What should we do if the leek lotus grows insects? pest control of leek lotus / green wax cicada spray dichlorvos

Leek lotus, heard the name thought is leek, in fact, it is a beautiful potted plant, loved by many people. In life, there are many people who raise leek lotus, but in the process of breeding, because of improper maintenance, leek lotus will cause disease and insect damage, thus affecting the ornamental. So, what should we do if the leek lotus grows worms? The following are the diseases and insect pests of 4 kinds of leek lotus, with control methods, let's go and have a look.

First, leek lotus worm, spray with medicine

The beauty of leek lotus lies in its beautiful flower shape and bright color. However, because most of the newcomers raised it, they did not maintain it in accordance with the breeding method of leek lotus, resulting in the emergence of diseases and insects. As for what to do when the leek lotus grows worms, we first identify the pests, and then solve the problem. In this regard, the editor summarized the diseases and insect pests of four kinds of leek lotus, and attached control methods, we went on to look at.

II. Disease and pest control of leek lotus

1. Green wax cicada

In life, many people keep leek lotus. But in the process of raising, many flower friends will find their own leek lotus, with white bugs like cotton, and this is the blue wax cicada. The insect mainly feeds on the sap of branches and shoots, resulting in poor plant growth.

Control method: when the green wax cicada is relatively few, it can be caught manually; when there are many pests, it can be controlled by spraying 1000 times of dichlorvos. It is worth noting that the adults of the green wax cicada have a strong jumping nature and are easy to spread around, so flower friends should take joint prevention and control.

2. Leaf spot

When the indoor temperature fluctuates greatly in the short term, or too much watering during the dormant period, leek lotus is easy to suffer from leaf spot disease. Symptoms: in the early stage of the disease, leek lotus leaves will appear many small brown spots, in serious cases, spots will spread throughout the leaves.

Prevention and control methods: timely removal of diseased leaves and centralized destruction, in order to reduce the source of the disease; spray 65% Dysen zinc 500 times or 25% nitrilazol EC 800 times to prevent and cure the disease, spraying twice every 10 to 15 days can be effective. Pay attention to the alternate use of the two agents during spraying to avoid drug resistance of bacteria.

3. Dry rot

Dry rot, also known as Fusarium wilt, is one of the common diseases of leek lotus, mainly harmful to bulbs, but also to leaves, flowers and roots. When the corm is injured, the surface will appear watery reddish brown to dark brown spots, when the disease is serious, the whole bulb becomes dark brown and dry rot.

Prevention and treatment: after the above symptoms are found, spray 50% of Dyson zinc solution in time, once every 7 days, 3: 5. At ordinary times, we should control the content of nitrogen fertilizer and apply more phosphorus and potassium fertilizer to enhance the disease resistance of the plant.

4. Spot disease

In the prevention and control of diseases and insect pests of leek lotus, spot disease is also need to pay attention to, it mainly harms leaves, but also can harm twigs. Disease symptoms: at the initial stage, the leaf surface of leek lotus appeared near round brown water-immersed spots, and then expanded into oval to amorphous; in severe cases, the disease spots converged, so that the leaves locally withered.

Prevention and treatment: when the above symptoms occur, remove the diseased leaves immediately to reduce the source of the disease; then, spray once with 65% Dysen zinc wettable powder 500 times dilution to prevent spread.

Generally speaking, leek lotus is very easy to raise, but to ensure that it is not affected by diseases and insect pests, this is not what all people can do. Therefore, for its healthy growth, we should remember the above leek lotus disease and pest control methods, when the disease and insect pests really appear, good prevention and control immediately. Only in this way can your leek lotus blossom with beautiful flowers.

What to do with the growing insects of Baolinhua? pest control of Baolinhua / 4 insect pests 1 disease

When we breed Baolianhua, 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 beautiful plant shape, but also lead to plant death when it is serious. What should we do if the Baolian flower grows? What should be done to prevent and control diseases and insect pests of Baolinhua? Next, the editor will take you to learn about it.

First, what to do when the worm grows in the lotus flower? find the reason.

If you want to know what to do with the Baolinhua insect, we must first understand what kind of insect it is, and then we can deal with it pertinently, because different pest control methods are also different. in the following, there are various pest control methods for Baolinhua, and friends who are troubled in this respect can come to know about it.

II. Disease and pest control of Baolian flower

1. Nocturnal moth

Nocturnal moth is a plant-eating pest of Lepidoptera. It mainly harms the leaves and flowers of Baolianhua. Its larvae will constantly bite the leaves and flowers, resulting in many holes on them, which seem to affect the ornamental quality. In serious cases, it can also lead to plant death.

