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The greasy insect you are talking about, the scientific name is aphid, also known as honey worm, the body size is small, and the body color has a variety of colors such as black, yellow, green, and red. Aphids inhabit swarms on young branches and leaves, sucking plant sap, causing poor plant growth. Aphids excrete sugary honeydew, which can easily cause soot disease and attract ants to protect themselves.
If there are aphids on the flowers, if the number is small, you can gently crush them with your fingers, and if you grind them a few times, they will be gone. If the number of aphids is large, it can be killed with pesticides such as dichlorvos, dimethoate, imidacloprid, etc., and it is recommended to use high-efficiency and low-toxicity imidacloprid, which can be diluted and sprayed according to the multiple required by the packaging.
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What should I do if there are insects in flowers?
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Usually what we call greasy insects are aphids, which are a type of herbivorous insects and the fastest reproducing insects. The usual treatment is as follows:
1. Grass ash soaking method.
Mix kilograms of plant ash with kilograms of water, soak for a day and night, filter out impurities, and spray the damaged plants with filtrate, which can effectively kill aphids such as plum blossoms, yueji, pomegranates, and birthday peaches.
2. Vinegar rubbing method.
Use 50 ml of vinegar (rice vinegar) to soak the cotton ball in the vinegar, and then gently rub the cotton ball dipped in vinegar on the flower stems and leaves, which can not only kill the scale insects, but also make the leaves that have been damaged by scale insects turn green and shiny again.
3. Alcohol erasure method Gently and repeatedly wipe the orchid leaves with scale insects with alcohol, it can be removed, even if the larvae are not visible to the naked eye, they can be completely killed, and the harm of scale insects is rarely found in the second year.
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There is no fermentation and rotting with nutrient soil, and there are more pests and diseases in the soil, and there are more pests and diseases in the animal manure, crop straw, and scraps, and if they are directly applied to the soil, they will spread, breed, and hatch in the soil, endangering the growth of crops, and outbreaks of pests and diseases.
People who have been raising flowers for a long time often encounter the situation of potting insects, and I will briefly introduce a few methods below:
1. Precautionary Act. Before potting the potted flowers, put the potting soil into a larger old food bag, pour boiling water, tie the bag tightly, expose it to the sun for a day, and then spread it out and dry it to use, which can play a role in killing insect eggs.
2. Chemical method. Long-term dampness in the potting soil causes insect pests, insecticides can be purchased, sprayed to kill insects, and indoor potted plants should be avoided.
3. Change the living environment of pests, move the flower pot to a dry and ventilated place, bask in the sun, pay attention to timely watering, and shade-loving flowers, such as orchids and bamboos, should cover the plants and prevent sunburn leaves.
Fourth, replace the potting soil. After changing the soil, it is necessary to pay attention to shading and maintenance for a period of time before it can be transferred to normal cultivation.
Summary: It is a very common phenomenon to grow insects in the soil of planting flowers, and there are many reasons for the generation, the most important reason is that the soil is not treated well, and many germs, eggs and pests are living or overwintering in the soil. So the best way is to change the pot, that is, to change the soil.
If you haven't started potting yet, sanitize the soil before potting.
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Flower greasy insect treatment tips:
Method 1: We can mix plant ash with water, soak it for a day and night, then filter out impurities, and spray the damaged plants with filtrate. In this way, it can effectively kill the greasy insects on the flowers planted by the family such as plum blossoms, moon seasons, pomegranates, and birthday peaches.
Method 2: Drop five to six drops of wind oil essence in 1 liter of water, shake well, spray it on the place where there are greasy insects, 1-2 times a day, insist on 2-3 days, and usually spray it to prevent pests and diseases.
Method 3: The available baking soda solution spraying the affected plants can effectively kill the greasy insects, and at the same time, the control rate of powdery mildew in flowers such as yueji, chrysanthemum, impatiens, hibiscus, melon leaf chrysanthemum and so on is more than 80%.
Method 4: The best way to have insects in the soil is to remove a layer of 5-7 cm thick soil layer from the topsoil, mainly to eradicate a large number of eggs and insects in the topsoil, as long as the insects and eggs are removed, the insects are less or gone, and the topsoil is removed and filled with a layer of new soil. Finally, sprinkle a layer of quicklime on the topsoil to kill the remaining insects more thoroughly.
Causes of insects in the flower soil:
1. The insects born in the flower soil are mainly insects that are not clean on the surface of the pot or buried in the ripe material of the pot soil, and are not buried deeply.
