There are a lot of white dots on the orchid, and it doesn t seem to be an insect, what should I do?

If small white dots appear on the leaves of a one-leaf orchid, the following methods can be considered:

1.Place it in a windy place and maintain a well-ventilated environment, which will reduce the appearance of white substance.

2.Use a toothpick to gently remove the white substance from the leaves.

3.Use a toothbrush to brush off the white substance from the leaves, which can make the leaves look more green and beautiful.

4.If the white substance may be due to scale worm disease, the back of the leaves can be inspected for eggs, and if so, the eggs can be gently wiped off with a damp towel and the plants can be sprayed with carbendazim solution for sterilization.

Please note that the orchid is sensitive to environmental changes, so you need to be careful when taking the above measures to avoid causing more damage to the plant. If the problem is severe, it is advisable to contact a plant care professional for treatment.

You are a mealybug, is a kind of scale insect, you see the white powder is its protective film, see your current condition is very serious, the dark red is already an adult, this pest is mainly to suck the juice of plants, and are on the young leaves, the speed of infection is still very fast, especially in summer is the peak season, and the plants next to it should be removed quickly. Slowly the plant will turn yellow, quickly wipe it off with a damp rag, then soak it in water with tobacco and spray it on it. The most important thing is to spray medicine and use dimethoate.

Introduce how to kill orchid scale insects.

Leaf spot disease often occurs in the leaves, with yellow dots on the leaf surface at the beginning of the infection, and round lesions gradually form behind the surface. Watering and fertilizing are prone to occur when they are often sprinkled on the foliage.

Prevention and control method: spray 50% carbendazim 1000 times, spray once every 10-15 days, and spray 2-3 times continuously.

The whitish leaves of the silver-hearted spider plant may be caused by pests and diseases, and if powdery mildew appears, it is necessary to spray the plants with fungicides in time. Improper temperature can also make its leaves whitish, so it is best to move it indoors to a warm place in winter. Improper lighting will also make his leaves whitish, so it is best to place them in a place with sufficient scattered light for daily maintenance.

Nutrient solution:

The normal growth of plants needs to consume nutrients every day, so hydroponic plants also need to regularly supplement elements, but it is necessary to pay attention to the special nutrient solution for hydroponics, the special nutrient solution for hydroponics has been prepared in strict proportion according to the various nutrients required by hydroponic plants every day, and the ordinary flower fertilizer ingredients on the market are very single, and the use of hydroponic plants will cause serious excess of some elements, and some elements are seriously insufficient, so that hydroponic plants can not grow normally. How to use: Combined with the time of water change, use a few drops according to the capacity of water in the container and the concentration of the nutrient solution instructions after each water change.

When cultivating a leaf orchid, it is found that there are white insects on the leaves of the plant, so you need to wipe off the insects with a paper towel, and you also need to use scissors to cut off the infected leaves to avoid the rest of the healthy branches and leaves are also infected by the bacteria, and you also need to spray 1-2 times every other week to eliminate the bacteria and hall, and you need to replace the disinfected and loose and breathable soil for the one-leaf orchid.

1. Manual pest control

When cultivating a leaf orchid, if you find that there are white sedan color insects on the leaves of the plant, you need to immediately remove the insects manually, this white insect may be a scale insect, the scale insect will eat the leaves of the leaf orchid, and the plant is infected with leaf spot disease, you can use a paper towel stained with disinfectant to wipe off the insects, and promote the healthy growth of a leaf orchid.

2. Cut off the diseased leaves

When cultivating a leaf orchid, it is found that there are white insects on the leaves of the plant, so it is necessary to immediately use sharp scissors to cut off the yellow leaves and diseased leaves of the leaf orchid to avoid further deterioration of the situation, and the scissors need to be sterilized at high temperature, and the diluted potassium permanganate solution needs to be applied to the wound of the leaf orchid to make it quickly restore health.

3. Spray the agent

When cultivating a leaf orchid, it is found that there are white insects on the leaves of the plant, so it is necessary to place the leaf orchid in a ventilated semi-shaded environment, and it is also necessary to spray 1-2 times of fungicide every other week.

4. Replace the soil

When cultivating a leaf orchid, it is necessary to change the soil every 2-3 years, the soil can be rich in a variety of nutrients and good drainage humus, and a certain amount of nitrogen, phosphorus and potassium mixed fertilizer can also be applied in the soil to make the soil more fertile, and the soil needs to be disinfected at high temperature to avoid the infection of the leaf orchid by pathogens.

There are six ways to do this:

1. Place in a windy place. If there is a lot of white substance on the leaves of the orchid, it is caused by the lack of ventilation in the environment, so it should be placed in a windy place, so that the orchid can grow better, and it can also make the orchid grow more lush, and it is very important to open the window often for ventilation.

2. Remove with a toothpick. Prepare a toothpick and use a toothpick to remove the white substance from the orchid, you need to be more patient, and remove all the white spots in time, which can make the orchid look better and make the orchid leaves more beautiful.

3. Brush off with a toothbrush. Brushing the white spots off the orchid leaves with a toothbrush can make the leaves look greener and more beautiful. Therefore, treat it with a toothbrush in time, so that the orchid can grow better.

