What temperature is needed for cucumber seedlings


Every gardener wants to get a rich harvest. To grow such a culture as cucumber, it is necessary to sow the seedlings. Despite the apparent simplicity, when growing seeds is required to comply with a number of conditions. Among them, the optimum level of humidity, soil composition, temperature in the room. The optimum temperature regime is also important for the preservation of seed germination and the development of sprouts in open ground.

At what temperature do you need to grow seedlings

Pots with sown seeds of cucumbers are left at a temperature of about 25-28 degrees. This mode is recommended when growing seeds until seedlings appear.

Then containers with cucumber seedlings are placed in a cooler room. To avoid pulling young shoots, a temperature of 18-20 degrees is preferred. It is also important to provide the seedlings with sufficient illumination; with a lack of sunlight, special lamps are used. Another point - as you grow, it is worth pouring soil.

There are other recommendations, the use of which will help grow strong seedlings at home:

  • plant seeds should be planted in separate pots, the culture does not tolerate root deformation and transplantation;
  • for watering seedlings use warm water;
  • containers need to be placed apart at such a distance that the leaves do not shade the adjacent pots.
Important! Growing temperature should not fall below 16 degrees and rise above thirty.

Before planting sprouts hardened. They are placed in a cooler room, where the temperature is about 17 degrees.

When seedlings are planted in the garden

Plants can be planted after they have three true leaves. At the same time, the air temperature outside should be at least 18-20 degrees, and the soil should warm up to 16-18 degrees.

A week or two before transplanting the seedlings are hardened. It can either be carried out on the street, or put on the balcony. During the day, containers with plants are plentifully watered.

Some training needs to be done in the garden. These include:

  • soil fertilizer, 1-2 buckets of compost are applied per square meter of land;
  • preparation of holes in which seedlings will be planted;
  • plentiful watering, on each well plan 1 l of water.

If the seedlings were kept at home in peat pots, they are buried in the wells to the edges of the tank. When using plastic cups, their walls are cut, the sprout is removed along with a clod of earth and placed in the hole. After this, the plants are watered (3 liters of water for each cucumber), and light soil is poured on top.

Important! If the temperature outside is reduced to 15 degrees or more, it is recommended to install wire or wooden arches in the garden, and lay a film over them.

If the sprout is strong and properly developed, it is planted in an upright position. The stretched seedlings are placed in the ground in an inclined state, the ground is poured down the stem. To prevent root rot, river sand is applied to the root of the neck.

At what temperature to store the seeds

It is possible to grow a crop of cucumbers from both seeds purchased from a store and from harvested independently. The optimum temperature for their storage is 15 degrees or less, the humidity of air is within 50-60%. In such conditions, seed germination lasts for 10 years. However, in order to get a bountiful harvest, it is recommended to use 3-year-old seeds for planting.

We must not forget that you can only leave for planting seeds of high-quality cucumbers. In this case, it is better to wait two or three years so that the bushes bear fruit well. Seeds from last season do not give a bountiful harvest.

Important! Cucumber hybrids (marked F1) can not be used for harvesting seeds, as in the second year the bushes will not give fruit with the original characteristics.

When using purchased seeds, it is important to read the information on the package. If they are treated with formulations to protect against pests and improve growth, they do not need to be soaked before planting. Otherwise, you can simply wash away the treatment layers from the seeds.

Pre-sowing Preparation Procedures

In order for the seeds to sprout faster and subsequently grow well, they need to be prepared for planting. Several procedures are involved in the preparation of untreated seeds.

  1. Rejection. In order to immediately discard the seeds that do not sprout, they are soaked in 5% saline solution. Salt and seeds are thoroughly mixed and wait a few seconds. Those that settle to the bottom are quality, suitable for planting. Empty seeds will rise, they can be immediately discarded.
  2. Disinfection. Seeds are soaked in a solution of potassium permanganate (for a glass of water 1 g), incubated for 30 minutes. After treatment, rinse under running water.
  3. Germination. Before sowing the seeds, they are wrapped in a damp cloth and left for a couple of days. It is recommended to cover the container with a cloth to keep it moist. Planted seeds, which appeared roots, and they reached three millimeters.
  4. Hardening This procedure is required when the seeds are planted to be planted directly into the ground. To harden the seeds, they are placed in a wet state in the refrigerator and incubated for 36 hours.

