What is the best way to kill aphids on plant flowers?

Keeping some plants at home can green the environment and is good for the human body, but some insects such as aphids can harm plants. If plants are attacked by insects, their growth will be affected or they may even fail to survive. This will cause some trouble for people who grow flowers and trees. Don't worry, at this time we have to find a way to get rid of insects. What is the best way to kill aphids on plant flowers? Let’s take a look below.

1. Washing powder solution

Take 2 grams of laundry detergent, add 500 grams of water and stir to make a solution, add 1 drop of cleaning oil, and spray on the insects on the plants. It can kill aphids, scale insects, red spiders, green moths, white butterflies, whiteflies, etc. Flowers with tuberous roots (such as peony and dahlia) or bulbs (such as lily and amaryllis) and fleshy roots are easily harmed by nematodes. You can also use a 1000-fold diluted laundry detergent solution to pour around the roots of the plants.

2. Soap liquid

Take soap and hot water in a ratio of 1:50, dissolve them and spray them. It is effective against aphids and scale insects. Or use half a basin of clean water, add a little laundry detergent or rub some soap, preferably medicated soap, stir up the foam, press the branches of the potted flowers in the soapy water to rinse, or use a soft brush dipped in soapy water to apply to the branches and leaves. After a few days, pests such as aphids, scale insects, and red spiders can be eliminated.

3. Tobacco Liquid

Tobacco contains nicotine, which has a strong contact killing effect on aphids, red spiders, ants, etc., and also has fumigation and stomach poison effects. Take 20 grams of tobacco powder or shredded tobacco, add 500 grams of water, soak for 24 hours, then filter, add 500 grams of 2% soapy water to the filtrate, and spray it on the infested leaves; you can also spray the filtrate directly on the potting soil and around the bottom of the pot without adding soapy water to kill pests in the soil.

4. Garlic liquid

Treat powdery mildew and black spot disease of rose. Take 30 grams of garlic, mash it and add 500 grams of water, stir well and filter it. Apply the filtrate to the leaf surface in a basin, once a day, spray 3-4 times in a row. For severe cases, you can use a brush or toothbrush to apply the garlic liquid directly to the affected area. Mashing garlic and inserting it into the soil in pots can also kill earthworms, ants and nematodes.

5. Onion juice

Take 50 grams of green onion and mash it into a paste. Add 50 grams of water and soak it for 12 hours. Use the filtrate to spray the plant several times a day for 3-4 days. This can cure soft pests such as aphids and powdery mildew.

6. Ginger juice

Mash ginger into a paste, add 20 times the amount of water and soak for 12 hours. Spray the filtrate to prevent leaf spot, sooty mold, rot, black-brown disease, etc. It can also prevent aphids, red spiders and leaf miners.

7. Rice vinegar

Rice vinegar is rich in organic acids, which have a good inhibitory effect on bacteria. Spray 150-200 times diluted rice acid solution on the leaves once every 7 days or so, for 3-4 times in a row, to prevent and control powdery mildew, black spot, downy mildew, etc.

8. Baking Soda Solution

Take 5 grams of baking soda, dissolve it with a small amount of alcohol first, then add about 1000 grams of water to make a 0.5% concentration solution, spray it on the plants to prevent and control powdery mildew.