Control method: for this pest of Baolinhua, we can use 2.5% trichlorfon powder or 1.5% parathion (1605) powder to directly spray.

two。 Red spider

Among the diseases and insect pests of Baolinhua, the red spider has a relatively high incidence, and its high incidence period is in the summer every year, so at this time, we must pay special attention to the fact that when this kind of pest occurs, the leaves of the plant will gradually turn yellow and whiten, and if it is not treated for a long time, it will also lead to the phenomenon of plant wilting.

Control method: when we deal with the pest of red spider, we can directly use 40% diclofenac EC 1000-1500 times to spray, generally three times in a row can completely kill this pest.

3. Shell worm

The scale insect is a kind of insect of Homoptera, which is harmful to many plants, and the lotus flower is no exception. It will be extremely strong in the branches, leaves and fruits of the plant all its life, resulting in yellowing leaves, plant weakness and, in serious cases, plant death.

Control methods: when we deal with the diseases and insect pests of this kind of lotus flower, the most direct method is to use 1000 times of omethoate or 2.5% deltamethrin 3000 times to spray the pests.

4. Aphids

Aphids are relatively common herbivorous insects, with more than 4000 species in the world. Their body length is often less than 10 mm, so it is difficult to find. They leave honeydew on the leaves of the plant and suck the sap of the leaves, causing the leaves of the lotus to wither, turn yellow, lose their luster, and cause diseases such as coal fouling.

Control method: in view of the diseases and insect pests of this kind of lotus flower, we can directly use 2.5% methamphetamine emulsion 3000 times to spray and kill it.

5. Soft rot

Among the diseases and insect pests of Baolinhua, soft rot is a relatively common disease. During the onset of the disease, many water-like spots will appear on the roots of the plant, and the rhizome will gradually rot and emit a stench with the passage of time. Finally, it gradually rots to death.

Prevention and treatment: in the prevention and control of this disease, we can use 38% cuproloxil diluted by 1000 times to carry out root irrigation treatment, generally once a week, after 2-3 times can be prevented.

What should we do if the insect grows? disease and pest control of Citroe taro / 1 insect pest 3 diseases

In the process of cultivating Citroe taro, the last thing we want to encounter is the problem of diseases and insect pests, which do great harm to the plant, not only affect the ornamental, but also cause it to die gradually. So what should I do if the worm grows on the Citroe taro? What do you need to do to control the diseases and insect pests of Cedar taro? Next, the editor will take you to learn about it.

First, what to do when the worm grows on the Citroen taro? find the reason.

If you want to understand what to do with the Citrobugs, first of all, we need to know what kind of insects are growing, so that we can deal with them pertinently, because the prevention and control methods of each kind of diseases and insect pests are different. The details are described in detail below, let's take a look at it.

II. Disease and pest control of Citroe taro

1. Shell worm

The insect insect usually occurs in a poorly ventilated and dimly lit environment, which mainly harms the leaves, branches and fruits of Citromorpha. At the beginning, the leaves will turn green and yellowing, and with the passage of time will lead to the gradual death of the plant.

Control methods: in the control of this kind of snow iron taro diseases and insect pests, if there are few pests, we can use transparent tape to remove the pests, and then disinfect the plants. If there are a lot of pests, we can use 20% chlorpromazine wettable powder 1000 times for direct spraying.

two。 White silk disease

White silk disease is a kind of disease caused by fungi, which mainly harms the seedlings and rhizomes of the plants. when the disease occurs, the affected parts will appear water-stained yellow-brown wet rot, and the surface will be covered with white silk-like hyphae, and will spread gradually. it is best to cause the whole Citrus to wilt and die.

Control method: when dealing with the diseases and insect pests of this kind of Citrus, we can use 50g of 25% verapamil wettable powder and add water 50kg to irrigate the roots of the diseased plant, usually once every 10 days, 1-2 times later can be cured.

3. Brown spot disease

This disease mainly harms the leaves of the plant, like its name, there will be many brown disease spots on the leaves, and will gradually spread with the passage of time, resulting in the gradual death of the plant.

Control method: in view of the diseases and insect pests of this kind of Citrus, we can use 40% chlorothalonil suspension 500 times to spray the diseased plant, generally spraying once every 10-12 days, about 3-4 times can be cured.

4. Root rot disease

Root rot is a disease with high incidence in spring. At this time, we should pay special attention to this disease. This disease mainly threatens the root of Citroe taro, causing root rot, weakening its function of absorbing water and nutrients, and finally leading to the death of the whole plant.

Control method: when preventing and controlling the diseases and insect pests of this kind of Citrus, we can use metachlorin or copper preparation to treat the diseased plants.