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Tobacco: It has a slightly toxic, contact killing and fumigation effect, and can make pests die of nerve paralysis poisoning due to strong penetration. The usage is to use tobacco stems or leftover cigarette butts (remove the filter nozzle), add 50 to 60 times of water, soak for a day and night, filter and spray, can control aphids, red spiders and hatching scale insects.
Soapy water: take general soapy water or use the remaining soap broken head flakes, melt with hot water, add water at a ratio of 1:60, and spray after cooling, which can control aphids and red spiders.
If you soak cigarette butts in soapy water (remove soot), in addition to improving the effect of controlling aphids and red spiders, it can also treat thrips, whiteflies and leafhoppers. However, soapy water cannot be used for a long time, otherwise it will cause alkalizing of the potting soil.
Laundry detergent: It has a strong contact killing effect on pests. The laundry detergent solution can dissolve the waxy layer on the surface of the pest's body and penetrate into the insect's body, blocking the stomata on the surface of the pest's body and suffocating it to death.
The usage is: 200 300 times liquid can control leafhoppers. 600 800 times can control red spiders, aphids, and insects.
Selective laundry detergent should be used.
Green onion liquid: take 1 kg of green onion leaves, dry and grind them into powder, add kilograms of water, soak and filter them and spray them, which can control aphids and snails.
By the way, laundry detergent water is very effective in killing aphids, but the water droplets will have adverse effects when poured into the soil, so it is best to cover the soil with plastic sheeting to prevent the liquid from dripping into the soil. I think it's better not to drip into the soil for other solutions.
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Aphids can be sprayed. Use dish soap first to see if it can be cured: pour the dish soap into the watering can, add water to dilute, then shake the watering can vigorously until a large amount of foam is produced, and spray it on the aphid part of the pepper, about 3 times; Soak the dried chili peppers in water for 24 hours, pour the water into a watering can and spray them on the aphids; Take 3 to 4 grams of neutral laundry detergent and add 100 grams of water to dilute it, stir and spray it 2-3 times.
If the effect of dish soap treatment is not good, it is necessary to use medicine.
Use imidacloprid + enemy killing for control.
Imidacloprid can be sprayed or rinsed several times with soapy water can also be effective.
The main reason is that the ventilation problem has not been solved well, and the medication is only temporary.
A little imidacloprid can kill aphids and is safe for people.
With 20% imidacloprid you can kill aphids, planthoppers.
It can be controlled with low-toxicity pesticide imidacloprid, and can also be controlled with water soaked in cigarette butts.
Imidacloprid is sprayed for control, and the toxicity of imidacloprid is low.
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Aphids can be sprayed. Use dish soap first.
See if it can be cured: pour dish soap into the watering can, add water to dilute, then shake the watering can vigorously until a large amount of foam is produced, and spray the aphid parts on the pepper about 3 times; Soak the dried chili peppers in water for 24 hours, pour the water into a watering can and spray them on the aphids; Take 3 to 4 grams of neutral laundry detergent.
Add 100 grams of water to dilute, stir and spray 2-3 times.
If the effect of dish soap treatment is not good, it is necessary to use medicine.
With imidacloprid. The enemy kills for prevention.
Imidacloprid can be sprayed or rinsed several times with soapy water can also be effective.
The main reason is that the ventilation problem has not been solved well, and the medication is only temporary.
A little imidacloprid can kill aphids and is safe for people.
With 20% imidacloprid you can kill aphids, planthoppers.
It can be controlled with low-toxicity pesticide imidacloprid, and can also be controlled with water soaked in cigarette butts.
Imidacloprid is sprayed for control, and the toxicity of imidacloprid is low.
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Go to the flower shop to see and buy a pack of plant insecticides, which is usually a pack of watering cans to spray plant leaves and branches, and the rest of the potting soil.
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pulsatilla boiled water; Take 500 grams of pulsatilla bulbs, add 5 kg of water and boil for half an hour, filter and spray. tobacco leaf water; Take 50 grams of tobacco leaves or tobacco stems, 100 grams of leftover cigarette butts, add kilograms of water, boil for half an hour, or soak for a day and night.
garlic juice; Take a kilogram of purple garlic, add a little water and soak for a while, mash the juice, dilute it with water 10 times, and spray it immediately, which can control aphids, red spiders, scale insects and nymphs; Pouring garlic juice into the potting soil can control nematodes and earthworms.
chili water; Take 50 grams of dried red pepper, add about 1 kg of water and boil for 10-20 minutes, filter and spray the clear liquid, which can control aphids, red spiders, whiteflies, etc. Sichuan pepper water. Take 50 grams of Sichuan pepper (or pepper), add about 1 kg of water, boil for 30-40 minutes, filter and spray the plant, which can kill insects.
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Tobacco water: Take tobacco leaves, tobacco stems, and leftover cigarette butts, add water, boil for half an hour, or soak for a day and night, and spray on the plants.
Pepper water: take 100 grams of dried red pepper, add about 2 kg of water and boil for 30 minutes, filter and spray the clear liquid, which can control aphids, red spiders, whiteflies, etc.
Sichuan pepper water: take 100 grams of Sichuan pepper (or pepper), add about 2 kg of water, boil for 40 minutes, filter and spray the plant.
Garlic juice: take 1 kg of garlic, add a little water and soak for a while, mash the juice, dilute it with water 20 times, spray the plant, can control aphids, red spiders, etc., and pour the juice into the potting soil to control nematodes.
Peppers are susceptible to diseases such as bacterial wilt and powdery mildew, and when diseases occur, it is necessary to isolate the infected plants to avoid infection, and then choose different control methods according to the disease situation.
Aphids can be sprayed. Use dish soap first to see if it can be cured: pour the dish soap into the watering can, add water to dilute, then shake the watering can vigorously until a large amount of foam is produced, and spray it on the aphid part of the pepper, about 3 times; Soak the dried chili peppers in water for 24 hours, pour the water into a watering can and spray them on the aphids; Take 3 to 4 grams of neutral laundry detergent and add 100 grams of water to dilute it, stir and spray it 2-3 times. >>>More
1. Artificial prevention and control
In the early stage of aphid infestation, it is recommended to take manual control, the specific method is to brush off the aphids with a brush or brush, and bury the swept aphids in the potting soil. >>>More
1. Garlic juice. Take a kilogram of purple garlic, add a little water and soak for a while, mash the juice, dilute it with water 10 times, and spray it immediately, which can control aphids, red spiders, scale insects and nymphs; Pouring garlic juice into the potting soil can control nematodes and earthworms. >>>More
Pepper water: take 50 grams of red dried chili peppers, add 1000 grams of water and boil for 15 minutes, filter and spray with its supernatant. It can control whiteflies, aphids, red spiders, etc. >>>More
This problem can be solved by spraying a special solution to remove aphids. And it can make the moon season grow better.