What to do with the growing insects of Cymbidium? pest control of Cymbidium / 3 insect pests 2 diseases

In the growth process of Cymbidium, the last thing we want to encounter is diseases and insect pests, this kind of problem is very harmful to the plant, if it is not dealt with in time, the plant will gradually die. So what should we do if the Phoenix tail orchid grows worms? How does the pest control of Phoenix tail orchid need to be done? Next, the editor will take you to learn about it.

First, the Phoenix tail orchid grows worm how to do, look for the reason

If you want to know what to do with the Phoenix-tailed orchid worm, first of all, we need to understand what kind of insect is growing, so that we can carry out targeted treatment, because the prevention and control methods of each kind of diseases and insect pests are different. Details are described below, let's take a look at it.

II. Pest control of Phoenix tail orchid (pest)

1. Whitefly

The whitefly is a kind of small pest, which is very harmful to the diseases and insect pests of Cymbidium. This pest mainly feeds on the juice of Cymbidium, and gradually absorbs the juice in the stem, resulting in a large loss of nutrients and finally withering.

Control method: when dealing with the diseases and insect pests of this Phoenix-tailed orchid, 20% of the wettable powder solution can be directly used to spray and kill it.

two。 Shell worm

Among the diseases and insect pests of Cymbidium, the shell insect is a kind of great pest, which mainly harms the leaves, branches and fruits of Cymbidium, resulting in its leaves gradually yellowing and falling off, and finally the whole plant will gradually wither.

Control methods: in the control of this pest, it must be timely, if the time is long, it will be difficult to completely cure, in the treatment, we can use 1000 times liquid of imidophos to directly spray it.

3. Nocturnal moth

Nocturnal moth is an insect of Lepidoptera. It is a phytophagous pest. It mainly bites the leaves and eats buds of Cymbidium. In serious cases, it eats the leaves or destroys the buds. The high incidence period of this pest is from June to October of each year, so we must pay special attention at this time.

Control method: when we deal with the diseases and insect pests of this Phoenix tail orchid, we can directly use 2.5% trichlorfon powder or 1.5% parathion powder to spray and kill it.

III. Pest control of Phoenix tail orchid (disease)

1. Anthrax

Anthracnose is a frequently-occurring disease of Cymbidium, and it spreads very fast. if the disease is not prevented in time, it will not only affect the ornamental effect, but also lead to plant death. At the time of onset, there will be many brown spots on the leaves, and the spot is grayish brown, surrounded by yellow halos, which can be distinguished by this point.

Control method: in view of the diseases and insect pests of this Phoenix tail orchid, we can use 75% chlorothalonil wettable powder 1000 times to spray the diseased plant, usually once every other week, and then can be cured after 3-4 times.

two。 Leaf spot disease

Leaf spot is a disease caused by Pseudomonas aeruginosa. There are many brown spots on the leaves with different shapes and sizes. With the passage of time, the disease spots will gradually spread, the color will change, and finally lead to the gradual death of the plant.

Control methods: when we deal with the diseases and insect pests of this Phoenix tail orchid, we can use 1000 times of methyl topiramate wettable powder to spray the diseased plants, usually once every 7-10 days, 2-3 times.

What to do if the crystal orchid grows insects? pest control of crystal orchid / 2 insect pests and 3 diseases

Diseases and insect pests are the most unwanted problems in the process of plant growth, and crystal orchid is no exception. If attacked by such problems, it will not only affect its ornamental quality, but also lead to the phenomenon of plant withering and death. So what about the crystal orchid worm? What does the pest control of crystal orchid need to do? Next, the editor will take you to learn about it.

First, what if the crystal orchid grows worms? find the reason.

When it comes to crystal orchid worms, first of all, we need to know what kind of insects are growing, so that we can carry out targeted treatment, because the treatment methods of each kind of diseases and insect pests are different, and the details are introduced below. We can understand it, so as not to be at a loss as to what to do later.

II. Pest control of crystal orchid (pest)

1. Aphids

Aphids are a common herbivorous insect 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 crystal orchid to wither, yellowing, losing luster, and causing diseases such as coal fouling.

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

two。 Shell worm

Scale insect is a kind of pest with high incidence in the growth process of crystal orchid, which mainly threatens the leaves, branches and fruits of crystal orchid, resulting in its leaves gradually yellowing and falling off, and finally the whole crystal orchid will gradually wither.

Control method: when we deal with the diseases and insect pests of this crystal orchid, we can directly use 1000 times of omethoate emulsion to spray it, the effect is very good.

III. Pest control of crystal orchid (disease)

1. Black spot disease

Black spot, also known as brown spot, is a disease that may occur in many plants, and crystal orchid is no exception. Its leaves, stems and flowers can be harmed by this disease. This disease will lead to symptoms such as brown and withered leaves and shrinking petals. In severe cases, it can also lead to plant death.

