Planting small potted plants at home, sometimes pests, how to prevent these pests? The use of pesticides is a good choice, in fact, pesticides do not have to go outside to buy, use some of the items at home we can make pesticides, the following teaches everyone Ten methods of homemade insecticides, each of which is different for the pests targeted by the homemade insecticide.
1, cigarette soaking water
Take 2-3 pieces of tobacco or smoked cigarettes, and add 1000 grams of hot water for one day. After the water turns yellowish brown, the cigarette slag is filtered, and a small amount of washing powder can also be sprayed.
Control: scale insects, red spiders, spider mites, whiteflies, thrips, cockroaches, leaf curlers and many other leaf-eating pests, ants can also be expelled.
2, washing powder solution
The washing powder is dissolved in 150~300 times of water, and the solution can dissolve the waxy layer of the pest surface and infiltrate into the worm body, block the stomata of the pest body, make it suffocate and die, and have a strong contact effect on the pest. Should be selected for use in detergent powder.
Control: spider mites, red spiders, termites, aphids, worms.
3, detergent solution
It can be mixed with 1-3 drops of detergent and 500 grams of water, spraying the back of the leaves once every four or five days until the pests are completely eliminated.
Control: aphids, spider mites, scale insects, white flies, etc.
4, soapy water
You can take ordinary soapy water or scrape some soap, use hot water to open, add water in a ratio of 1:50, and spray after cooling. Note that soapy water cannot be used for a long time, otherwise it will cause alkalinity of the soil.
Control: mites, red spiders, etc. If soaking the cigarette in the soapy water, it can not only improve the control of aphids and red spiders, but also treat the thrips, whiteflies and leafhoppers.
5, ginger juice
Take some ginger and pour it into a mud, soak it in water 20 times with water for 12 hours, filter it and spray it with filtrate.
Prevention and control: leaf spot disease, rot disease, coal pollution disease, black spot disease, etc., can also control aphids, red spiders and leaf miners.
6, garlic juice
　　 Take garlic 1-2 petals, chop the garlic juice, add 700 grams of water to soak for a while, then spray and spray.
Prevention: Aphids, red spiders, scale insects and other pests have a good effect on the prevention and control of powdery mildew and gray mold. Pouring this liquid into the potting soil can control nematodes, mites and the like.
7, dry red pepper boiled water
Take 50 grams of dried red pepper, add 1000 grams of water and boil for 15 minutes. After filtering, take the supernatant and spray.
Prevention and control: whitefly, red spider, aphid, cockroach and other pests.
8, pepper water
50 grams of pepper, add about 500 grams of water in the pot to boil, simmer into 250 grams of liquid, when used, add water 6 to 7 times spray. Control: whitefly, scale insects and aphids.
9, rice vinegar solution
Rice vinegar is rich in organic acids and has a good inhibitory effect on pathogens. Add a few drops of rice vinegar with water, spray the solution on the foliage, spray once every 7 days, and spray 3 to 4 times.
Prevention: black spot, powdery mildew, downy mildew and so on.
10, wind oil solution
Drop 1-3 drops in a spray bottle filled with clean water and shake it to make a spray solution.
Control: mites, scale insects, red spiders, small black fly, etc.
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