Don't throw away onions, ginger and garlic at home and use them to deal with diseases and insect pests best.

Garlic:

Smash the whole garlic cloves and soak them in 1 liter of water. Soak for 2-3 hours, then spray the diseased flowers and plants with garlic-soaked water. Garlic water is mainly used to control leaf spot, anthracnose and aphids.

Green onions:

Leave the green onions white, crush them and put them in water. Soak for about a day, then spray green onion water on the roots and leaves of the plant. Can prevent powdery mildew and aphids.

Jiang:

Smash the ginger, then soak it in water for 5-6 hours and spray it on flowers and plants to treat Pythium.

Leek:

Break the leek and soak in water. Spraying plants with leek water can treat plants covered with aphids.

Wind oil essence:

Dilute the essential oil 500 times and then spray it on the roots of the leaves of flowers and plants to prevent aphids and red spiders.

Black vinegar:

Diluting edible vinegar with water 300 times and spraying on the branches and leaves of plants can prevent black spot, downy mildew and powdery mildew. Not only can prevent these fungal diseases, vinegar can also increase the chlorophyll content of flowers and plants, and then promote plant growth.

Cigarette water:

Soak the cut tobacco in water, about 5 cigarette butts in a Coke bottle. Spray plants with water after 12 hours to prevent the growth of aphids and red spiders.

Dakenin:

Dakening can not only treat fungal diseases on the surface of the human body, but also play a therapeutic role in plants. It is mainly used in black spot, leaf spot and gray mold. The area should be larger when smearing. Another advantage of using these drugs is that they can prevent fungal diseases from spreading to other plants.