Features of planting and growing greenhouse cucumbers in August

Features of planting and growing greenhouse cucumbers in August

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Almost everyone likes juicy and crispy cucumbers. Gardeners with unquenchable enthusiasm every spring grow this heat-loving vegetable crop in a greenhouse or open ground, sowing or through seedlings. However, summer in our latitude is fleeting and in August cucumbers practically cease to bear fruit.

Most modern gardeners take full advantage of protective ground structures and easily grow not one, but two, or even more cucumber crops in one season. Some special adaptations are not needed for this. It is enough to know the biological characteristics of the cultivated culture, as well as comply with all the requirements of growing technology.

General information

If a decision is made to carry out the late cultivation of cucumbers by seeds, then the main attention should be paid to the temperature regime. Cucumbers are very thermophilic and do not tolerate low temperatures. In addition, humidity in the greenhouse plays an important role.

When planting in August, the soil temperature should not be less than twelve degrees. Sowing seeds in colder greenhouse soil can cause the death of plants or a low level of germination of even very high-quality seeds. Observance of all indicators of temperature and humidity will allow seeds to germinate already on the fourth or fifth day.

It is very important to choose the right seed material. For planting in August, breeders have bred several special cucumber hybrids that are resistant to adverse conditions. Such varieties not only easily tolerate temperature changes, but are also able to adapt to significant short-term cooling periods. In addition, a feature of hybrid varieties is their high resistance to pathogens and many plant parasites.

Of particular importance is the proper preparation of the soil in a greenhouse or greenhouse. Even a slight decrease in the average daily temperature dramatically reduces the absorption of beneficial substances by plants from the soil. This problem is easily solved by the use of a variety of foliar top dressing based on water-soluble fertilizers. This type of fertilizer can be easily found on the shelves of garden shops, and the standard scheme for preparing the working composition for spraying cucumbers involves diluting twenty grams of the substance in ten liters of warm water.

Selection and description of varieties

The selection of varieties of greenhouse cucumbers for growing late should be approached very carefully. In addition to lowering average daily temperatures and humidity parameters, daylight hours are significantly reduced in August, which can have a very negative effect on the growth, development, and also the quality and volume of fruiting of thermophilic plants.

Do not forget that with the onset of the first autumn days the flight of the main pollinating insects practically ceases, and manual pollination is still not as effective as sowing special varieties or hybrids. Self-pollinated varieties should be preferred, which are characterized by early maturity and are easily adapted in low light conditions.

In early autumn, in protected ground conditions, it is recommended to plant cucumbers of the following varieties or hybrids.

Growing cucumbers in a greenhouse

  • Hybrid for planting in a greenhouse "Emelya F1". Very early ripe hybrid with high yields. Perfect for salads and salting. Zelentsy does not exceed fifteen centimeters in length and are characterized by a thin, fragrant skin. The hybrid has shown high resistance to major pests and diseases.
  • Hybrid for late growing in a greenhouse "Hercules F1". Cucumber universal purpose with long lashes and a bouquet of flowering appearance. It has a cylindrical shape with medium-sized fruits.
  • High yielding hybrid "Crispin F1." It is characterized by an unusually powerful and strong root system, and shows the highest yield when grown through seedlings, which are transplanted into the greenhouse at the age of three weeks.
  • Very cold resistant hybrid "Mother-in-law F1". Hybrid early fruiting and very resistant to disease. Excellent yield indicators are combined with excellent taste.
  • Early ripening popular hybrid for growing in a greenhouse "Bastard F1". High resistance to diseases makes this hybrid very popular among most gardeners. Cucumbers have an unusual, oval shape and taste great.
  • Greenhouse hybrid "Matrix F1". A very cold-resistant and disease-resistant hybrid, characterized by a female type of flowering and a friendly return on a quality crop.
  • Early ripe hybrid for planting in a greenhouse "Orpheus F1". It delights gardeners with a very high yield and high quality fruits. The cylindrical form Zelentsy have no bitterness.
  • Widely known hybrid "Zozulya F1". Planting in a greenhouse can be done by seed. The variety is very cold-resistant, long-term fruiting and has excellent taste.

Landing Methods

Planting cucumbers in August can be performed both by the seedling method, and using seedling material. When sowing, a nesting method is used, which involves planting two or three seeds at once in each planting hole. All planting holes should be located at a distance of forty centimeters from each other, which will provide the root system of the grown plants with the necessary space during the growing season. After sowing, the soil must be slightly tamped.

It is advisable to use the largest and most full-bodied cucumber seeds for sowing. To cull empty and not viable enough, you should prepare a normal saline solution of fifty grams of salt and a liter of water. All seeds unsuitable for planting, when immersed in this solution, float, and the largest fall to the bottom of the container with the solution.

Seeds show especially high germination after three years of storage, and, on the contrary, fresh seeds germinate very long and unevenly. You can speed up the process and germination rates by heating the seed for a month at a temperature of not lower than thirty degrees. The warmed up seed material not only emerges amicably, but also earlier enters the fruiting process. After heating, the seeds must be processed in a solution of potassium permanganate and rinsed with running water. The treatment of seeds with special growth stimulants gives a good effect.

It should be remembered that the seeds of hybrids of cucumbers are not subject to heating.

You may also be interested in an article in which we talk about the causes and methods of eliminating the bitterness of cucumbers.

Landing rules

It is most advisable to plant cucumbers in August on greenhouse beds with ready-made seedlings. Such plants should have a few true leaves, as well as be strong and healthy. A good effect is obtained by hardening seedlings, which must be performed every day, starting a week before the plants are transplanted to a permanent place.

Soil preparation is carried out according to the standard scheme and in accordance with the technology of growing the selected variety or hybrid. After the height of the main stem reaches fifty centimeters, it is recommended to get rid of lateral shoots on the plant. In addition, you should immediately remove all low-quality ovary, as well as falling or yellowing leaves.

After the overall temperature in the greenhouse decreases, as well as natural lighting decreases, the grown cucumbers will begin to need irrigation measures once a week. In the future, the frequency of irrigation should be reduced to once every two weeks. This feature is due to the biology of the plant and will allow it to adapt as easily as possible to changing microclimatic conditions in the greenhouse. For each square meter of landing area, it is advisable to use about nine liters of warm irrigation water. The best time for irrigation is morning.

The most terrible enemy of all autumn crops is the cold dew, which begins to fall abundantly on cultivated cucumbers at this time of year. It not only provokes a general hypothermia of heat-loving cucumbers, but also weakens plants, making them very vulnerable to diseases and pests. Such problems are deprived of plants grown in a glazed greenhouse or greenhouse, equipped using translucent plastic.

Regardless of the type of greenhouse construction, it is advisable to perform high-quality insulation of the structure. Correct and timely insulation work is able to minimize heat loss and make growing plants comfortable for copious fruiting.

You can find out what other crops you can plant in August in the greenhouse and in the open ground by reading the corresponding article on our resource.

Powdery mildew is a very frequent and harmful guest, striking almost all the late plantings of greenhouse cucumbers. A standard measure of protection will help get rid of such a disease in a very short time. An effective measure of plant protection is the use of a urea solution or mullein diluted in warm water.

Cucumbers: selection of seeds and varieties

In addition, you should not neglect the rules of quality soil preparation and design for sowing. Careful removal of plant debris left by previous crops, as well as soil disinfection, can significantly reduce the likelihood of plant damage by pests and plant pathogens.

Proper compliance with all the above technologies and recommendations will significantly extend the appearance of fresh and environmentally friendly cucumbers on the table of the gardener.

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