Cucumbers have recently had dry leaves, what is the cause of them? What can be remedied?

It may be that the sunshine time is relatively long, the temperature may be relatively high, there may be pests and diseases, such as downy mildew, brown spot, or it may be because the temperature is relatively low, or there is a situation of fertilizer and pesticide damage, or it may be that there is more watering, so there is water accumulation in the seedbed; It is necessary to loosen the soil in time, and according to the type of hospital bed that appears, choose the appropriate agent, and control the temperature and time of planting, and the temperature should be controlled at about 20 degrees.

It is likely to be a lack of nutrients, at this time you must be organic fertilizer and timely watering, to properly loosen the soil, which is conducive to the growth and development of cucumbers.

Hello, cucumber leaves are likely to dry up because of infection with diseases, if the early dryness occurs, timely prevention or prevention can reduce the disease to a certain extent, to achieve stable yield.

Cucumber gray mold not only affects the growth of its leaves, but also directly affects the development of the fruit. Its germs will affect the fruit from the seedlings that have just begun to germinate, especially when they bloom, and the gray mold will directly make the newly produced fruit become rotten, and finally stop growing directly, directly affecting the yield of cucumbers.

If you want to prevent this disease, spray the drug in time**, when cultivating, you should do a reasonable fertilization work, and when you find the damaged seedlings at the beginning, you should remove them in time to prevent these seedlings from spreading to the whole plant.

1.Overview.

Cucumbers are a widely cultivated vegetable that is commonly found during the summer months. However, cucumber plants can be affected by various factors such as drought, pests and diseases, nutrient deficiencies, and many more. Among them, yellowing and drying of cucumber leaves is one of the most common problems, which is also the result of insufficient nutrition and lack of water in cucumber plants.

2.Undernutrition.

Cucumber plants need soil that contains elements such as nitrogen, phosphorus, potassium, magnesium, etc., to maintain nutrient balance. If the soil contains too little of any element, the cucumber plant will have yellowing of its leaves. For example, nitrogen deficiency can cause leaves to turn yellow and shrivel, and phosphorus deficiency can cause plants to grow slowly and even die early.

3.Lack of water.

Cucumbers are water-loving plants that need plenty of water to maintain healthy growth and fruit development. If the cucumber plant is deprived of water, you will notice that the leaves start to turn yellow, dry, and curly. There are more and more yellow spots on the leaves, which are caused by the loss of water during transpiration.

4.Pest and disease infections.

The leaves of cucumber plants can also be infected with various viruses and fungi that can form spots on the leaves, causing the leaves to turn yellow, dry up, and eventually die. Pests such as aphids, mites, and termites can also cause damage to cucumber plants, causing the leaves to be soft, deformed, dry, and have yellow spots.

5.Environmental factors.

Environmental problems such as deformed soil structure, low temperature, heat damage, and lack of light will cause cucumber leaves to turn yellow and dry. When growing cucumbers indoors, make sure the cucumber plants are exposed to enough sunlight and at the right temperature. When growing cucumbers outdoors, be sure to take into account the local climate conditions.

6.Repair the method of preventing cucumber leaves from turning yellow and dry.

The way to fix the yellowing and withering of cucumber leaves depends on the source of the problem. If cucumber plants lack water, water can be poured into the soil for watering. If there is a deficiency of an element in the soil, you can add the corresponding fertilizer and regularly check the pH of the soil.

If infected with viruses and fungi, it can be done with effective medications**. If you encounter a pest, you can use an insecticide to control it. If environmental problems cause cucumber leaves to turn yellow and dry, you can adjust the environmental factors to make them suitable for the growth of cucumbers.

7.Conclusion.

Yellowing and withering cucumber leaves is a common problem, but it is not unsolvable. By analyzing the root cause of the problem and finding the appropriate solution, we can restore the healthy state of cucumber leaves. This also helps us better understand the growth of cucumber plants, the cultivation of vegetables and effective control measures.

The yellow spots on the leaves of melons should be found out as soon as possible and treated. If you are infected with downy mildew, you should remove the diseased leaves in time, and spray the corresponding drugs to avoid further infection and change the usual maintenance environment. If it is caused by a direct cold wind, it is necessary to strengthen management and carry out it from small to large when it is released.

If you have frostbite at low temperature, you should pay attention to temperature control in time, and it is best to ensure that the temperature is between 25-30 degrees during the day and above 10 degrees at night.

Infected with downy mildew.

When cucumbers are infected with mildew, there will be gray-brown mold on the front and back of the leaves, and gradually start to turn green, and the leaves will slowly turn yellow. There will be a black mold layer on the back of the leaves. This disease is mostly caused by improper management.

At the beginning of the disease, it is necessary to spray the medicine in time to treat it, and remove the diseased part to avoid further infection. In addition, it is necessary to change the maintenance environment, usually ventilate more often, and provide a suitable environment for growth, so that it is possible to recover slowly and avoid further disease.

Second, it is caused by direct blowing of cold wind.

3. Hypothermia frostbite.

Cucumbers have limited cold tolerance and prefer warm environments. If the temperature provided for a long time during the maintenance period is below 0 degrees, it is easy to frostbite the plant. There are yellowish-white spots on the leaves, and they will even die slowly, and the growth rate will become very slow, and the plant will not be able to continue to take root and grow.

The cause of the low temperature should be found as soon as possible and warm measures should be taken in time. It is best to maintain the temperature between 25 and 30 degrees Celsius during the day and above 10 degrees Celsius at night so that it can grow vigorously.