Nine tips for eliminating orchid pests

We know that orchid diseases and insect pests are usually treated by pesticide spraying, but pesticides can also produce many side effects, such as environmental pollution, long-term spraying of a single drug will also make orchid diseases and insect pests produce drug resistance and so on. In view of these phenomena, florists use their wisdom to find a lot of natural prevention and control methods through long-term exploration and research. Here are nine tips for eliminating orchid diseases and insect pests.

Tip 1: ingenious use of tea bran

Tea bran, commonly known as tea seed cake, is the residue left after tea seed oil extraction, which is often used by farmers to wash clothes. Tea bran contains saponins and glycosides, which shows alkalinity with the water it passes through, and has a good stomach toxicity and contact killing effect on insect pests.

Tip 2: use odorous vegetables skillfully

Odorous vegetables have their own peculiar smell, and their odors can play a role in insecticidal and sterilization. If take a little garlic, mash and squeeze juice, then dilute with water, then spray orchid to cure aphids, red spiders, shell insects and Botrytis cinerea.

Tip 3: the wonderful use of cigarette butts

Cigarette butts contain nicotine, which has a strong contact and stomach toxic effect on pests. For example, pick up some leftover cigarette butts and a portion of quicklime, add water to stir and filter, and then add clear water to stir, and use it to spray orchid plants, basin soil and basin bottom, which can eliminate ants and other waxless pests.

Tip 4: use laundry detergent skillfully

The washing powder can dissolve the cornea of the shell worm and form a layer of foam to wrap it around the worm, causing the shell worm to suffocate to death. Therefore, washing powder solution can control some diseases and insect pests.

Tip 5: liquor insecticidal method

Mixing liquor and water at 1:2, spraying orchid plants once a week and spraying three more times can kill scale insects.

Tip 6: the wonderful use of citrus peel

Putting the citrus peel at the bottom of the basin can prevent ants and other pests from entering the pot soil to harm orchids. Citrus peel can also be cut into pieces, scattered on the surface of the basin soil, not watered for a few days, can treat aphids, shell insects and so on.

Tip 7: Brown sugar

The powdery brown sugar and boiled water were mixed at the ratio of 1 to 100. After cooling, the orchid plant was sprayed with brown sugar solution once every 3 days for three times, which had a good effect on the control of downy mildew, powdery mildew, black spot and leaf blight.

Tip 8: the wonderful use of plant ash

Plant ash and water are soaked in the proportion of 1:50 for two days and then filtered. Spraying orchid plants with filtrate can not only cure aphids, but also increase potash fertilizer.

Tip 9: use vinegar skillfully

Mix vinegar and water at a ratio of 1:8 and spray the orchid leaves evenly on the front and back of the orchid leaves to treat scale insects. If the scale insect has become an adult, it can slightly increase the acidity of the mixture and spray it once every three days for three more times, which can kill the scale worm of its own adult. Foliar spraying vinegar can also eliminate black spot, powdery mildew, leaf spot, chlorosis and so on.