Wisteria flower worms how to do, wisteria flower pest control / 2 insect pests 2 diseases

In the process of breeding four seasons crabapple, the last thing people want to encounter is the problem of diseases and insect pests, which do great harm to the plant, not only affect its ornamental, but also lead to plant death, so what about the wisteria flower worm? How to control the diseases and insect pests of wisteria? Next, the editor will take you to learn about it.

First, what to do when wisteria flowers grow into worms?

II. Disease and pest control of wisteria

Insect pest

1. Bemisia Tabaci

Among the diseases and insect pests of wisteria, whitefly is a very harmful pest. It will gradually absorb the sap of the plant, let its nutrients pass away in large quantities, and inject toxins into the plant, gradually affecting the symptom, respiration and photosynthesis of the plant, and finally causing the plant to die.

Control methods: whitefly has a very strong reproductive ability, so we must deal with it as early as possible. Generally, we can directly spray it with 1000 times EC of 25% mites.

two。 Shell worm

Scale insect is a kind of pest that occurs in the growth process of many plants, and wisteria is no exception. among the diseases and insect pests of wisteria, this pest mainly feeds on the sap in the leaves and stems of wisteria. It will gradually absorb the juice, resulting in the gradual loss of nutrients of wisteria, and finally the phenomenon of atrophy.

Control method: when dealing with this pest, we can use 40% omethoate EC to spray it, usually three times in a row can basically eliminate this pest.

Disease

1. Soft rot

Soft rot is a disease caused by fungi. At the initial stage of the disease, wisteria leaves will gradually appear withered phenomenon, and its stem will also appear many water-like disease spots, the color is light yellow, and will give off bursts of stench. Finally, it will gradually lead to the phenomenon of plant decay to death, which shows that the harm of this disease is still great among the diseases and insect pests of wisteria wisteria.

Control method: when dealing with this disease, we can spray wisteria with 38% cuproloxil diluted by 800 times, usually once every 5-7 days, and basically recover after 1-2 times.

two。 Leaf spot disease

Among the diseases and insect pests of wisteria, leaf spot is a kind of disease with high incidence. During the disease, many black spots will appear on the leaves of wisteria, and will gradually spread with the passage of time, resulting in the leaves gradually yellowing and falling off. The plant gradually withered.

Control method: in the prevention and control of this disease, we can use 1000 times of carbendazim to spray the diseased plant, generally spray once in 7-10 days, 2-3 times can basically recover.

What if the orchid grows worms? disease and pest control of orchids / 2 insect pests and 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 to do when the snow lotus grows insects? disease and pest control of snow lotus / 2 insect pests and 2 diseases

When we breed snow lotus, the last thing we want to encounter is the problem of diseases and insect pests, which do great harm to the plant, and it is easy to make the plant withered if it is not dealt with in time. So what should we do if the snow lotus grows worms? How does the pest control of snow lotus need to be done? Next, the editor will take you to learn about it.

First, what if the snow lotus grows worms? find the reason.

If you want to know what to do with snow lotus 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, and the details are described in detail below. Interested friends can learn about it.

II. Pest control of Saussurea involucrata (pest)

1. Small land tiger

The small land tiger is also called the soil silkworm, it is a kind of silkworm insect, the body surface is black, it is easy to appear in the humid environment, so we must pay special attention at this time, this pest mainly harms the seedlings of the snow lotus, it will gradually cause the young leaves of the seedlings, and finally lead to the nutrient loss of the snow lotus, thus withering to death.

Prevention and control methods: because the seedlings are relatively fragile, we must control them as soon as possible. to deal with this pest, we can choose 40% chrysanthemum EC 2000, 000, 000 times the solution to directly spray.

two。 Nocturnal moth

In the pest control of snow lotus, nocturnal moth is a relatively common pest, which mainly harms the leaves of snow lotus. It will gradually erode the leaves, affect the beauty of the plant, and even eat up the leaves of snow lotus in the later stage. So that the plant can not grow.

Prevention and control methods: the high incidence period of this pest is from August to September every year, and special attention must be paid during this period. 2.5% trichlorfon powder can be used to spray snow lotus flowers when controlling this pest.

3. Pest control of Saussurea involucrata (disease)

1. Black spot disease

Among the diseases and insect pests of Saussurea involucrata, black spot is one of the most common diseases of Saussurea involucrata. Many gray-brown spots will appear on the leaves when the disease occurs, and some very colored moldy objects will be produced on the disease spots, which will lead to the gradual death of Saussurea with the development of time.

Control method: in the prevention and control of this disease, 75% chlorothalonil 500 × 600 times can be used, the plant can be sprayed once every 10-15 days, and can be basically cured after 1-2 times.

two。 Powdery mildew

Among the diseases and insect pests of Saussurea involucrata, powdery mildew is a common disease. when this disease occurs, some powdery mildew layers appear on the leaves of Saussurea involucrata, which will gradually spread to the whole leaf, making it impossible for Saussurea to carry out photosynthesis. resulting in premature senescence and other phenomena.

Control method: in the prevention and control of this disease, we can use 80% sulfur 400 times plus 72% benzothiourea cyanide 600 times spray to spray the plant.