What should I do if the rose has a web forming bug?

1. Red spider.

Hazards: Spider mites are a common pest. It harms the leaves, sucking the sap from the leaves, causing them to dry up and fall off.

Prevention and control methods: Spider mites are small, not easy to find, and very easy to control, and need to be controlled for a long time. The eroded leaves are first removed and destroyed, and then dicofol mixed with water is sprayed to kill the insects.

The agent should be sprayed on both sides of the leaf every 15 days.

2. Aphids. Hazards: Aphids are also one of the common pests. It appears all year round, and it is more harmful to young branches and new leaves, causing the leaves to shrink and become brittle, and also affect flowering.

Control method: Wipe off the aphids with a brush or damp cloth, and cut off all the branches and leaves that have been harmed by the aphids. Fallen leaves should be treated in time to reduce the possibility of eggs surviving. Laundry detergent can also be used.

Mix with water and spray to kill.

1. Rose stem and leaf bee.

Damage: The rose stem and leaf wasp is a pest that harms the stems of plants. It can cause wilting of the branches and, in severe cases, death.

Control method: When pruning roses in winter, check the roots to see if there are pests that have infested the cavities. After discovery, two drops of dichlorvos can be dropped, and then the mouth can be sealed with mud. If the shoots are eroded, they need to be removed and burned intensively.

2. Spodoptera in roses.

Hazards: The larvae of Spodoptera exigua in roses feed on the leaves of roses. It can also harm flower buds and petals.

Control method: The larvae can be captured manually and the adults can be trapped. Trichlorfon or pine borer can also be used to fully dilute and spray.

There are many white web-forming insects on the leaves of rosesMiteswill seriously harm the leaves, and the growth of the entire plant will be affected. When found, it is necessary to spray the medicine in time, and it is recommended to spray AviPyridoxineor other acaricidal agents.

If the number of insect infestations is small, it can also be removed manually. Pay attention to the later stage to change the maintenance environment. In particular, it is necessary to control the humidity and temperature, ensure good ventilation, and avoid re-infestation infestation.

Precautions for rose planting:

1. When the seedlings are just planted, they should not be exposed to the sun, and they need to be placed in a well-lit and shady environment.

2. When the seedlings are planted, fertilizer can not be used in the soil, and it is necessary to wait for the branches and leaves to grow some, and then gradually use fertilizer, and the amount of fertilizer should not be too much, and the principle of thin fertilizer should be strictly followed.

3. When the seedlings are just planted, the first watering should last for a long time to soak the soil, if the soil is too dry, you need to soak the soil for two hours before planting.

1.Rose stem and leaf bee.

As the name suggests, it is a pest that damages the stems of roses, and in severe cases, roses wilt. Its control method is to check it when pruning, and if there is an eroded cavity, you can spray two drops of dichlorvos.

I seal the mouth with flower soil. If the shoots are eroded, they need to be removed.

2.Spodoptera exigua.

Spodoptera exigua, which likes to eat the leaves of roses, but when the leaves are finished, they will eat the buds.

and petals. Its prevention and control method is to use a blackout lamp.

Booby-trap adults. Trichlorfon can also be used.

Spray killing, note that this agent needs to be diluted before spraying on the leaves of the plant.

3.Spider mites.

Spider mites will suck the sap from the leaves so that the leaves are left with no nutrients and will fall off. The method of controlling it is to remove the eroded leaves, and then use insecticides, and when spraying, you need to spray the front and back of the leaves, and once every half a month to eliminate it more thoroughly.

4.Aphids. It is one of the pests, which is more harmful to young branches and new leaves, and will affect the flowering of roses.

Its control method is to wipe off the insects with a brush or damp cloth first, and at the same time cut off the injured branches and leaves, and pay attention to the fallen leaves should also be dealt with in time to avoid the survival of insect eggs and eat healthy leaves. There are also people who are washing detergent.

Spraying insects with water also has a good effect.

1. Spray dish soap water, you can choose foamed dish soap water to spray on the roses full of small insects, which can remove the stickiness of small insects and make the pests fall. You can also soak the insect-bearing flowers in dish soap water to make them fall. 2. Prune the branches and leaves, prune the withered rose branches and leaves, diseased branches and diseased leaves in time, and apply plant ash to the broken part of the rose after pruning, disinfect and sterilize it, and avoid the wound of the rose from being infected by the disease and rotting.

3. Spray pesticides, and select the corresponding insecticides according to the varieties of pests and diseases. In the case of aphids, the forest can be sprayed once a week. After killing the insect, it is buried in the soil and sprayed with insecticide.

4. Suitable environment, transfer the roses to a ventilated and ventilated outdoors, which can reduce the probability of infection of the plant, and sufficient light can increase the disease resistance of the roses.

Summary. Dear, if the roses are densely packed with insects, it is recommended that you can solve it in the following three ways:

1. Insecticides.

Use paper towels to wipe pests off, and spray a special insecticide every other week.

2. Watering: Spray water mist around the roses every morning or evening to increase air humidity.

3. Environment: Move the roses to a ventilated place.

What to do if the roses are overgrown with dense little bugs.

Dear, if the roses are densely packed with insects, it is recommended that you can solve the forest fight according to the following three methods: 1. Use paper towels to wipe off the pests, and spray special insecticides every other week. 2. Watering:

Spray water mist around the roses every morning or evening to increase air humidity. 3. Environment: Move the roses of Meixichun Town to a ventilated place.

In order to ensure the quality of its flowering, it is necessary to mix some base fertilizer in its flowering soil. In addition, during the growing season, it is necessary to apply thin fertilizer twice a month and feast. When fertilizing, pay attention to the soil condition and whether it is necessary to spray insecticides and anti-silver agents, which can reduce the occurrence of insect pests.

What to do if there are a lot of them.

Dear, a lot of it is also possible.

Precautions for cultivating roses:

Growing roses requires fertilization during the flowering period, and in order to ensure the quality of its flowering, it is necessary to mix some base fertilizer in its flowering soil. In addition, during the growing season, thin fertilizer should be applied twice a month. When fertilizing, pay attention to the soil conditions and whether you need to spray insecticides, which can reduce the occurrence of insect pests.