The reasons for the wilting of the whip in bush cucumbers
Growing cucumbers, vegetable growers often face such a problem as wilting of the stems. The reasons may be different and it is important to correctly determine why the cucumber lashes wither. This will save the plants and not lose future crops.
Causes of wilting of lashes in cucumbers
Main reasons
There can be several reasons for the wilting of cucumber lashes.
Agrotechnics
Stems and leaves lose their elasticity very quickly as a result of such agrotechnical violations:
- insufficient watering;
- temperature fluctuations;
- overdose of fertilizers.
Diseases
A possible cause of wilting is also diseases that affect plants and disrupt their development processes. Withering can be observed during infection:
- fusarium;
- root rot.
They are easy to identify and distinguish from other causes because they have other characteristic symptoms as well.
Pests
The reason that the leaves and whips of cucumbers wither can be damage from pests. Most often these are ground pests that damage the roots of cucumbers:
- nematode;
- bear.
In each individual situation, there are different ways to solve the problem that has arisen.
Insufficient watering
Regular watering and a sufficient amount of moisture are the key to the full development of any plant, cucumbers are no exception. With insufficient watering, the bushes very quickly begin to lose moisture, and in a short time the leaves and stems lose their elasticity and the plant withers completely and dries up. Cucumbers normally require watering every 2-3 days. Care should be taken that the water does not stagnate at the roots but that the soil is well saturated with moisture. One bush during the flowering period requires about 1 liter of water.
How to solve a problem
This problem that has arisen is not difficult to solve in a short time. It is enough to resume regular watering and cucumber lashes will acquire a healthy look. It is necessary to resume watering after such a stressful situation for the plant gradually. The bushes are added in small portions in several passes. So the cucumbers will evenly absorb the moisture received. The water should be warm and well-separated.
To prevent the soil from drying out, watering should be regular. To protect the plants from moisture deficiency, if it is impossible to irrigate into the ground on time, agroperlite is embedded under the bush. It drains the soil well, and also accumulates moisture, and, if necessary, gives it to the roots. For one bush, 0.5 l of agroperlite is enough.
Temperature fluctuations
Sudden temperature changes are harmful to plants
Changes in temperature can also cause the whips to wilt. And this leads not only to high, but also low temperatures. Sharp changes and temperatures unusual for cucumbers have a detrimental effect on their development.
Overheat
When plants overheat, when the temperature rises above 30 ° C, cucumbers lose a lot of moisture and lose the elasticity of leaves and stems. Such overheating can lead to drying out and death of the crop.
How to fix
To regulate the temperature, it is advisable to shelter the plants from direct sunlight and water in the morning and evening to replenish the lost moisture. If cucumbers grow in a greenhouse, then it must be ventilated and not completely covered.
Hypothermia
In the case of a sharp and strong drop in temperature, cucumbers stop absorbing nutrients, which leads to the fact that the bushes wilt and turn yellow. This situation is possible at temperatures below 10 ° C.
How to fix
Until a favorable temperature resumes, the bushes should be covered with non-woven material, agrofibre or film, lightly watered with warm water (25-30 ° C).
Fertilizer overdose
Cucumbers wilt if, due to inexperience, ignorance or as a result of special diligence, nitrogen fertilization was carried out with an excess of dosage. Nitrogen fertilizers (ammonium nitrate, carbamide, manure, bird droppings), when the concentration is exceeded, have the ability to burn the roots. And the consequence of such a burn will be that the bush withers and dries up.
How to fix
To help the plant recover, you need to remove the top ball of soil under the bushes and replace it with fresh one. It is good to spill the bushes with clean water. If such a situation has occurred with young plants, then they are taken out of the soil, the roots are washed with clean water and planted in fresh soil. After planting, watered with a solution of epin or root for better rooting.
To avoid such a situation in the future, you need to remember about the correct dosage of nitrogen fertilizing. Urea and ammonium nitrate are introduced in an amount of not more than 20 g per 1 sq. M. dry. In the form of a solution for 10 l of water, add 20 g of fertilizer. Poultry droppings or manure are used as slurry. To do this, 200 g of manure or 400 g of manure are diluted in 10 liters, insisted for 48 hours. The resulting substance is diluted with water in a proportion of 250 ml of slurry per 10 liters of water.
Fungal diseases
Fungal diseases can cause great damage to plants.
And one of the symptoms of infection will be that the stem and leaves wither. In order to understand what ailment has overtaken the cucumber garden, you need to carefully examine the plants for the presence of other accompanying symptoms of a particular disease. This will help ensure proper treatment and avoid plant loss.
Fusarium
Fusarium can kill all plants
Infection occurs through soil, seeds, tools. In addition to wilting of the bushes, there is a thinning of the root collar and lashes, on the cut of the stem, there will be browning of the capillaries, yellowing and drying of the leaves.
Treatment
Fusarium disease is difficult to treat. In case the bushes are affected by this disease, you can try to fight the pathogenic fungi with the help of Trichophyte. It is dissolved in water and poured over the cucumbers under the bush, additionally sprayed on the leaf. Processing is carried out every 10-14 days, three times.
But the best way to fight this disease will be preventive measures and they will definitely be carried out in the next season, so as not to fail again in growing cucumbers. For this you need:
- choose a variety that is resistant to fusarium;
- disinfect seeds (with peroxide, potassium permanganate);
- process the soil for seedlings (ignite in the oven, spill with boiling water);
- prepare a bed (treat with Trichophyte, Biophytum);
- preventively treat the bushes with biofungicide.
These agricultural practices will help you avoid getting sick in the new season. And to grow cucumbers healthy and with a rich harvest.
Root rot
It is also a fungal disease that affects the root. As a consequence, it poorly absorbs moisture and nutrients, the weaves wither, and the leaves dry and fall off. The upper part of the root turns brownish brown.
Treatment
Root rot is difficult to treat, but with early detection of the disease, it is practiced to bend the lower part of the stem to the ground to form additional roots. As healthy roots are formed, sprinkle the stem with earth. In parallel, the affected bushes are treated with Previkur.
Pests
Pests that damage the root system can lead to wilting of cucumber lashes.
These include a nematode and a bear. As a result of damage and injury to the roots, the process of moisture and nutrient intake is disrupted, which leads to poor growth, wilting and drying of cucumbers.
To combat these pests, repellent infusions (garlic, onion) are used, which spill the entire garden. They also use Medvetsid to fight the bear and Nematodin from nematodes. If such pests are identified in the garden, at the end of the season or at the beginning of the next, special attention should be paid to disinfecting the beds and combating them.
Conclusion
Cucumber whips wither due to violation of agricultural technology or as a result of damage to the root system by diseases or pests. With early diagnosis, there is a better chance of successfully treating cucumbers. Proper agricultural practices, preventive treatment and careful care have the maximum efficiency in protecting plants from various diseases, pests and their consequences.