Why the cucumber embryos turn yellow in the greenhouse and what to do with it

25.07.2016 Cucumbers Diseases and Pests Greenhouse

Causes of yellowing of the fruit

The whole reason is the wrong growing procedure. The most important thing is to create a positive microclimate for the growth and development of the plant. It is necessary to provide it with good lighting, a stable temperature not only of air, but also of the earth, and the greenhouse should be constantly ventilated. It is very important to monitor the nutrition of the soil with water. In no case should it dry out, as this can lead to yellowing of the fruits and their withering. Why cucumbers turn yellow and their embryos in the greenhouse, and what needs to be done?

Yellowing occurs due to a lack of nitrogen, potassium and phosphorus in the soil. This can be prevented if fertilizer is applied to the ground during each season. To do this, you can purchase special preparations for feeding cucumbers. They already include the necessary trace elements for the plant. But do not go too far with fertilizers, as excessive consumption can also negatively affect the plant.
If hybrid varieties are used, then up to 150 ovaries can form. All this contributes to the overload of the bush, which leads to fetal disease. For greenhouses, 25 ovaries are enough, you need to get rid of all the rest.
Every year, it is recommended to change the place of growing cucumbers, since constant cultivation in one greenhouse depletes the soil very much, and it, in turn, becomes infected with various infections that provoke the formation of yellow leaves and fruits. All this can lead to plant disease and crop loss.
Pest insects also adversely affect cucumber bushes. They feed on the juice, shoots and fruits of the plant, which leads to yellowing of the cucumbers, drying out and eventually dying off. Moreover, such pests are able to reproduce at an increased rate. This situation can be avoided by inspecting and treating the bushes with special preparations every day.
The ovaries of the cucumber may turn yellow due to improper fertilization. The pollen of the flowers of the plant is sticky, which attracts the attention of bees. To attract them, you need to use more magnesium fertilizers and other trace elements.

Growing cucumbers in a greenhouse is not so easy. To grow a good crop, proper care of the plant is necessary. If you follow all the rules and useful tips, then in the spring you can try fresh homemade cucumbers. And why the cucumbers turn yellow in the greenhouse, and what needs to be done, you can watch the video.

Other causes of yellowing

In addition to the above reasons, there are several more reasons that lead to the death of leaves. But why do cucumbers turn yellow in the greenhouse and what should be done? The main reason is considered a drop in temperature. As everyone knows, cucumbers are a heat-loving plant, so you should not water the bushes with cold water and the air should also remain warm. Consider Methods of processing greenhouses in the spring from diseases and pests.

Some reasons can even lead to the death of ovaries. In some cases, the leaves of cucumbers may turn yellow from the edges. Often this happens due to insufficient pollination. In this case, the cucumbers have a premature vegetation, which leads to their death.

Why do cucumbers turn yellow in the greenhouse and what should be done

As already mentioned, the cause of yellowing of the ovaries can be a large number of them. Because of this, the plant does not have enough strength to provide nutrition to all the ovaries. That is why they begin to turn yellow with the leaves.

Useful Tips

Why do cucumbers turn yellow in the greenhouse and what should be done? Many gardeners want the answer to this question. The first step is to establish the causes of this phenomenon, and then begin to fight them.But it is best to carry out prophylaxis in order to prevent yellowing of the leaves and fruits of the plant. You need to follow clear rules and useful tips, and then such a situation will never happen.

It is extremely important to monitor the watering of the beds. It must be carried out in a timely manner. Do not allow strong drying of the soil.
Crop rotation must be done correctly. This affects the spread of fetal diseases.
As you notice on the plant about 4 ripe leaves they need to be sprayed. To prepare the product, you will need to mix a liter of milk, 1/5 of the laundry soap and 35 drops of iodine. Mix all this in 10 liters of water. This means you need to spray the plant about every 1.5 weeks.
You should also constantly feed cucumbers. Feeding is allowed to use both mineral and organic origin.
In order for the fungus not to appear on the plant, it must be constantly sprayed. Soda will help us with this. Dissolve one large soda in 10 liters of water. This agent should be sprayed with the plant.
To get rid of the yellowing of fruits and leaves, it is necessary to spray the plant from a special infusion. It is prepared easily. First you need to soak the bread at night. Then it is worth pouring a bubble of iodine to it. Then it is worth taking 1 liter of the prepared mixture and dilute in a bucket of water. Spray the plant every 14 days.

