What to do when the dragon spits beads to grow insects? control of seven kinds of diseases and insect pests / 4 insects and 3 diseases

As a common ornamental flower, the breeding method of dragon spitting beads is not difficult, and it is extremely beautiful, so it is kept at home by many people. But because there are so many rookies, they usually do not raise them according to the method in the process of breeding, resulting in the disease of plant worms. So, what should we do if the dragon spits beads and grows worms? In this regard, the editor summarized 7 kinds of common diseases and insect pests of dragon spitting beads, let's go and have a look!

First, the dragon spits beads and grows worms, spray with medicine

In the growth process of the dragon spitting beads, the plant will inevitably get sick. Among them, the main pests are leaf beetle, diamondback moth, shell insect and whitefly, and the main diseases are leaf spot, rust and mosaic disease, which will affect the growth of dragon spitting pearl. Therefore, as soon as it is discovered, it should be sprayed immediately for prevention and control. As for what kind of medicine should be sprayed, we go on to look at the pest control of dragon spitting beads.

II. Disease and insect pest control methods of dragon spitting beads

1. Leaf beetle

When it comes to the dragon bead-spitting beetle, the most common is the leaf beetle, which usually eats the leaves in summer, making the leaves beyond recognition and destroying the ornamental effect of the plant.

Control method: once a leaf beetle is found, it should be caught and killed immediately, and then 2.5% enemy kill 3000 times liquid should be sprayed to prevent the larvae from growing and harming the plant.

2. Diamondback moth

Diamondback moth, one of the main pests of dragon spitting beads, usually occurs from June to August, of which August is the most serious. The insect will gnaw on the leaves of Longtuzhu, causing damage to the leaves, and in severe cases, the leaves are reticulate.

Prevention and control methods: timely check the branches of dragon spitting beads in winter, find that the eggs are cut off in time, and remove the source of infection. When the larvae of diamondback moth are found, 1200 times of 80% dichlorvos EC or 1000 times of 50% phoxim EC can be sprayed for several times in a row.

3. Scale insects

When it comes to the dragon spitting bead worm, it is usually a shell worm. The insect is small and often gathers together, which mainly damages the leaves of the plant, affects the photosynthesis of the plant, and causes the leaves of the dragon to turn yellow, which hinders the ornamental.

Control method: when brown soft scale is found, it can be brushed off with a brush, and then rinsed with water; then 50% omethoate emulsion or 50% long-acting phosphorus can be sprayed, and the control effect can be achieved at one time.

4. Whitefly

One of the common pests that invade the dragon spitting bead, it is small in size, reproduces quickly, parasites on the phloem of the dragon spitting pearl and absorbs its juice. Whitefly ingestion of plant juices can cause leaves to fade, curl and shrink, and often become a vector of various toxins, causing other diseases.

Control methods: after the whitefly is found, the whitefly should be sprayed immediately. 1000 times of imidathion EC or 1000 to 1500 times of omethoate can be used to control whitefly. The best spraying time is in the early morning when adult whitefly activity is weak.

5. Leaf spot

When the indoor temperature fluctuates greatly in a short period of time, or too much watering during the dormant period, dragon spitting beads are easy to suffer from leaf spot disease. When the disease occurs, the dragon spit bead leaves will appear many small brown spots, in serious cases, spots will spread throughout the leaves.

Prevention and treatment: when the above symptoms are found, remove the diseased leaves in time and destroy them centrally in order to reduce the source of the disease; then chlorothalonil 800 times liquid, foliar spray, once every 7-8 days, 2-3 times in a row, can be basically cured.

6. Rust

One of the diseases and insect pests of dragon spitting beads, when the plant suffers from the disease, large rust-brown disease spots appear on the stem epidermis, and the leaves are crumpled.

Control method: cut off the diseased leaves in time to reduce the source of the disease and let it germinate new buds; then spray 12.5% uniconazole wettable powder 2000-3000 times, the control effect is excellent.

7. Mosaic disease

This is one of the main diseases of dragon spitting beads, which mainly harms leaves. Disease symptoms: in the initial stage, green horn-shaped disease spots will appear on the leaves of Longtuzhu, and then fade into brown; in severe cases, the plant is short, atrophied and yellowed, affecting flowering. Therefore, mosaic disease is also the reason why the dragon spits beads and does not blossom.