Prevention and control methods: when dealing with the diseases and insect pests of this crystal orchid, we can use 5000 times of mancozeb or mancozeb spray to spray the disease, and pay special attention to spraying evenly on the back surface of the leaves when spraying.

two。 Powdery mildew

Powdery mildew is a disease with high incidence of crystal orchid. At the time of onset, a lot of white powdery mildew layer will appear on the leaf surface, and with the passage of time, it will gradually cover the whole leaf, thus seriously affecting photosynthesis and interfering with normal metabolism, resulting in premature senility and loss of yield.

Control method: in view of the diseases and insect pests of this crystal orchid, we can use 75% chlorothalonil wettable powder 700 times to spray the diseased plant, which is usually sprayed once every 7-10 days, and can be cured after 2-3 times.

3. Anthrax

Anthracnose is a disease that mainly threatens the leaves of crystal orchid. At the initial stage of the disease, many brown spots will appear on the leaves, and with the passage of time, the spots will gradually expand and occupy the general area of the leaflets, so that the plants can not carry out photosynthesis and gradually wither and yellow, and the leaves will gradually fall off.

Control methods: in the prevention and control of diseases and insect pests of this crystal orchid, we can use 1000 times of methyl topiramate wettable powder to spray the diseased plant, which is usually sprayed once every 7-10 days, and can be cured 2-3 times.

What to do with the growth of Dendrobium orchid? pest control of Dendrobium orchid / 2 insect pests 3 diseases

In the process of cultivating Dendrobium orchid, the last thing we want to encounter is diseases and insect pests. This kind of problem is very harmful to the plant, and if it is not dealt with in time, it will lead to plant death, so what should we do if Dendrobium grows? How to prevent and control the diseases and insect pests of Dendrobium? Next, the editor will take you to learn about it.

First, what to do when Dendrobium grows? find the reason.

If you want to know what to do with the Dendrobium orchid, we must first understand what kind of insect it is, so that we can deal with it pertinently, because different pest control methods are also different. in the following, there is a detailed explanation of the pest control of Dendrobium. Friends who are troubled in this respect can learn about it.

2. pest control of Dendrobium (pest)

Thrips

Thrips are the general name of Thysanoptera. It is an economic pest, which mainly threatens the flowers and leaves of Dendrobium. There are many small white spots on the leaves when they are damaged, and when the flowers are killed, they will be dark and colorless, and there will be deformities.

Control method: when we deal with the diseases and insect pests of Dendrobium, we can directly spray it with 1000 times of imidacloprid or 1000-1500 times of omethoate emulsion.

Whitefly

Whitefly is a small herbivorous pest belonging to Hemiptera. It mainly harms the new buds, leaves and flowers of Dendrobium. It is inserted from the back of the leaves with piercing mouthparts, and then gradually sucks the juice from the leaves. As a result, the plant lost a lot of nutrients and yellowed and wilted. Control method: for this kind of Dendrobium disease and insect pest, we can use 1500 times EC spray to directly kill it, which can kill eggs, nymphs and adults.

3. Pest control of Dendrobium (disease)

Anthrax

Anthracnose disease mainly occurs in the leaves of Dendrobium. At the initial stage of the disease, many water-stained yellow spots appear on the leaves, and after expansion, there are oval to irregular brown or yellowish-brown spots. In the later stage, the disease spots will cause the leaves to dry up and produce small black spots with wheel patterns.

Prevention and control methods: the emergence of this disease is mainly due to poor ventilation in the maintenance environment, so we must maintain environmental ventilation when breeding. As for the treatment of this disease, we can use 65% Dyson zinc wettable powder 600 times to spray the disease, usually once a week, 3-4 times can be cured.

Mosaic disease

Mosaic disease is a worldwide virus disease, which does great harm to Dendrobium. At the initial stage of the disease, chlorotic angular disease spots appear on the leaves, and finally turn brown, and in serious cases, it will affect the yield and quality of cut flowers.

Control method: when we deal with the diseases and insect pests of Dendrobium, we can use 1000 times of dimethoate EC to spray the plant, usually once every 10 days, and then recover after 2-3 times.

Leaf spot disease

Leaf spot is a disease in many plants, and Dendrobium is no exception. There are many oval and long brown spots on its leaves, which will spread gradually with the passage of time, and finally lead to the gradual death of the plant.

Control method: in view of the diseases and insect pests of Dendrobium, we can spray the diseased plant with 41% poly-pyrimidine 20ml-4% pyrimidine nucleoside antibiotic 15ml with water, which is usually sprayed once every 7-10 days, and can be cured after 1-2 times.