Maria Lukyanenko/ article author
Identification of pests, work with insect cultures, micrograph of insects, bibliographic studies.

How to deal with aphids in a greenhouse

A greenhouse is a construction due to which it is possible to grow and feast on fragrant tomatoes, cucumbers, bell peppers or eggplants even in early spring. The joy of observing ripening and juice-filled fruits can be overshadowed by the appearance of aphids - a dangerous pest of garden crops. Feeling at ease in the greenhouse, the insect multiplies rapidly and harms the entire crop. Therefore, the question of how to get rid of aphids in a greenhouse is relevant for every grower who has encountered such a problem.

Varieties of greenhouse aphids

Aphid It is a small (up to 5 mm) insect having thin paws and fairly delicate integuments. Thanks to the piercing-sucking mouth apparatus, she uses plant cell sap as food. As a result, the leaves begin to fade and sag. Young shoots are deformed, the surface of leaf plates becomes sticky and shiny. This leads to shedding of the ovaries and inhibition of plant growth.

On a note!

Usually in greenhouses there is potato, greenhouse, melon, root, and sometimes currant aphids. Representatives of all these species are able to winter in the greenhouse and even develop.

Why aphids start in greenhouses

Aphid in the greenhouse
Aphid in the greenhouse

Many gardeners are perplexed by what aphids appear in the greenhouse. However, it is precisely such rooms with a raw microclimate that favor not only the growth of seedlings, but also the spread of pests. Aphids can penetrate the greenhouse, being in the ground, on the handle or with organic fertilizing, which is treated with seedlings. She has a chance to fly during airing.

Having discovered a harmful insect, you must immediately begin to eliminate it. Otherwise, in just a few days, all plants growing in the greenhouse will be affected.

Methods of struggle

The fight against aphids in the greenhouse can be carried out in various ways:

Mechanical impact

This method involves manually collecting insects. To this end, buds damaged by the pest, leaves are torn off and burned. Such a process requires a certain amount of time, patience and strength, since it is very tiring and not always effective to deal with aphids in a greenhouse in this way. After all, skipping a sheet on which a whole family of pests lives is very simple. Therefore, it is used only with a slight infection of plants in the greenhouse.

Biological method

Another method that is used in the fight against aphids. Enough to bring in the greenhouse ladybug, which is capable of destroying more than one hundred aphids in a day.

On a note!

Very gluttonous and agile predatory gall midges will not refuse to eat aphids. They live in peat fillers, which can be bought at any specialized store.

Chemical method

Chemical aphid extermination methods
Chemical aphid extermination methods

To get rid of greenhouse pests, you can use pesticides. They are used if the extent of the lesion exceeds a quarter of all plants. Chemicals are in great demand among gardeners:

Moreover, each agent has an effect on a particular species of aphid. Therefore, before buying a pesticide, it is advisable to find out what pest seedlings are affected by. In addition, some drugs can be used during the growing season, while others no later than a month before the formation of the fruit.

Chemicals act negatively not only on harmful insects, but also on the soil, accumulating in it. After which they are absorbed together with water by vegetables, which then a person eats. Therefore, many gardeners are trying to get rid of aphids folk remedies.

Folk recipes

Folk remedies for aphids in a greenhouse are completely harmless. They do not have side effects, decompose much faster and with a small scale of damage are no less effective than pesticides. Most often used:

Folk recipes from pests
Folk recipes from pests

Garlic

One effective way to combat aphids is garlic infusion. For its preparation:

  • 0.5 kg of garlic is crushed to a porridge-like consistency, which is mixed with 3 l of water;
  • the mixture is insisted for 5 days;
  • after which it is filtered and used to spray infected plants at the rate of 60 g of concentrated infusion per 10 l of water.

You can prepare an infusion in another way. Take chopped garlic and water in equal amounts, place in a sealed container and leave for 10 days in a warm place. Then strain and use for irrigation of aphid-damaged plants in a proportion of 25 ml of concentrate per bucket of water.

Celandine

Equally effective against greenhouse aphids is celandine infusion. A composition of 300 g of dry leaves and 10 l of water can withstand 2 days, filter and use for irrigation.

Wormwood, calendula, chamomile or nettle possess similar properties.

Soap-wood mortar

A soap-wood infusion helps to quickly get rid of aphids. On a bucket of water you need a piece laundry soap (grate) and 2 tbsp. l ash. All ingredients are mixed, achieving a homogeneous solution, after which it is used as intended.

Herbal infusions

The use of plant infusions gives a good result against greenhouse pests. For their preparation, onion husks, hot peppers, tops of potatoes or tomatoes are used.

On a note!

The only important condition that should be observed when using folk remedies is regular spraying. One-time processing will not give the desired result.

Periodic inspection of the beds will help prevent the spread of aphids in the greenhouse. Removing plant residues (tops, roots, fallen leaves) and weeds will not be superfluous.

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