf green insects, scale insects, etc., when conservation must be more observation, early detection, early removal. Now that it is summer, rising temperatures will make bacteria and insect pests active. Ventilating longevity flowers is the best way to prevent insect pests!