How to get rid of whitefly on indoor flowers: features of pest control

How to get rid of whitefly on indoor flowers: features of pest control

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Whiteflies are miniature flying insects that can cause significant damage to plants.

Large colonies of this pest take 5-7 days to completely destroy many ornamental or garden plants.

The leaves on the infected crop turn pale and dry, the growth of the stem stops. And not every florist or summer resident can easily cope with such a misfortune.

What is important to know about such damage to plants and how can you get rid of the pest?

What you need to know about a pest?

The pest belongs to the class of Lepidoptera, but the structure of the body is more like aphids. The average length of one individual is 2-3 mm... Visually, whiteflies are small white butterflies that sit on a plant or circle above it. The pest has 4 wings, covered with a white bloom. Parasites appear in the heat and high humidity (from +30 and above). In total, there are more than 20 types of pests.

The most common are:

  • tobacco, cotton and citrus (homeland - South Asia);
  • greenhouse (originate from South America);
  • cabbage and strawberry (habitat - middle latitude of Russia).

A characteristic sign of whitefly infestation is a white bloom on the top of the leaf that glistens in the light. This plaque is a waste product of the pest. It contains the causative agents of many viral diseases (jaundice, chlorosis, curly leaves). Later, the whitefly defecation can turn into a sooty fungus.

Reasons for the appearance

Whitefly is a heat-loving insect that lives and reproduces in a humid environment. greenhouses, nurseries, greenhouses. Plants placed tightly to each other, poorly ventilated room - a favorable environment for the appearance of the parasite. You will learn how to get rid of whitefly in the area and in the greenhouse in this article.

REFERENCE! At temperatures below 10 degrees, the whitefly dies, but its larvae remain unharmed (they can winter at lower temperatures).

So, the common reasons for the appearance of a pest:

  1. contaminated soil;
  2. buying infected seeds or plants;
  3. penetration of whiteflies through a greenhouse door or window;
  4. lack of ventilation of the greenhouse, greenhouse (stagnant air);
  5. high air humidity and heat.

A photo

Next, you can see the photo of the pest:

How to get rid of an insect on flowers

You can get rid of a dangerous insect using several methods. Chemical preparations, folk recipes, and mechanical devices are suitable for combating the pest.


This is the most radical and fastest method. The treated plant absorbs active substances from the preparation and becomes poisonous.... The whitefly drinks the poisoned juice and dies within a few hours. It is best to treat plants with chemicals 2-3 times with an interval of 7-10 days.

During the procedure, be sure to wear gloves and a respirator.

It is better to spray the plant outdoors.

What drugs should you pay attention to? The indicated dosage may vary depending on the specific type of plant, be sure to clarify the proportions in the instructions or on the package.

  • Pegasus. Dosage: 2 ml per 1 liter of water. Spray 2 times. In the first week, 1 time, after a week repeat the procedure.
  • Verticillin J. 25 ml per 1 liter of water. Spray 2 times in 7-10 days.
  • Admiral: 3 ml per 10 liters of water.
  • Biotlin, Commander, Tanrek (5 ml per 10 liters of water).

All the details about the most popular whitefly remedies, as well as how to properly prepare the solution and process the plant, we told here.

How to destroy it using folk methods?

Effective folk remedies include decoctions of various herbs, infusions based on garlic or onions, soapy water, ash. These recipes will be effective only with a small number of pests. Also, the funds can be used for preventive purposes.

Tobacco decoction
  1. Brew the tobacco with boiling water, close the lid and leave for 5 days.
  2. Strain through a gauze filter, spray 2 times a day.
Garlic or onion infusion
  1. Chop 2 cloves of garlic or 1 medium head of onion, pour 1 liter of hot water.
  2. Insist for about 5-7 days.
  3. Use for spraying.
Soapy water
  1. Dissolve household or tar soap in water (1: 6).
  2. Spray only the leaves of the infected plant.
Infusion of Yarrow Herb
  1. Pour 100 g of raw materials with 1 liter of boiling water.
  2. Insist for 2-4 days.
  3. Filter, spray the plants 2-3 times a day.

How to withdraw with special traps?

Whitefly glue traps are designed like fly traps. They are adhesive tape with a sticky composition of yellow or white. Falling on such a trap, the whitefly sticks and can no longer fly away; over time, it dies. You can buy a trap in specialized shops for the garden and vegetable garden. When choosing, pay attention to the firms Pheromone, Argus.

IMPORTANT! Read the instructions and be sure to wear gloves before installing the adhesive tape on the plant. Once installed, rinse hands thoroughly with cleanser and water.


This is a device that gets rid of flies and mosquitoes. And it is usually used in everyday life in order to protect the home from insects.

But the agrarians note that the adaptation is effective in the fight against other pests, including the whitefly.

Fumigators are available with plates or with liquids. To eliminate whiteflies, it is better to take a device with a liquid, since individuals cannot tolerate chemical vapors.

The fumigator must be installed next to the plant, then the room must be isolated... The device works from the mains; for convenience, you can use a power strip.

Features of pest control methods on a grenade

The exact steps and actions depend on the type of grenade. If a whitefly attacked a room grenade, the following algorithm would be appropriate.

  1. Take the pomegranate to the bathroom and rinse the leaves thoroughly under running cold water. Rinse the back of each leaf especially well, use a sponge if necessary.
  2. Transplant the plant into another pot with new soil, dispose of the old contaminated soil.
  3. Place the plant in a cool place. Pomegranate is unpretentious, it loves coolness, so you can even put it in the refrigerator for a while. In winter, take it to the balcony or loggia. Be sure to monitor the temperature - the permissible indicator is not lower than -7 degrees.
  4. Indoor pomegranate can be rid of whiteflies using folk recipes (they are non-toxic, do not pose a danger to humans and animals). When processing with chemicals, pomegranates must be isolated.

If a whitefly attacked a pomegranate in the garden, cold showers several times a day will help to cope with it. After it, you should additionally spray the tree from a spray bottle. You can add soapy water or onion / garlic infusion to it. Sticky traps do a great job with whitefly. If there is no effect, chemicals come to the rescue.

Preventive measures

To prevent infection in a greenhouse or at home, it is enough to regularly and efficiently ventilate the room. In high humidity, it is forbidden to water and spray the plant... At home, place the pots at a distance from each other; when growing in beds, observe the distance when planting seeds.

Prevention in the garden

  1. In late autumn, be sure to dig up the soil. This will allow the larvae to be raised to the surface, which have buried for wintering.
  2. After harvesting, remove all plant residues outside the garden and burn.
  3. There should be no compost heap on the site. This is the habitat and wintering place not only for whiteflies, but also for other pests.
  4. Before planting plants in the greenhouse, its frame and coating must be disinfected with bleach. You also need to treat the soil with a solution of copper or iron sulfate.

The whitefly is a dangerous insect that is difficult to control. But a complex of chemical, folk and mechanical methods will help get rid of the pest as soon as possible. To exclude re-infection, be sure to follow the rules of prevention.

Watch the video: Cannabis pest control Neem oil Whitefly (May 2022).


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