Balcony flowers and plants have insects dare not use pesticides? Then make it harmless yourself.

At present, more and more people like to grow all kinds of flowers and vegetables on their balconies. In a warm indoor environment, green leaves are easy to breed pests such as aphids, red spiders, whiteflies, leafhoppers, thrips, leaf rollers and so on. Conventional chemical pesticides are not only toxic, but also have a large number of residues after use, which seriously affect the health of people, especially children.

Today, we recommend several plant or kitchen pesticides that can be used locally, easy to make, no drug harm, no residual poison, no pollution, and have a better control effect on common diseases and insect pests of flowers and plants on the balcony.

1. Tobacco water

Take 50 grams of tobacco (such as tobacco stalks, sticks, cigarettes need to be doubled), add about 1500 grams of water, soak for one day and night, in the soaking process, repeatedly knead several times and then remove and filter. Add 0.1% neutral washing powder to the filtrate and mix it evenly to spray. Tobacco water can control aphids, red spiders, whiteflies, leafhoppers, thrips, bugs, leaf moths and other pests.

Little knowledge: why is it not easy for people who smoke at home to give birth to bugs? It is because smoking releases nicotine, nicotine has the effect of killing insects. When I say this, it does not mean that I recommend smoking indoors. First-hand smoke, second-hand smoke and even third-hand smoke do great harm to the human body.

2. Citrus seed / peel extract

Soak citrus seeds in water for 3-5 days in a ratio of 1:5 to water. Soak the flowers or seedlings in the extract for 5-10 minutes, then sow or plant, most pests and ants do not harm. The citrus peel extract (1:10-20) was sprayed directly on flowers and trees, which also had repellent effect on aphids and other pests.

3. Garlic water

Mash the garlic cloves into mud, mix with the same amount of water, and spray the original solution with 50 times of water. it has a good control effect on aphids and red spiders.

4. Green onion water

The outer skin and fence leaves of onions are mashed, soaked in water for 10 times and filtered for several hours before spraying, which can control aphids, software pests and inhibit the spread of powdery mildew.

5. Ginger ale

Fresh ginger is mashed and squeezed out of juice and sprayed with water about 20 to 25 times, which can inhibit the germination of spores of rot, coal fouling and other bacteria.

6. Pepper water

Take 1 part of Zanthoxylum bungeanum, add 5 ~ 10 times to boil into the original solution, filter and then spray about 10 times of water, which can control aphids, whitefly, leafhopper, shell cocoon nymph, borer and so on.

7. Leek

Take 250g fresh leek, mash it into paste, then soak it in 500g water for 30 minutes, filter out the juice, spray the juice on the plant, have a good effect on killing aphids and diseases, and can also be used for soil disinfection. After filtering with leek juice and water at 1:60 and spraying the diseased plant 1-2 times a day, black spot can be controlled.

8. Towel gourd

The fresh towel gourd is mashed, mixed with 20 times water, and its filtrate is sprayed, which can be used to control pests such as cabbage insects, aphids, red spiders and cabbage borer.

9. Onion

Take 10g onion, mash it and add 400-500g water, soak it for one day and night, then filter and spray the plant, which can control aphids and red spiders.

10. Chili

The fresh pepper (must be red pepper, not green and sweet pepper) 50 g, add about 1000 g of water, boil in the pot for half an hour, cool and spray the flowers, which has a good effect on the control of red spiders and aphids.

11. Masson pine

Take pine needle 5kg, add boiled water 5kg, soak airtight for 2 hours and then filter, it can control whitefly and leafhopper. Take the pine needle and cook it with water for 2 hours to make it slightly gelatinous. The filtrate can be diluted with water at 1:1 to prevent root rot.

12. Platycladus orientalis

Mash the leaves and add the same amount of water to mash, squeeze out the juice, then add water twice as much, and prepare the spraying liquid, which can prevent and control aphids. The 10-fold aqueous solution of Platycladus orientalis liquid has obvious effect on the control of flower and tree rust.

13. Willow leaves

The willow leaves are mashed, water is added 3 times, soaked for half a day, filtered and sprayed directly, which can kill aphids, flowers and other pests, and the effective rate is more than 85%.

14. Ginkgo biloba

Put the fruit into the mortar, mash it and add the same amount of water to filter the original liquid. When in use, the original solution is diluted with water at 1:2 according to the volume ratio, which can control aphids.

15. Potassium permanganate

The powdery mildew can be prevented by spraying 0.02%-0.03% potassium permanganate aqueous solution once every 2 to 3 days and twice seriously.

16. Pyrethrum

Pyrethrin in the flowers of pyrethrum has a strong contact and stomach killing effect on insects, and can kill aphids, leafhoppers, shell insects, caterpillars and other flower and tree pests. The flower of pyrethrum is mashed with water, the ratio of flower to water is 1:5, soak for one day, filter, and spray the damaged flowers and trees with filtrate.

17. Alcohol leaf wiping method

By gently and repeatedly wiping the leaves damaged by the shell insects with alcohol, the scale insects can be removed, and even the larvae invisible to the naked eye can be completely killed.

18. Soda water spraying method

The prevention and treatment rate of powdery mildew of flowers and plants such as rose, chrysanthemum, impatiens, hibiscus, melon and leaf chrysanthemum could reach more than 80% after fine spraying with 0.1% bicarbonate (NaHCO3) solution.

19. Washing powder solution spraying method

The specific preparation method is to mix well with 1 g washing powder and 100-180 g water. Spraying once a week for 2-3 consecutive times can control the damage of scale insects and aphids. But should pay attention, want to choose neutral detergent, if discover tender leaf has burn phenomenon, can spray some clear water in time to rinse off residual liquid.

20. Wind oil essence spray method

The spray diluted 600-800 times of the essential oil can control aphids, red spiders, shell nymphs and moth butterfly larvae, and the insect control effect is up to 90%. Can use toilet water instead of wind oil essence!

21. Spraying method of sweet and sour solution

Spraying potted flowers with the mixture of 2g sugar, 3G vinegar and 95g water can kill many kinds of pests and bacteria, and has a good effect on chlorosis caused by iron deficiency in flowers and trees such as camellia and rhododendron.

22. Meisaoling spray method

The Mianshiling spray sold in the market can not only kill mosquitoes, flies and cockroaches, but also a good medicine to control flower and tree pests. When it is found that flowers and trees are damaged by aphids, red spiders, shell insects, whiteflies, caterpillars and flies in the soil, the insect can be treated with Mianshiling spray. But we should be careful not to spray too much, otherwise it will cause damage to some delicate indoor foliage flowers and trees.

23. Mosquito incense fumigation

Put the damaged potted flowers in a container such as a jar, light a plate of mosquito-repellent incense, cover the cylinder mouth with plastic film, fasten it with rope, and then make a small hole in the plastic film. The small and medium potted flowers can be taken out in one hour, and the large ones can be taken out in three hours. Once effective, both adults and eggs can be killed.

The author gives priority to recommend the first 21 methods, which do no harm to the human body, especially children. When the pest is more serious, you can choose the last two methods, with immediate results!

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