What manifestations of lily bamboo raw red spider insects

Lily bamboo, red spider leaves have cobwebs, and leaves have small punctate yellow spots.

Red spider, also known as cotton red spider, commonly known as big spider, big dragon, sand dragon, etc., scientific name leaf mites, China's species are mainly cinnabar leaf mites, belonging to arachnids, ticks, leaf mites. It is widely distributed and has a miscellaneous diet, which can harm more than 110 kinds of plants.

1) This insect is very small, less than 1 mm, round or oval, orange or reddish-brown, because of the small size is not easy to find, once it is found to be a pest, often the flower damage is relatively heavy. This insect pest method is to pierce the mouthparts into the leaves and suck the sap, so that the chlorophyll is destroyed, and the leaves appear gray and yellow spots or patches, and the leaves are orange, fall off, and even fall light.

2) Chemical control should be applied to 4000-5000 times of mite danger (800-1000 pounds of water per bottle of 100 ml) uniform spray, 40% dicofol EC 1000 1500 times, 20% mite kill net wettable powder 2000 times, 15% pyridoxine EC 2000 times, 1 8% zitogenol EC 6000 8000 times, etc.

1. Red spider, also known as cotton red spider, commonly known as big spider, big dragon, sand dragon, etc. It can harm more than 110 kinds of plants. Symptoms:

There are red spots on the back of the leaves, and there are small red insects on the branches, in this case, it can be judged that the red spider harms the plant, and the affected plants: Yueji, Milan, jasmine, kumquat, begonia, osmanthus, bergamot, etc.

The temperature is not well controlled and the light is insufficient. Precautionary measures: more ventilation, proper watering, reasonable temperature control, and increased light.

Prevents prolonged loss of light. **Method: Commonly used pesticides are caricato, dicofol, dimethoate, flower insect net, rapid killing, etc.

In 400 ml of water, 4 drops of mitete or rapid kill or flower insect net can be dropped into 4 drops (equivalent to 2000 times the liquid medicine), and 8 drops can be dropped with dicofol or dimethoate (equivalent to 1000 times the liquid medicine), shake well after adding the medicine, and then spray, the spraying requirements are uniform and thoughtful, especially pay attention to spraying the back of the leaves.

It is the spider mite, and in the process of flower cultivation, the spider mites are a common disease.

The bugs are small, less than 1 mm, round or oval, orange or reddish-brown. Because of its small size and difficulty in being found, once it is found to be harmful, the damage to flowers is often more serious. This insect pest method is to pierce the mouthparts into the flower leaves and suck the sap, so that the chlorophyll of the flowers is destroyed, the leaves appear gray and yellow spots or patches, and the leaves become yellow, or even fall off.

Pepper water treatment flower spider method.

This method is also more commonly used, and the occurrence of red spider disease in flowers can be sprayed with water from boiling peppers. The effect is also very good, the raw materials are easy to take, and they are generally available at home.

But it should be noted that all these methods should be used in small amounts, not too much, step by step, spray red spiders a few more times to remove them naturally, and it is not good for flowers to be too hasty!

Yes, go to the flower market to buy some pesticides, Ke Mites, three bai

Difol, dimethoate, duflora, and rapid extermination. zhi

In 400 ml of water, 4 drops of mitete or rapid killing or flower insect net can be dropped into 4 drops (equivalent to 2000 times the liquid medicine), and 8 drops can be dropped with dicofol or dimethoate (equivalent to 1000 times the liquid medicine), shake well after adding the medicine, and then spray, the spraying requirements are uniform and thoughtful, especially pay attention to spraying the back of the leaves.

Pharmaceutical prevention and control: 80 dichlorvos 1:2 plus water atomization fumigation, according to 1 ml of stock solution per cubic meter, once every 5 7 days, doors and windows must be closed every time fumigation.

It can also be sprayed with 2000 times of deltamethrin solution, or 20 times of 2000 times of dibutyl, 2 kg per 667 square meters, sprayed once every 6 days, 2 3 times in a row, all have good results.

Physical control: The whitefly has a strong tropism to yellow, and the yellow plastic board can be hung or inserted indoors, and the board is coated with sticky oil, so that the flying adults stick to the board by themselves, which plays a good role in trapping.

Red spider is about to be sprayed, and drugs such as 3000 times of gram mite, or 2500 times avermectin can achieve the best effect. If you are raising flowers at home, use soapy water to wipe the leaves of the spider mites, and treat them several times.

Colored spiders have grown on the flowers, and they should be shot with acaricidal drugs, such as mite, dicofamine, etc.

Pyridoxalin: 1500 times, avermectin, 1000-4000 times spray. These two are the best pesticides for the treatment of red spiders on the market, and the residual toxicity is small. Note: Spray once in 7-10 days, spray 3 times in a row, spray once the effect is not good.

In fact, you can try to spray it with chili pepper water for no pollution and zero pollution!

Special pesticides are used, which are available at florists.

Sprayed with laundry detergent water, I tried it and it was good.

Ladybugs, lacewings, and their larvae all prey on red spiders, also known as cinnabar leaf mites.