How to deal with the long insects of the orchids, the pest control of orchids/2 pests 2 diseases

In the process of breeding ball orchids, the last thing people want to encounter must be such problems as diseases and insect pests. This problem not only affects beauty, but also poses a great threat to what the plants are, so what about the ball orchids? How to control the diseases and insect pests of orchids? Next, the editor will take you to learn about it.

1. What if the orchid grows worms?

II. Disease and pest control of orchids

Insect pest

1. Shell worm

The shell insect is a common pest among the diseases and insect pests of the ball orchid. It mainly feeds on the juice in the leaves of the ball orchid, and gradually absorbs it with mouthparts deep into the leaves, which leads to the phenomenon of ball orchid wilting due to lack of nutrients.

Control method: in the control of this pest, we can use 3% pyrethroid 1000 times solution to spray.

two。 Aphids

Aphids are a big pest in many plants, and orchids are no exception. it mainly threatens the seedlings of orchids, which will gradually suck the sap in the seedlings, resulting in the seedlings can not grow and die. It can be seen that the harm of aphids is still great among the diseases and insect pests of bulbous orchids.

Prevention and control methods: the harmful period of aphids is at the turn of spring and summer every year, so we must pay special attention to this period of time. When dealing with this kind of pest, we can use 1000 times of trichlorfon to spray. Generally, three times in a row can completely eliminate this pest.

Disease

1. Anthrax

Among the diseases and insect pests of orchid, anthracnose is a kind of disease with high incidence. At the initial stage of the disease, many black spots will appear on the leaves of orchid, and will spread gradually with the passage of time, and finally lead to the phenomenon of plant death.

Prevention and treatment: in the prevention and control of this disease, we can use 1000 times of methyl topiramate to spray orchids, usually once every 7-10 days, and can be basically cured after 2-3 times.

two。 Soft rot

The high incidence period of soft rot is in the summer every year, so during this time, we must pay special attention to the appearance of many watery spots on the leaves of orchids, which spread very fast. it will eventually lead to the phenomenon of rot and death of the plant.

Prevention and control methods: in the prevention and control of this disease must be timely, if the time is prolonged, it will be difficult to cure, we can use methyl parathion 1000 times spray to control orchids.

What about the growing insects of white orchids? control of diseases and insect pests of white orchids / 3 insect pests and 2 diseases

In the process of cultivating white orchids, the last thing we want to encounter is the problem of diseases and insect pests, because these problems do great harm to the plant, not only affect the ornamental, but also cause the whole plant to die, so what about the white orchid worm? What do you need to do to control diseases and insect pests of white orchids? Next, the editor will take you to learn about it.

First, what about the white orchid worm?

If you want to know what to do with white orchid worms, we must first understand what kind of insects grow, so that we can deal with them pertinently, because the prevention and control methods of each kind of diseases and insect pests are different. In the following, there are all kinds of pest control methods of white orchids. Friends with or without similar troubles can learn about it, after all, it is a precaution in the future.

II. Disease and pest control of white orchids

Insect pest

1. Red wax scale

The red wax scale is a relatively high incidence of diseases and insect pests in white orchids. It mainly absorbs the juice of the plant, and its excreta will also lead to coal fouling disease, resulting in a layer of black mold on the leaves, leading to the gradual weakening of white orchids. In serious cases, it may even cause it to fail to bloom.

Control method: in the control of this pest, we can use 1000 times of imidophos EC to spray the white orchid, we can spray once every 4-6 days, after three consecutive sprays, we can basically eliminate this pest.

two。 Red spider

Among the diseases and insect pests of white orchids, red spiders also have a relatively high incidence, and its high incidence period is around May every year, so we must pay special attention to it at this time. If this pest occurs in your white orchid, its leaves will gradually turn yellow and white, and finally wither gradually.

Control method: when controlling the pest of red spider, we can spray it with 2000 times EC, and after spraying, we have to disinfect the white orchid to avoid residual germs.

3. Blown cotton scale

Blow cotton scale is a kind of pest of Homoptera, this kind of pest is harmful to many plants, white orchid is also one of them, blow cotton scale mainly harms the leaf buds and branches of white orchid, it will gradually cause leaves yellowing, branches fall off, the whole white orchid will die in the eyes, which shows the great harm of cotton scale among the diseases and insect pests of white orchid.

Control method: in the prevention and control of this pest, if it is not serious, we can cut off the branches and leaves with eggs, of course, we can also use the most direct method, directly use 40% omethoate 1000 times liquid to spray it.

