Aphids are one of the main pests of crops, and they have many species, and they have many generations and are fast breeding. It sucks crop sap and makes the plants weak and withered, and is a vehicle for many viral diseases. In order to control its damage in agricultural production, the use of chemical pesticides has become an important means. However, excessive use of chemical pesticides, especially highly toxic pesticides, will cause pollution to agricultural products and the environment, leading to excessive pesticide residues in agricultural products that affect people's health. Therefore, it is very necessary to use green control measures to control locusts. Sweet and sour liquid sweet and sour liquid formula is wine: water: sugar: vinegar = 1:2:3:4. The sweet and sour liquid is placed in a container with an open top end, and it is generally placed in a large number of plant sites where the aphid occurs in the evening, and the trapping effect is very significant. The yellow plate has wings and has a strong tendency to yellow and orange yellow. It can be used to lubricate the yellow plate with No. 10 motor oil, Vaseline, etc. The size of the yellow plate is generally 15-20 cm square, inserted or hung in the field, and the yellow plate must be promptly replaced after being full of aphids. The willow larvae have a strong tendency toward the smell of willow. For this reason, a certain amount of willow branches may be taken and placed in a large number of plant sites where the aphids occur, and a large number of aphids may be trapped together to facilitate concentrated killing. The black light lamp mite has a strong phototaxis, and the black light lamp made in advance is placed in a large number of plant sites where the mites occur, and the trapping effect is extremely significant. The silver gray film silver gray has a strong repellency to the aphids. It can hang silver-grey plastic strips in the field or cover the crops with silver-grey plastic film, which has a positive effect on the prevention and control of the aphids to move and transmit viruses. The main component of laundry detergent laundry powder is sodium dodecylbenzeneate, which has a strong contact killing effect on aphids. With detergent 400-500 times, spray 80-100 kg per 667 square meters, even spray 2-3 times, can receive better control effect. Plant soaking the juice 1. Use 1 kg of fresh tobacco leaf to soak 10 kg of water, rub it, remove the tobacco leaves, add 10 kg of water, and rub it out. Two times of soaking the juice, add 10 kg of lime water (containing 0.5 kg of lime). After mixing, it can be sprayed; 2. 1 kilogram of fresh orange peel, 0.5 kilogram of fresh pepper, the two are mixed and crushed, and then boiled with 10 kilograms of clear water, soaked for 24 hours, filtered and dipped in juice, this mixture , With a contact killing effect, the locust died soon after receiving the drug, the effect of prevention and treatment of Ruoqiang was significant; 3. Pounded 1 kg of garlic, added the same amount of water, filtered the original solution and added water 50 times; 4. Take onion bulb 200 Grams, immersed in 10 kg of warm water, filtered and sprayed after 4-5 days; 5. 400 grams of dandelion fresh leaves or 300 grams of root, smashed, placed in 10 kg of warm water at 40 °C soak 1-2 hours, filtered The juice is best sprayed when the fruit trees are spread. 6. Other immersed juices, such as fresh peach leaves, fresh willow leaves, fresh ramie leaves, citrus seeds, etc., all have the effect of treating lice. Plant ash and urine lotion use 2%-3% ash leaching solution, can prevent fruit aphids; urea, washing powder, water according to the ratio of 4: 1: 100 dubbed urine lotion, spray control worm effect is more than 92%, and The effect of foliar fertilizer on crops. The volatilizing odor of plant-driven leeks has a repellent effect on locusts. Planting them with other vegetables can reduce the density of locusts and reduce their damage. The natural enemies of aphids include the seven-spotted ladybird ladybird, the ladybird ladybird, the ladybird ladybird ladybird, the ladybird ladybug, the grasshopper dragonfly, and the earthworm fly and the fungus fungus. They should be protected and used, so that the population of aphids can be controlled to a lesser extent. Inside. The foliar fertilizer was sprayed with 10% ammonium bicarbonate solution, 0.5% ammonia solution, and 2% urea solution. Sprayed every 7 days or so, sprayed 2-3 times, for controlling plants. Locust works well. The eradication of weeds on the field side of the insects, and the residual diseased leaves of the crops after harvest are the main wintering hosts of the locusts. Therefore, it is necessary to thoroughly clean the pastures and clear the field weeds before winter, winter and spring. Smart Door Lock,Smart Security Door Locks,Fingerprint Smart Door Lock,Electronic Key Card System Smart Lock Chongqing Huifan Technology Co.,Ltd. , https://www.huifantech.com