Cucumbers turn yellow in the greenhouse. What is the reason?

Growing cucumbers in a closed ground allows you to get an early crop. After all, how nice to eat a salad of fresh cucumbers, when the snow is still on the street. An early cucumber is not easy to grow. Often happens: a healthy plant starts to ache sharply, and the main symptom of this phenomenon is the yellowing of leaves and fruits. Why do cucumbers turn yellow in the greenhouse and what needs to be done to prevent this process? Let's try to understand this question.

What can cause the yellowing of the leaves and fruits of the cucumber?

The violation of growing technology is the main reason that cucumbers turn yellow. In the greenhouse, a favorable microclimate should be created for the growth and development of bushes: sufficient lighting, stable air and soil temperature, average air humidity, regular airing of the greenhouse. The water regime must also be strictly observed: the drying of the soil instantly leads to wilting and yellowing of the plant.

If the soil in which the bush grows is poor in phosphorus, potassium and nitrogen trace elements, it also leads to the yellowing of the fruits of cucumbers. To prevent this problem, at the beginning of each season, a number of fertilizers must be introduced into the soil. Modern industry produces complex preparations for feeding cucumber, which includes all the necessary useful trace elements. Applying fertilizers, you need to strictly adhere to the norms, since their surplus can also be detrimental to the vital activity of plants.

In hybrid varieties of greenhouse cucumbers, up to 150 ovaries may be tied. This leads to an overload of the plant - this can also be the reason that the cucumbers turn yellow. In the greenhouse, to obtain quality fruits on one bush, it is sufficient to leave 23-25 ovaries, and the rest must be removed.

To obtain healthy cucumber bushes it is recommended to change their growth places annually. Constant growing of a plant in the same greenhouse leads to the depletion of the soil, infection with its infections, causing yellow cucumbers. Fruits under such growth conditions with each season is tied less, bushes are more often affected, yields are reduced to a minimum.

Insects-pests - provokers of cucumber bush disease

Aphids, spider mite, sprout fly, cucumber mosquito are those insects that feed on juice, shoots and fruits of cucumber. The vitality of these pests on the bushes and leads to the fact that the cucumbers turn yellow in the greenhouse, dry up and die. These insects are multiplying very quickly. Appearing on one plant, just a few days they hit all the bushes in the greenhouse. To avoid this problem, it is necessary to conduct regular inspection of bushes and, at the first detection of harmful insects, treat plants and the top layer of soil with special preparations.

To grow cucumbers in a greenhouse, you need to invest a lot of strength and money. Having provided the plant with proper care, attention and care, you will already eat in the early spring and treat your friends and acquaintances with tasty, fresh home-made vegetables.