2. The reason why there are insects in the soil of the flower pot is because the soil itself has insect eggs that have not been treated.
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Succulents with insects can also take the method of soaking pots to kill insects, that is, after removing the topsoil, loosen the potting soil, soak the whole pot in water, and it is advisable to let the water flow out of the pot, and the succulents can be removed after being placed in the water for ten minutes, and generally ten minutes is enough to kill the white insects in the pot, and the succulents will not die after soaking for ten minutes, and they will be removed and placed in the indoor sunny ventilation place after ten minutes.
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Wipe and clean, you can use alcohol to dip a paper towel to wipe off the greasy insects on the flowers; Wind oil essence can be dropped into 5 6 drops of wind oil essence in 1 liter of water, and evenly sprayed to the location of raw insects; Yellow sticky insect board, you can place several sticky insect boards around the flower pot to kill the greasy insects on the flowers; Prune in time, if the number of greasy insects is large, you need to prune off the leaves with serious insect infestation, and spray the agent for **.
In the process of cultivating flowers, if you find greasy insects on the leaves, you can use a toothbrush or paper towel dipped in an alcohol solution to wipe off the pests on the leaves. If there are a large number of pests, you can prepare a pot of water, place the flowers in the water, and remove the greasy insects on the plants through the water.
After the appearance of greasy insects on the flowers, it can also be killed by spraying wind oil essence, you can prepare 1 liter of water, drop 5 6 drops of wind oil essence, shake evenly and spray evenly to the position of the insects, spray 1 2 times a day, spray continuously for 2 3 days to completely kill the greasy insects.
If there are fewer greasy insects on the flowers, you can use a yellow sticky insect board to kill them, and the insects have strong phototaxis to yellow and orange-yellow. The sticky insect board can be hung between the flowers and the level of the flowers, and after the sticky insect board is covered with greasy insects, it is necessary to replace the new material in time to achieve a better insect control effect.
If there is a large number of greasy insects on the plant, you can use sterilized sharp scissors to prune off the leaves overgrown with greasy insects and destroy them intensively. In the later stage of maintenance, it is necessary to spray the fungicide every 1 week, and ensure the ventilation of the maintenance environment to reduce the breeding of diseases and enable the plants to grow healthily.
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Tips for getting greasy insects: physical control, biological control, chemical control.
1. Physical prevention and control
In fact, the greasy insects on this plant, their reproductive ability is very strong, and in the case of high temperature, they will multiply in large quantities, if there are not many insects on the leaves or flowers, we can use wet towels to wipe the leaves, so as to prevent the insects from multiplying, so as to achieve the purpose of prevention and control.
2. Biological control
In fact, every creature has a corresponding natural enemy, saying that for this kind of greasy insect, we can use its natural enemies to capture and prevent and control. Usually we can catch a few ladybugs and put it on the plant, so as to have a certain killing effect on the greasy insects.
3. Chemical control
**The greasy insects on the flowers can also be sprayed on the plants with dimethoate emulsion and malasulfur emulsion, and it is best to dilute the agent with water before spraying to prevent the concentration of the agent from being too high and burning the roots. In general, we believe that this chemical pesticide will cause some damage to the plant itself.
Therefore, it is recommended to make your own medicine at home, and dilute the water with laundry detergent, urea, and water in a ratio of 1:4:400, so that the medicine made also has a good sterilization and disinfection effect.
Most of the greasy insects lurk on the residual flowers and dead leaves, so when the greasy insects are found on the flowers, the residual flowers and dead leaves on the plant should be cut off in time, and then the wound should be properly smeared with a potion to disinfect after pruning. In the daily breeding process, it is necessary to wipe the leaves frequently, while ensuring that the environment is well ventilated, and the plants can be placed in a sunny place at ordinary times, with the help of ultraviolet rays in the sun, it can also play a certain role in sterilization.
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The number of greasy insects on the flower is small, just rinse it off with water. If there are a large number of greasy insects, spray chemicals or other homemade solutions. You can use 2 grams of laundry detergent, add 500 grams of water and stir into a solution, and then spray the insects on the plant, the effect is more obvious.
You can also use 50 grams of peppercorns, add 500 grams of water to boil, boil into 250 grams of liquid medicine for leaking and spraying, and the effect of returning to the bridge potato to eliminate greasy insects is also more obvious. It is also necessary to strengthen ventilation and control humidity.
Change the house for a house without bugs.
Go to the supermarket and buy a bottle of insecticide to kill the insects. Then scrub it with water and let it dry.
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