At the initial stage of yellowing, the plant can still be saved. To do this, use a weak potassium permanganate agent that needs to be watered to grow cucumbers in a polycarbonate greenhouse.
From various pests, ordinary onion peel can help. The first thing you need to boil it and leave to insist all night. Then you need to measure the amount of husk. It should be completely packed in a 700 gram can. This amount will be required for 10 liters of water. This solution is useful not only for spraying leaves, but also for watering.

The reasons for the yellowing of cucumbers on the balcony

Many people do not have summer cottages, so they have to look for other places to grow plants. Mostly they are trying to grow them on balconies. But everyone knows that cucumbers are very unpretentious, therefore, in such conditions they feel very good. But even with this method of growing cucumbers, one may encounter the problem of yellowing of the fruit. Why do cucumbers and their seeds turn yellow in the greenhouse, and what should be done? The reason for the occurrence of such a phenomenon can be very diverse.

This may occur due to a lack of nutrients. It is recommended to grow cucumbers at home in sufficiently large containers, and it is better to use garden soil. In the early stages, it is better to feed the plant with a mullein solution, and a little later you can use mineral fertilizers for indoor plants.

In some cases, the embryos may fall off due to bacteriosis. To avoid such a situation, you need to preheat and disinfect the seeds. Only after such a procedure can they be planted. It does not matter where the cucumbers will be grown in greenhouses or on the balcony, the most important thing is proper care of the plant.

What diseases and insect pests lead to yellowing of cucumbers?

Why do cucumbers and their seeds turn yellow in the greenhouse, and what should be done? A wide variety of reasons can contribute to this. The main thing to find out, since there are many different diseases and parasites that contribute to yellowing of the plant.

You may encounter a disease - powdery mildew. This is a kind of fungus that inhibits photosynthesis. On the leaves you can find small pale spots that increase over time. They can spread throughout the sheet, forming a white coating.Because of this, the leaves begin to dry out and turn yellow. Such a disease can be controlled with the help of various fungicides.
Some gardeners notice another fungal disease on cucumbers - Fusarium wilt. With it, spores of the parasite enter the capillaries of the plant and secrete harmful toxins. All this leads to a lack of nutrients in the leaves and fruits. Ultimately, this situation can lead to the death of cucumbers. In such a situation, it is recommended to replace the infected soil and constantly change the variety of fruits.
Plants may be susceptible to root rot. During this period, the leaves begin to turn yellow below. The roots may begin to rot due to watering the plant with cold water, as well as temperature changes. Such a disease can be transmitted through the soil.

Persporosis may appear. The cause of this disease may be increased soil moisture. With persporosis, the fruits and leaves begin to turn yellow and shrink. If a plant becomes infected with this disease at an early stage of fruiting, then the crop may not be seen. The disease is manifested by the appearance of wet and acute-angled spots, dark in color.
Why do cucumbers and their germ in the greenhouse still turn yellow, and what should be done? You also need to know some insect pests, and why they are dangerous. During the cultivation of cucumbers, you can meet with gourd aphids. It is located at the bottom of the leaves. Aphids suck out all the plant juice. It can be observed throughout the season.
On the back of the leaves you can see the appearance of cobwebs. This means that you have got a spider mite. It is able to breed throughout the summer. The tick can winter in the greenhouse cracks or the leaves themselves. Only getting rid of these insects can you pick up polycarbonate greenhouse cucumbers.

Proper cultivation

If you grow cucumbers not in the soil, but in the sand, then you need to adhere to several rules.

You need to know that on hot days the plant needs abundant watering. That is why you need to water cucumbers daily.
Water should be poured exclusively under the leaves. And due to the fact that they are not tied up, moisture is retained under them. Thus, the soil is protected from drying out.
Experts in this area recommend sprinkling ash on the plant. You can also use a special tool.

It’s easy to cook. Any weeds will be required for cooking. For example, you can take nettle and put it in a bucket, and then pour water on it. In this form, the product should remain under a closed lid for about 7 days. After the tool you need to dilute and fertilize them with cucumbers. Pour it under the leaves, respectively. Ash helps to preserve the plant, the leaves will never turn yellow.

Many inexperienced summer residents and gardeners do not know why the cucumbers and their seeds turn yellow in the greenhouse, and what to do. But first you need to establish the cause of the yellowing of the plant, and then proceed to its destruction.