4. Spray water regularly. If there are white spots on the leaf surface of the orchid, it means that the leaves have insects and need to be treated in time, so that the orchid can grow better and the orchid grow healthier. Spray the leaves regularly to keep them moist and make the orchid grow better.

5. Use of drugs. White spots on the leaves of orchids indicate that scale insects have grown and can be removed with pesticides.

6. Water in time and get more sunlight. Orchids need sunlight and water in the daily breeding process, so try not to plant in a place where there is a lack of sunlight, put orchids in a sunny place, and water them in time.

The leaves of the orchid have white spots, if it is caused by the scale insect, pinch it off directly when the number is small, and make a homemade solution to deal with it, or you can set up the orchid plant, and then use mosquito incense to smoke it, when the scale insect is more serious, you can buy the cocoon Bizhi, cocoon to spray, and replace the soil once after spraying. If it is caused by powdery mildew, it is necessary to remove the severely infected leaves, strengthen ventilation, and spray carbendazim, chlorothalonil, methyl tobuzin and other fungicidal drugs for reference only.

Summary. The leaves of the orchid have white spots, if it is caused by the scale insect, pinch it off directly when the number is small, and make a homemade solution to deal with it, or you can set up the orchid plant, and then use mosquito incense to smoke it, when the scale insect is more serious, you can buy the cocoon Bizhi, cocoon to spray, and replace the soil once after spraying. If it is caused by powdery mildew, it is necessary to remove the severely infected leaves, strengthen ventilation, and spray carbendazim, chlorothalonil, methyl tobuzin and other fungicidal drugs.

The leaves of the orchid have white spots, if it is caused by the scale insect, pinch it off directly when the number is small, and make a homemade solution to deal with it, or you can set up the orchid plant, and then use mosquito incense to smoke it, when the scale insect is more serious, you can buy the cocoon Bizhi, cocoon to spray, and replace the soil once after spraying. If it is caused by powdery mildew, it is necessary to remove the severely infected leaves, strengthen ventilation, and spray carbendazim, chlorothalonil, methyl tobuzin and other fungicidal drugs.

You can brush it off with a toothpick or toothbrush.

The tip of the leaf has a white edge called a silver mouth.

The white edge of the leaf is a kind of leaf art, only the tip of the leaf has a white edge called the silver mouth, more than one-third of the leaf length with a white edge is called the silver edge, the whole leaf is all white with a white edge called the silver wheel, all varieties of orchids may appear this kind of edge art. Such as Chunlan silver mouth, Huilan overturning wheel, silver edge Jianlan and so on.

1. Jianlan, a terrestrial plant. Leaves 2-6 clustered, thinly leathery, band-shaped, soft, curved and drooping, 30-50 cm long, wide, slightly shiny, apex acuminate, margins inconspicuously obtuse. The flowers are erect, 20-35 cm high, and shorter than the leaves.

There are usually 4-7 flowers, up to 13 flowers.

The upper part of the flower bract is less than 1 cm long in the middle of the inflorescence axis, and the lowest one is up; The flowers are light yellow-green, with a clear aroma; sepals narrow, round-lanceolate, about 3 cm long, 5-7 mm wide, light green, green at the apex, pale at the base, with 5 darker veins; The petals are short, close to each other, and light in color with purple markings.

The labial flap is inconspicuous with 3 lobes, the lateral lobes are light yellowish-brown, and the labial disc ** has 2 half-moon-shaped folds, white, the middle lobes are reversed, and the pale yellow is with purplish-red spots. Flowering period is from July to October.

2. Chunlan, a terrestrial plant. Pseudobulb sets to form clumps. Leaves 4-6 clustered, narrowly banded, 20-40 cm long, 6-11 mm wide, apex acute, margins finely serrate.

The flowers are erect, much shorter than the leaves, and are sheathed by 4-5 pieces; bracts long and broad, longer than the ovary with peduncles; The flowers are solitary, less than 2 flowers, 4-5cm in diameter, light yellow-green, with a clear fragrance.

Sepals nearly equal. narrowly oblong, 6-8 mm long and left and right wide, apex acutely pointed, midrib base with purple-brown stripes; petals ovate-lanceolate, slightly shorter than sepals; The labial flap is inconspicuously 3-lobed, shorter than the petal, light yellow with purplish-brown spots, the apex is reversed, and the labial disc ** has 2 folds from base to middle. Flowering period is from February to March.

3. Orchid, a terrestrial plant. Leaves 7-9 clustered, erect, 25-80 cm long, about 1 cm wide, often folded in the middle and lower parts, apex acute, basal joints indistinct, margins finely serrate; It has distinctly transparent veins. Flowers erect, 30-80 cm high, greenish-white or purplish-brown, sheathed by several elongates; The racemes have more than 6-12 flowers.

The peduncle is often shorter than the peduncle, and the bottom one is longer, up to 3 cm long; flowers pale yellow-green; sepals nearly equal, narrowly lanceolate, 3-4 cm long, 6-8 mm wide, apex acute; petals slightly smaller than sepals; Labial lobes indistinctly 3-lobed, shorter than sepals, lateral lobes erect, with purple spots, middle lobes elliptic, with transparent papilloid hairs on top, marginal hairs, with white purplish-red spots, labial disc with 2 slightly curved folds from base to middle. Flowering period is from April to May.