Why turn yellow, curl and dry leaves of cucumber? And how to deal with the problem

More often than not leaves of cucumbers lose their color and become deformed as a result of violations of farming practices or improper care. Another possible reason - the invasion of pests or diseases appearance. We will understand why there is a problem, and how to fight it.

Cause 1

The lack of fertilizer. If the injection begin to turn yellow and curl, probably not enough nitrogen in the soil.

Treatment

To make up for nutritional deficiencies need to feed the plants with a solution of ammonium nitrate, prepared as follows:

* 10 grams of the substance;

· Dissolved in 10 liters of water.

Cause 2

wrong watering. Change the color of the leaves will be like when insufficient, and when an excess of moisture.

Treatment

It is necessary to adjust the watering. Moisten the ground after it dries slightly topsheet.

When an excess of moisture from soil dig roots of cucumbers, pour them dry river sand, which absorbs excess moisture.

reason 3

powdery mildew. Sheet plate like priporashivayutsya flour, then the edges begin to curl and dry up.

Treatment

To get rid of the disease, as well as its prevention, cucumber sprayed copper-containing drugs such as Bordeaux liquid.

Experienced gardeners recommend process bushes soda solution prepared as follows:

· 1 tablespoon of baking soda;

· Mixed with 10 liters of water.

reason 4

vermin. It is necessary to examine the plant carefully - the lower part of the leaf. Perhaps there will show up insects such as spider mites or aphids.

Treatment

By getting rid of harmful insects bushes sprayed with insecticide.

For many farmers this is unacceptable, because the chemicals are absorbed and fruit culture. Therefore, you can use folk remedies for pest control.

Preparing it as follows:

· 200 grams of wood ash;

· Dissolve in a bucket of water;

· Infused throughout the day.

After 24 hours the solution was added 30 grams of grated soap, and this agent sprayed bushes.

reason 5

Sunburn. This occurs when watering cucumbers produced in the hot afternoon. After moisture droplets tested solar rays which burn tissue sheet plates.

Treatment

Watering the plants should be in the evening, but before sunset. Night bushes have to go with dry leaves.

When growing cucumbers in the greenhouse, it is necessary to frequently ventilate, to avoid the formation of dew, adversely affecting the leaves.

reason 6

anthracnose. In this disease on the leaves is formed a plurality of yellow-brown spots, which soon curl and dry.

Treatment

To combat this disease using 1% solution of colloidal sulfur. After 1-2 weeks bushes are sprayed with 1% solution of liquid Bordeaux.

If the gardener can not understand the causes of yellowing, it may apply a universal remedy for restoring the health of the plants.

To do this in a bucket of water is poured into 1 liter of milk, 40 drops of iodine and 30 grams of soap. Suspension be sprayed cucumbers every 2 weeks.