Disease

1. Anthrax

Among the diseases and insect pests of white orchids, anthracnose is a more common one. When the disease occurs, there will be many round brown spots on the leaves of white orchids, the size of which is 2-8mm, which will gradually spread over time, and finally lead to plant rot.

Prevention and treatment: in the prevention and control of this disease, we can use 70% anthrax Fumei 600 times solution to spray the diseased plants, usually once every 10-15 days, and then recover after 2-3 times.

two。 Chlorosis

Chlorosis is not as frequent as the above diseases and insect pests in white orchids, but it also has a certain probability. When this disease occurs, the leaves of white orchids will gradually lose green, and the leaf color will gradually change from green to yellow, and finally from yellow to white. In severe cases, the whole leaves will dry up and fall off.

Prevention and control methods: in the prevention and treatment of chlorosis, we can use the yellow leaf fast green plant antiviral compound nutrient solution of 500 times to spray the plant, once every 7-10 days, 2-3 times in a row can be cured.

Conclusion: after reading the above, I believe we all know how to solve the problem of white orchid worms. In fact, this kind of problem is mainly caused by improper maintenance. We still need to take a look at the cultivation methods of white orchids when we have time. There is a detailed conservation teaching. This is the end of the editor's introduction to the problem of pest control of white orchids. I hope I can help you all.

What about the growing insects of the orchid? pest control of the orchid / 2 insect pests and 3 diseases

In the process of cultivating magnolia, 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 appearance, but also cause it to wither seriously, so what about the magnolia worm? What should be done to prevent and control diseases and insect pests of Chinese orchids? Next, the editor will take you to learn about it.

First, what to do with the growing worm of the orchid?

If we want to know what to do with the magnolia insect, we first need to know what kind of insect it looks like, so that we can deal with it pertinently. There are two common pests in the orchid, whitefly and shell insects, in addition to many diseases. The pest control methods of these orchids are introduced below, so let's take a look at them.

II. Disease and insect pest control of Cymbidium

Insect pest

1. Whitefly

Whitefly is a small pest, but among the diseases and insect pests of orchid, it is one of the most harmful. This pest pays attention to eat the juice of orchid, and will gradually suck the juice in the stalk. This leads to the loss of a large amount of nutrients in the plant, and finally the phenomenon of wilting and death.

Control method: in the prevention and control of this pest, we can use 20% of the wettable powder solution to kill it, usually three times in a row can kill this pest.

two。 Shell worm

Scale insect is a kind of pest that occurs in many plants if they are not properly maintained, and the orchid is also one of them. it mainly harms the leaves, branches and fruits of the orchid, and it will gradually absorb the juice, thus causing the leaves to fall off gradually due to the loss of nutrients. in serious cases, it will also cause the plant to die.

Control method: the shell insect is a kind of pest with strong reproductive ability, so we must deal with the diseases and insect pests of this kind of orchid in time, and we can use 1500 times of malathion to spray.

Disease

1. White silk disease

White silk disease is a sclerotia disease, this disease mainly threatens the rhizome of the orchid, at the beginning of the disease, the base of the leaves will appear many white hyphae, the cortex of the base of the orchid will gradually turn brown, and finally gradually necrosis.

Control methods: in the prevention and control of diseases and insect pests of this kind of orchid, we can use pentachloronitrobenzene powder 500 times to irrigate its roots, once every 10 days, twice can be cured.

two。 Black spot disease

The high incidence period of this disease is in summer, so special attention must be paid to this season every year. At the beginning of the disease, many brown spots will appear on the leaves of the orchid. As the event goes on, the disease spot will gradually increase, and the color will gradually blacken, resulting in the death of the whole plant of the orchid.

Control method: when dealing with the diseases and insect pests of this kind of orchid, we can use 65% of Dysen zinc powder 600 times to spray the diseased plant, once every half a month, and then recover after 3 times in a row.

3. Soft rot

Among the diseases and insect pests of Chinese orchid, soft rot is a common disease. During the onset of disease, many water-stained 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.

Control method: in the prevention and control of this disease, we can use 38% cuproloxil diluted by 1000 times to carry out root irrigation treatment, usually once every 7-10 days, 2-3 times can be prevented.

Conclusion: after reading the above, I believe we all have a certain understanding of what to do with the growth of the orchid worm. in fact, this kind of problem is mainly caused by improper conservation. We can take a look at the cultivation methods of the orchid when we have time. There is detailed teaching. Needless to say, this is the end of the editor's introduction on the pest and pest control of orchids. I hope I can help you.