How to deal with dried leaves on tomato seedlings

Tomato crops belong to the category of the most capricious: often the lower and upper leaves dry at the seedlings of tomatoes, the bush ceases to grow, for no apparent reason withers and, in the end, dies. To prevent the death of the bush, it is necessary to timely monitor the appearance of dry parts and the change in the state of the whole bush as a whole.

How to deal with dried leaves on tomato seedlings

Causes of Leaf Drying

Inadequate watering and low humidity

Tomato seedlings dry their leaves, because uneven watering and humidity changes adversely affect the well-being of the plantings. This is especially true for plants growing in greenhouse conditions.

A lack of moisture leads to the appearance of yellowness and drying of some parts of the seedlings. Watering the plants is necessary at about the same time. Another way is to install water containers in the greenhouse: this will help to maintain moist air. Humidity in the greenhouse should be about 28%.

High humidity and overflow

Excessive watering and high humidity are favorable conditions for the multiplication and growth of fungal diseases of tomatoes. Often, if tomato seedlings dry their leaves, spore pests settle on the plantings and dark spots appear. Subsequently, the affected area dries.

All the forces of the tomato are directed to the affected part of the seedlings, because the main stalk becomes thin and brittle, is very elongated. Landings weaken and wilt.

Once the problem has been identified, it is necessary to monitor the ventilation mode, humidity and temperature in the greenhouse or greenhouse.

Rules for watering tomatoes

  • Already strong bushes are rarely watered, but in sufficient quantities: 5 liters per bush 1-2 times a week.
  • For young plantings of tomatoes, daily moisturizing is suitable, because the root system is still superficial and not strengthened. Before the first buds appear, watered in small volumes every day.
  • The correct way of watering is with a thin stream under the root, so that water droplets do not fall on the leaves of tomatoes, thus exposing them to a sunburn.
  • For tomatoes in a greenhouse, it is better to use drip irrigation. It helps retain moisture and evenly distribute water.

The influence of light

Why do tomato seedlings dry the tips of the leaves? Another reason is a violation of the light regime. With a short daylight, young seedlings lose chlorophyll, due to which the leaves begin to dry. To maintain proper lighting, special lamps must be purchased.

On average, with a 9-10-hour daylight, the lamps are turned on only early in the morning and late in the evening, if there is enough daylight. Excessive light is contraindicated in adult landings: it leads to a burn - it must be constantly regulated.

Improper soil care

Plant health depends on soil quality

A great influence on the health of tomatoes has the land in which they are located. Excess micronutrients or lack of vitamins in the soil also have a negative effect on the condition of the bush. Do not violate the instructions for feeding plants. When applying a dry mixture, it is necessary to provide sufficient watering so that nutrients do not remain on the surface, creating a dense crust, but penetrate deep into the soil.

Excess salt also leads to the fact that the leaves of tomato seedlings dry and curl: the salty soil does not allow air to pass through and retains water. A characteristic sign of an excess of salt is the appearance of white plaque on the surface. To correct the situation, introduce new soil and change the source of water.

Fungal and viral diseases

Sometimes the cause of wilting are diseases and pests.


Most often, tomato plantings attack varieties of fungal or viral diseases. Phytophthora is the most common infection. Its characteristic features include the appearance of brown spots and the subsequent drying of the leaves. Typically, plantings become infected during heavy rains during high humidity.

Prevention and treatment

The disease spreads rapidly - all affected areas are immediately removed. The root zone is covered with nettles, since it absorbs moisture well, broken places are treated with phytophthora. Sometimes it’s better to remove the whole bush to save the rest of the crop.

Tobacco mosaic

Also, leaves of home tomato seedlings dry due to tobacco mosaic. She appears in mid-summer. When the mosaic spreads, the tops of the tomatoes wither first, then turn brown and turn yellow. A characteristic sign of the disease is the lace form of the leaves.

Prevention and treatment

In this case, only correct agricultural technology, timely removal of infected plants and proper selection of seeds for the soil can help. Unfortunately, tobacco mosaic cannot be completely eliminated.

Fusarium wilt

Fusarium wilting is another common infection. This is a fungus that feeds on cell sap. The stems turn brown, the leaves fade. With sufficient watering, the bushes look as if they have dried up.

Prevention and treatment

Observance of humidity in the region of 60-70% and thermal conditions, up to the use of stove heating, if the temperature drops at night, helps to prevent the disease.


The cause of drying of plants can be ticks and aphids. For these parasites, the process of exhausting nutrients from the body of tomatoes is very important.

Prevention and treatment

For processing using chemicals: acaricides and insectoacaricides. It is also useful to spray with a two percent lime mixture or fumigate with a sulfur block if the tomatoes grow in a greenhouse.

Alternative methods of treatment

Infected plants must be sanitized.

As a folk remedy for the treatment of tomatoes, garlic or laundry soap is used. 25 g of grated laundry soap are dissolved in 1 liter of milk and a few drops of iodine are added. The resulting solution is sprayed with plants in the evening.

For the treatment of damaged plants, a mixture of real onion husks is also used. For 10 liters of water, 2 handfuls of onion husks are required, the mixture is boiled for 30 minutes. Plants are sprayed with a solution of room temperature.

Another folk remedy is treatment with a mixture of whey and water. Heated whey is diluted in 10 l, after which the plants are disinfected.

Can help and tincture of wood ash or any copper-containing composition.

All folk remedies help only in the early stages of the disease.

Herding tomatoes

If, with proper care, the leaves continue to turn yellow, stepsoning was carried out incorrectly. With this problem, the leaves turn yellow in all tomatoes.

The formation of the bush should be done when the shoots are young. It is better to break off the stepsons in the morning, so that the wound has time to heal over daylight hours. The most favorable is dry, calm weather. The processes that appear in the bosom of the trunk are removed.

Work should be done with gloves. The tool should be well sharpened.


So that next year the leaves of tomato seedlings do not dry, in the autumn, after harvesting, you should carefully clean the place where the tomatoes were grown, then remove the remaining shoots, bushes and disinfect them with a special solution or hot boiled water.

Yellowing leaves on tomato seedlings can be caused by many reasons. If you immediately find a problem, planting is easy to cure, the main thing is to find the right cause.


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