Can lemons kill insects? Is it OK to kill insects immediately after lemon pruning

No matter what brand, pesticides are slightly toxic and more or less harmful to the human body. The main ingredient of the insecticide is pyrethrum. Pyrethrum is toxic to a variety of insects such as mosquitoes, flies, bed bugs and cockroaches.

Within 1-2 minutes after exposure to pyrethroid, insects become hyperexcited, dyskinesia, quickly knocked down and paralyzed. However, some insects can be revived after 1 day. Pyrethrum is a typical neurotoxic, which directly acts on the excitable membrane, interferes with the ion conduction of the membrane, mainly affects the sodium channel of the nerve membrane, delays the disappearance process of the increase in nanoconduction during excitation, causes the prolongation of the transmembrane sodium ion flux, causes the repeated activity of sensory nerve fibers and motor nerve axons, transient nerve cell depolarization and continuous muscle contraction.

At high concentrations, it inhibits ion conduction of nerve membranes and blocks excitation.

National Compilation of Chinese Herbal Medicine:"This product is often used as a mosquito coil raw material, and is also used as a powder or emulsifiable concentrate. After contact or inhalation by sensitive people, rash, rhinitis, asthma, etc. may appear.

If inhaled or swallowed, it can cause nausea, vomiting, gastrointestinal cramps, diarrhea, headache, tinnitus, nightmares, syncope, etc. Infants may also have pallor and convulsions. "

Lemongrass, also known as citronella, is a clump of plants, each clump can reach up to about 2 meters in diameter, and the lemon fragrance emitted is mainly there.

Mosquito repellent effect of citronellal, citronellol, etc. A variety of aromatic natural essential oils made from this can also achieve the purpose of repelling mosquitoes.

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Is it OK to kill insects immediately after lemon pruning

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You can review your question, complete the information, or add a description of your question.

Hello, it is not possible to kill insects immediately after lemon pruning.

Because pesticides are corrosive, it is best to wait for the lemon to heal before killing the insect.

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Summary. Hello dear, it is an honor to answer this question for you, insecticides can be used with lemons, lemon juice also has the effect of repelling insects.

Can pesticides be used with lemons.

The toilet has been sprayed with pesticides and has always smelled, and it is not good to open the window for half an hour, how to quickly remove the smell.

Hello dear, it is an honor to answer this question for you, insecticides can be used with lemons, lemon juice also has the effect of repelling insects.

How do you get rid of the smell quickly?

Hello, dear, the way to quickly remove the smell is to take out the electric fans that are lacking in the house, create convection air, increase indoor and outdoor air circulation, and speed up the odor of pesticides.

Do you need to wipe the sprayed area?

Hello dear, after that, you need to scrub the sprayed area.

The use of pesticides should be used sparingly as much as possible, and when they are not used, they should not be used as much as possible. When using spray pesticides, it's a good idea to wear a mask. Minimize contact with pesticides, e.g. do not stay in the house where the limb medicine has been applied, leave immediately after application, and open 2

The insecticide is sprayed directly at people and pets. Avoid exposure of infants, children, pregnant women and people with specific allergies to pesticides to avoid adverse effects. Do not spray pesticides on food, utensils, furniture and bedding when using pesticides

3.Bathe and change clothes after applying insecticides and insecticidal creams.

Dear, hello, precautions for using pesticides: 1. Keep away from the fire source when using, and during use, spray anger to the fire source and red hot items or directly put it next to the fire source, and not in the kitchen where the open flame is used, so as not to cause disasters. Second, avoid friction static electricity when using, insecticides are flammable and explosive materials, friction or static electricity generated by sparks will also cause, it is best to stay away from or turn off the power when using, avoid rabbit shaking violently.

3. Avoid high temperature exposure when storing, the pressure of insecticide canned gas is related to various factors such as outside temperature, the higher the temperature, the greater the air pressure in the tank, the easier it is. It should be stored in a dark place, not above 50 °C, away from fire. Fourth, do not squeeze and knock when storing, there are low boiling point solvents and propellants in the insecticide, once excessive squeezing and violent shaking and beating, the internal and external temperature differences, pressure changes, it is easy to cause accidents.

Is there any other way to get rid of the smell quickly?

Hello, dear, there are also methods: 1. First prepare a towel, the towel should be thicker, so that the absorption effect will be better 2. 3. Then drop a few drops of flower water into the water basin, and the fragrance of the flower dew mu trapped in the water can cover the taste of the insecticide.

