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Diseases and pests of indoor flowers. Diagnostics and treatment

Diseases and pests of indoor flowers. Diagnostics and treatment

Plant lovers have to not only take care of their pets, but also fight unpleasant insects and diseases.

Pests are able to ruin everything by their mere appearance in the house and scare inexperienced flower growers.

The main thing is to have time to notice the problem in time and help the plant.

Don't try to get rid of the flower right away.


The main pests that attack indoor flowers are aphids, thrips, spider mites and scale insects.

Spider mite

The parasite most often attacks cacti, ficuses, roses, lemongrass and other popular houseplants.

How to find a tick? If a small cobweb has formed between the leaves of the plant, it's time to sound the alarm.

How to avoid the appearance of a pest? The tick does not like moisture and water in general, it appears where dryness. Room temperature should be moderate, not elevated.

If a tick has already appeared, there are several ways to deal with it.

It is necessary to make a solution of water and laundry soap, spray the plant, cover it tightly for a day in a plastic bag, rinse it with cold water a day later and repeat the procedure. Then the plants need to be sprayed with special solutions for a week, you can make them yourself.

An infusion of citrus peels, garlic or dandelions helps. If the tick is not found in time, it will spoil all the plants that are in the house, eating one by one.


Even such a tiny insect can be very troublesome. The pest is quite common, it is familiar to many gardeners and lovers of indoor plants. It looks like a small insect of black, green or brown color. It multiplies quickly and in huge numbers. Aphids eat the leaves of the plant, drink juice from them. This leads to disease and death of the flower.

You can identify an insect by yellowing leaves, they wither and curl. Aphids can be found on a bud, young shoots, or on a leaf if the plant has thin and delicate leaves.

You can get rid of aphids both with home folk remedies and with modern chemicals. The main thing is to find the problem in time and save the plant.
Aphids do not tolerate the smell of geranium, therefore, as a preventive measure, it is good to have this plant next to others that may be attacked by an insect.


Another popular pest is the scale insect. Owners of live plants should regularly inspect even those flowers that appear completely healthy in appearance. This is the only way to prevent reproduction and get rid of insects in time.

Insects on the leaves look like specks. The favorite place of scale insects is the lower part of the leaf and the place where the leaf connects to a branch or trunk.

Fighting the scabbard is even more difficult than recognizing. The wax shell protects it from the effects of many chemicals. At an early stage, it is enough to spray the diseased plant with an insecticide solution. In an advanced stage, you will have to fight with your bare hands. With gloves, of course. A toothbrush or cotton swab moistened with karbofos solution will help.

If it is possible to remove all the pests, it will be enough to carry out the treatment with Aktara solution for two days, then repeat the procedure in a week. Thus, the plant can be saved from parasites.


Small black dots on the sheets. Larvae of other small, unpleasant parasites.

If the plant begins to change color, and the leaves are covered with specks, then it is urgently time to save your favorite flower. First of all, you need to remove infected and diseased leaves. Then treat the plant with an insecticide or other special solution.

In addition to pests, fungal diseases are a great danger to domestic plants.

Fungal lesions of indoor plants

Mycoses include more than 10 items.

Powdery mildew

A common damage to indoor plants caused by lower fungi. They parasitize plant tissues.

A friable white bloom appears on green leaves, shoots, flowers. It can be easily removed with your fingers. Affected shoots and buds do not bloom, the leaves twist, nod and fall off, the plant begins to lag very much in development and growth. The disease is transmitted to nearby plants by spores by air and by cuttings. Powdery mildew is often found in roses, begonias and chrysanthemums and others.

Downy mildew

Defeat that looks like powdery mildew at first sight. But the spots are grayish-yellow in color, which increase in size over time. On the reverse side of the leaf there is a grayish bloom. Affected leaves become corrugated, wither and fall off.

Gray rot

It affects the wilting parts of flowers, then the disease spreads to the leaves. The lesion has the appearance of brown spots with signs of decay. The spots increase in size and a gray coating appears on them. High room humidity often predisposes to the progression of the disease.

Red burn

The cause of the disease is the affected plant bulb. Leaves, buds and flowers with red linear spots grow from the affected bulb. The rapid progression of the disease is facilitated by abundant watering and changes in ambient temperature. In the affected plant, the shape of the leaves changes, the flowers wither, the bulb rots and the plant dies. The disease is typical for amaryllis.


Various mechanical damages to plants contribute to the development of the disease. The disease spreads through diseased seeds.

Leaves are affected first. The appearance of brown spots, the border of which is darker, is characteristic. Then the spots begin to gradually merge. Further, the defeat spreads to the shoots of the plant. On the shoots, oblong specks of light brownish color, which increase in size over time, a darker rim appears, they become, as it were, depressed into the stem. With the development of the disease, the leaves die, all the ground parts of the plant die off.


Damage caused by rust fungi. On the upper part of the leaf blade, brown-orange eminences appear, and on the other side of the leaf - rounded bubbles. An orange-brown ("rusty") powder containing fungal spores falls out of these bubbles when cracking.

First, polymorphic spots appear, of various colors: from red to dark brown, with a yellowish rim. Small dots appear on the spots. Then the affected leaves fall off.


Dangerous plant disease. The vessels of the stem are affected. The disease spreads through the soil or wound surfaces of the ground part of the plant. Rotting roots, yellowing of leaves are characteristic of a young plant. The tops of the plants begin to wither, and the process gradually spreads to the entire plant.


Ground parts of the plant are affected first. The leaves turn pale green, the plant withers, and only then the roots, bulbs or tubers rot and the plant dies. More often unkempt plants are attacked by insects and diseases. Flowers need attention not only during illness.

Great patience for all flower growers. Let the plants bring only joy, create comfort in the house, bloom and cheer up.

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