Prevention and control methods: once diseased leaves are found, they should be cut off in time so as not to attract insects to absorb juice and spread by friction. In addition, 40% omethoate 1500 times or 50% carbendazim wettable powder 2500 times were sprayed on the leaf surface.

With regard to the prevention and control of diseases and insect pests in dragon spitting beads, the editor has introduced this. I believe that if you encounter the dragon spitting beads or getting sick again, you should know how to do it! If you don't pay attention to it, dragon spitting beads are easy to be disturbed by diseases and insect pests, so we must take good care of them. as long as this is the case, bugs will not come to us. Finally, may all the dragons spit beads produce beautiful flowers.

How to do the dragon spitting beads long insects? pest control of dragon spitting beads / 2 insect pests 2 diseases

When we breed dragon spitting beads, the last thing we want to encounter is diseases and insect pests, this kind of problem is very harmful to the plant, which will not only affect its ornamental, but also lead to plant death. What about the dragon spitting beads and growing bugs? How to prevent and control diseases and insect pests of dragon spitting beads? Next, the editor will take you to learn about it.

First, what about the dragon spitting beads and growing bugs? find the reason.

If you want to know what to do with the dragon spitting bead worms, first of all, we have to understand what kind of insects grow on them, so that we can deal with them pertinently, because the treatment methods of each kind of diseases and insect pests are different, and the details are described in detail below. Friends who are troubled in this regard can learn about it.

II. Disease and pest control of dragon spitting beads (insect pests)

Shell worm

The shell insect is a kind of pest with high incidence in the process of dragon bead growth. it mainly harms the leaves, branches and fruits of the plant. it will live on the branches and fruits of the dragon beads for life, resulting in yellowing of leaves and withering of branches and shoots. In serious cases, it will also lead to the death of the whole plant.

Control method: when controlling the diseases and insect pests of this kind of dragon spitting beads, we can spray it with 1000-1500 times of the insecticide mixture of 40.7% Lesbon EC and 80% dichlorvos EC in the proportion of 1 to 1.

Whitefly

Whitefly is a very small pest, and the largest one is no more than 3mm. This pest mainly feeds on the juice of dragon beads, which will gradually ingest, resulting in a large loss of nutrients and finally withering, which is one of the most harmful diseases and insect pests.

Control method: the reproductive ability of this pest is very strong, so we must deal with it as soon as possible. We can use 1200 times of omethoate EC to spray it.

III. Pest control of dragon spitting beads (disease)

Leaf spot disease

Leaf spot disease is a relatively high incidence of diseases and insect pests in dragon spitting beads, and its high incidence period is from August to September every year, so we should pay special attention at this time. Leaf spot disease mainly threatens the leaves of the plant, when the disease occurs, there will be many round disease spots on the leaves, which will gradually expand with the passage of time, and finally cause the leaves to fall off gradually.

Control method: in the prevention and control of leaf spot disease, we can use 38% cuproloxil 800-1000 times to spray the diseased plant, spray once every 5-7 days, 2-3 times can be cured.

Powdery mildew

Powdery mildew is a disease caused by fungi. During the onset of the disease, many white powdery mildew spots will appear on the leaves of the dragon, which will gradually cover the whole leaf with the passage of time, affecting its photosynthesis and interfering with its normal metabolism. resulting in premature senility.

Prevention and control methods: for this kind of diseases and insect pests, we can choose to use 1000 times of 2% antimycin water agent or 15% trimethoprim solution, usually once every 3-6 days, 3-6 times in a row.

Prevention and control of main diseases and insect pests of dragon spitting pearl

Longtuzhu belongs to Verbenaceae, which can cause leaf spot disease, which is caused by the infection of half-known bacteria. At first, it was just a small brown spot. If it is not treated in time, it will produce large black spots, and the leaves will wither and yellow and die.

Therefore, once found sick, should immediately use chlorothalonil 800 times liquid, foliar spray, once every 7-8 days, 2-3 times in a row, can be basically cured.

The main pests are shell insects, whitefly and so on.

Prevention and treatment: can be sprayed with 1000 to 1500 times of omethoate. The leaves caused by alkali to the soil can not stretch normally, and the leaves are green and yellow, which can be irrigated with 0.2% ferrous sulfate solution. For mosaic disease and fungal disease, the diseased leaves should be removed in time, ventilation should be strengthened, and the disease can be controlled by keeping the leaves dry.