1： Smelly vegetables

Peculiar smell vegetables have their own peculiar smell, which can kill insects and sterilize. The smelly vegetables commonly used in families include scallions, garlic, leeks, ginger, onions, etc

Main usage: take an appropriate amount of smelly vegetables. Mash it into juice, mix it with less water, and spray the orchid directly. It can cure aphids, red spiders, scale insects and gray mold

2： Tea seed cake

It's the last residue of making tea, because it contains a lot of saponins and glycosides, which has a good contact killing effect on pests after soaking in water

Usage: soak the tea residue in water overnight, water the orchid basin, or spray the orchid plant, which has a good control effect on aphids and red spiders

3、 Cigarette butts

Tobacco leaves contain nicotine, which can kill pests

Usage: take more than 20 cigarette butts and a portion of quicklime, add water, stir evenly, soak for one night, then filter, add 30 times of water, spray orchids directly with it, and spray the basin bottom to eliminate ants and other pests

4、 Washing powder

detergent can dissolve the cornea of the scale insect, and form a layer of foam to wrap up the insect body, so that the scale insects suffocate and die. Washing powder solution can control some diseases and insect pests

Usage: dissolve washing powder with a small amount of warm water, dilute it with water to 1000 times, and spray orchid plants to kill aphids, whiteflies and red spiders

five, Baijiu

mixed the Baijiu and water according to the ratio of 1:2, sprayed the orchids, sprayed once a week, continued spraying three times, killing the scale insects. p>

6、 Orange peel

Putting the orange peel on the bottom of the basin can prevent insects such as ants from entering the basin soil to harm the orchids. Orange peel can also be cut into pieces and sprinkled on the surface of the basin soil. Without watering for a few days, it can cure aphids, scale insects, etc

7、 Brown sugar

Mix powdered brown sugar and boiled water in the ratio of 1:100, spray the orchid with brown sugar solution after cooling, and spray it once every 3 days for three times, which has a good effect on the control of downy mildew, powdery mildew, black spot and leaf blight

8、 Diesel

Diesel oil and water are mixed into emulsion in the ratio of 1:60, and then diluted with 100 times water and sprayed with orchid strains to treat scale insects

9、 Plant ash

Soak the plant ash and water in the ratio of 1:50 for two days and nights, filter it, and spray the orchid plant with the filtrate, which can not only cure aphids, but also increase potassium fertilizer

10、 Vinegar

Mix vinegar and clean water in the ratio of 1:8, and spray it evenly on the front and back of orchid leaves to treat scale insects. If the scale insects have become adults, slightly increase the acidity of the mixture, spray it once every three days and continue for three times to kill the scale insects of their own adults. Spraying vinegar on the leaves can also eliminate black spot, powdery mildew, leaf spot, yellowing and so on. Avoid industrial acid and vinegar