4. Then pour in an appropriate amount of vinegar, vinegar has the effect of absorbing and decomposing odors 5, and then put the towel in the basin to soak for a few minutes. 6. Then twist the towel slightly, but do not wring it out to retain a certain amount of moisture, so that the odor can be absorbed through the pores of the towel. Open windows and keep the room well ventilated so that the insecticide can dissipate as soon as possible.

Lemon contains niacin and rich organic acids, and its taste is extremely acidic, and it has a strong bactericidal effect. In addition, lemon juice also contains a large amount of citrate, which can inhibit the crystallization of calcium salts and has a strong stain removal effect.

Lemon is rich in vitamin C, sugar, calcium, phosphorus, iron, vitamin B1, vitamin B2, niacin, quinic acid, citric acid, malic acid, hesperidin, naringin, coumarin, high potassium and low sodium, etc., which are very beneficial to the human body. Vitamin C maintains the production of various tissues and interstitium cells in the body and maintains their normal physiological functions.

Insecticide pests can not prevent and treat lemon trees, not because the insecticide is to kill the insects and kill the pests, not to prevent it.

Scab 1. Diseases Lemon trees mainly include anthracnose, scabs, gum disease, foot rot, yellow spot, forest brown spot and so on. Strengthen cultivation management, pay attention to irrigation and drainage, apply more organic fertilizer, prune orchards in time, and avoid canopy closure.

The prevention and control of gum disease and foot rot is to remove the lesion first, and then apply it once with methyl lipid, lead, copper or ethyl phosphate aluminum solution after 7-10 days. Other diseases are mainly sprayed once a month from April to September m 45 (can be mixed with other pesticides for abuse). When sick, join the immortal or new life.

ii .Mites orchards should pay attention to the artificial breeding of predator mites and the intercropping of artichokes, and try to use Bordeaux liquid or lime-sulfur mixture and broad-spectrum fungicides to prevent diseases, so as not to kill natural enemies. After picking the fruit, before the spring shoots of the following year, spray Guo Sheng 500 times the liquid once to eliminate the overwintering eggs and other pests and diseases.

When the spring buds are about 2 cm1 long and the young leaves are elongated, the time is about the end of March, and the annual leaves of lemons are surveyed every 7-10 days. When the number of mites and eggs reaches 200 100 leaves, or the number of mites and leaves reaches 50%, pesticides should be sprayed in time, and the number of mites reaches 600 100 leaves after flowering. The agent should be 2000 times liquid, 5% nisolone 2000 times flushing spring solution, or 15% Daruifeng 2000 times liquid, or red mite killing 3000 times liquid, mite 1000 1500 times liquid, etc.

Rust mites should be sprayed on their mouths when the density of rust mites reaches an average of 2-3 in summer and autumn per field of view (10 times that of a hand-held magnifying glass), or when a small number of black-skinned fruits are found in individual trees, and rust spots and brown leaves are found in the leaves at the end of individual branches. Third, bud maggots According to pests and diseases**, adults do not fly immediately when they emerge, but crawl on the ground first, or when the flower buds sprout (the flower buds are as white as mung beans), or the flower buds have just sprouted, and when the adults are about to appear, spray pesticides at the right time. 25 kilograms of menacarb powder or kilograms of trichlorfon powder can be used per mu, and 30-35 kilograms of dry fine loess can be mixed for powder spraying.

You can also choose a 2000-2500 times solution of deltamethrin or a 3000-4000 times solution of 20% cypermethrin and spray it once every 7-10 days, spraying twice in a row.

The daily insecticide can be a 20% solution of pyrethroid acorn-sensitive ester line such as 2000 times, or a solution of 3000-4000 times. **: Impatiaceae .

What kind of medicine should be used for lemon tree insects to choose the appropriate agent according to what kind of insect it is, generally cyfluthrin is used for leafminers, scale insects are used for rapid culling, aphids and whiteflies are mainly treated with acethroprid, and red spider diseases and insects are mainly treated with avi cong liangrangmycin.

Lemon tree grows bugs to solve the trick.

1. You can use 50 ml of vinegar, put a small cotton ball into the vinegar and soak it, and gently rub it on the damaged leaf with a wet cotton ball, and then wipe off the insect to kill the infiltration.

2. You can also use the cigarette butts left over from usual smoking and then mix an appropriate amount of water to make insecticides, and spray them on the leaves and stems of lemon trees, which has a good effect on aphids and scale insects.

Lemon tree pest and disease prevention.

1. Agricultural prevention and control: increase the application of farm fertilizer, enhance the resistance of the tree, diligently remove weeds and clean the garden, eliminate the host of pests and diseases, and prune dead branches, diseased branches and insect branches frequently to prevent the spread of pests and diseases.

2. Pharmaceutical prevention and control: prevention first, supplemented by treatment, understand the disease, grasp the insect situation, see the period, and prescribe the right medicine. All major areas should be sprayed and controlled, and pesticides should be used in rotation.

Because lemons have a special aroma and are harmless to people, pests such as mosquitoes, cockroaches, and flies will avoid them when they smell them. Some of these special aromas can also inhibit or kill bacteria and viruses.

Other mosquito repellent plants:

1. Mosquito repellent grass.

Containing citronellal and other medicinal ingredients, it emits a lemon fragrance all year round, which can not only repel mosquitoes, but also purify the air.

2. Mint. Contains menthol, menthol and other medicinal ingredients, with a special fragrant aroma, mosquitoes will be dizzy when they smell it.

3. Jasmine.

Contains jasmine flavonoids, mannitol and other medicinal ingredients, rich floral fragrance, placed indoors in summer, can make mosquitoes stay away.

4. Geraniums.

Contains citronellol, citral and other active ingredients, has sterilization, insect repellent and other effects, the taste is slightly like roses, mosquitoes and flies flee when they smell it, pregnant women are prohibited.

5. Lavender.

Contains linalyl acetate, linalool and other active ingredients, known as "after vanilla". It has a small blue-purple flower, and the light fragrance can repel insects and have a calming effect.

6. Nightshade.

Containing aromatic alcohol and other medicinal ingredients, every summer and autumn, will bloom clusters of yellow-green bell-shaped flowers, with a strong fragrance, this fragrance makes mosquitoes afraid, is a good product to repel mosquitoes, but should not be put indoors for a long time.

7. Seven mile incense.

Containing medicinal ingredients such as linalool, the leaves are small and shiny, the flowers are dense, and the leaves will exude a strong sweet and spicy fragrance to repel mosquitoes. The ancients used it to hide books, avoid insects, and put it under the mat to get rid of fleas and lice.

8. Cordyceps.

Asteraceae herbaceous plants, each with hundreds of small yellow flowers, each flower head has mucus on the periphery, and mosquitoes are stuck when they land on it. Put a pot at home to catch mosquitoes and vacuum dust.

9. Nepenthes.

Insectivorous plants, with peculiar leaves, hang an oblong "insect trap bottle" on the top, the bottle has a cap, which can be opened and closed, so as to catch insects.

You can place a few beer bottles in the corner of the room with a little beer and some sugar in them. Flying insects will get into it when they smell it.

Lemons have a sour taste, and generally small insects only like sweet ones

The most effective insect repellent is mosquito coils.

Lemongrass looks like a weed from a distance, but it has a strong lemon flavor. It is often used in food in Southeast Asia, the earliest use of it is India, the English name is lemongrass, it has the effect of promoting circulation, relieving muscle pain, especially for the legs, and also has an antibacterial effect, so it can also alleviate cold symptoms, reduce sore throat, has a deworming effect, can help pets stay away from fleas, and maintain fragrance.

Lemon has a very fragrant taste.

Mites (red and yellow spiders, rust mites).

It causes great damage to the leaves, causing them to lose their luster and turn grayish-white, and at the same time cause leaf fall and withering. Yellow spiders cause twisted and deformed leaves. Rust mites cause the back of the leaves to be rust-brown or yellow-brown, and the affected fruits to be black-brown.

Prevention and control methods (1) Spray once in early spring or apply stone sulfur mixture to the main rod.

2) 1000-1500 times spray or 2000-3000 times of 73% gmite. Control the central insect strain first, and then carry out large-scale control.

Leaf miner larvae will feed on young branches and leaves and under the skin of fruits, producing white insect passages, causing the leaves to curl and become brittle and fall off, and the affected fruits are easy to rot.

Prevention and control methods (1) Control summer and autumn shoots, remove too early or too late and excess shoots, and cut off their food chain.

2) Focus on the prevention and control of summer shoot extraction and autumn shoot extraction period, it is best to alternate the use of pesticides to obtain better efficacy, when the pumping rate reaches more than 20%, spray for the first time, you can use chonh enemy killing, high-efficiency cypermethrin 1500 2000 times liquid, 20% extermination.