Prepared and germinated seeds are dipped into the ground to a depth of no more than one and a half to two centimeters. So that they quickly ascended, immediately after landing they are covered with a film. When the green shoots appear, the cover is removed.

Features of the soil for seedlings

In order for cucumber seedlings to develop properly, along with optimal temperature conditions, it requires fertile soil. One of the best options contains:

  • sod land;
  • peat;
  • sand;
  • drainage.

Drainage is a layer of expanded clay or similar material that is laid down on the bottom with a small layer to remove excess moisture. One peat is also not recommended for planting seeds, as it dries quickly.

Where to plant seedlings

As for containers, a pot for cucumber seedlings can be bought ready-made or made from improvised means. Next will be considered several options.

  1. Peat pot. One of the most convenient solutions for seedlings of cucumbers and other crops that react poorly to transplantation. Plants are planted in the open ground directly with a pot, so the root system during transplantation is not injured and the sprout takes root well. When acquiring it is worth considering two points. In peat pots, the ground is very dry, so gardeners often put them in plastic containers. Also, in three weeks, while the cucumber seedlings are at home, they greatly lose their appearance. Here additional plastic capacity will also be very useful.
  2. EM trays for seedlings. These containers are a tray with special plates. They are inserted into each other; as a result, cells are obtained, where they plant seeds for seedlings. When planting, the entire plate is removed, the sprout is removed with a clod of earth with a shovel and placed in the ground. Due to this, the roots are less injured, and cucumber seedlings take root better.
  3. Cassette. A similar option, only here there are already formed separate cells with drainage holes. Due to the fact that all the containers of the same size, the seedlings grow evenly. For cassettes with seeds placed on the tray, it is convenient to care for. However, during operation, plastic cells are often deformed.
  4. Peat tablets. Also a convenient option, they are completely placed in the soil. Under the seeds of cucumbers, it is preferable to take tablets with a diameter of 42-44 mm.

It is worth considering that on average it takes three weeks to grow seedlings. After this period, it must be planted on the garden bed. Overgrown seedlings take on much worse, so the seeds need to be sown 20-25 days before the planned transplant.

The process of planting the prepared seeds

When the seeds are ready for planting, separate containers are taken for them. On sale you can see and large boxes for seedlings. But when transplanting from a common capacity, the roots of a seedling are injured. Considering which seedlings do not take root well on the garden, and which adapts to the new conditions, the sprout should be planted together with the whole clod of earth. Then the risk of damage to the root system is minimized.

It is preferable to plant in each pot two seeds. When the seedlings appear and the seedbed leaves unfold, it is necessary to assess the condition of the sprouts. Leave the most powerful and healthy, the second cut off at ground level. If there are two sprouts in the pot, they will compete for light and water and will weaken as a result.

During the growth of seedlings passes through the following stages.

  1. Planting germinated seeds. While the seedlings are not visible, the pots are kept at a temperature of 25-28 degrees and covered with a film to accelerate growth.
  2. Lowering the temperature to 18-20 degrees. When seedlings appear, it is recommended to lower the temperature and increase the lighting. This measure will prevent the stretching of the subfamily knee, and the seedlings will be strong.
  3. Additive primer. During the period of growing cucumber seedlings it is recommended to do it once or twice.
  4. Application of feeding. It is necessary to use fertilizer specifically for cucumber seedlings.
  5. Quenching before planting in the ground. This procedure is worth a week before the planned relocation of seedlings. The temperature in the room is reduced to 16-18 degrees or the seedlings of cucumbers are carried out on the balcony.
Important! Although seedlings require a lot of light, direct sunlight should not be allowed to spread on the seedlings.

Features feeding and watering

For watering cucumber seedlings should be used only warm water. It is recommended to moisten the soil in the morning.

To saturate the soil, use complex fertilizers. While cucumbers are kept indoors, it is worth taking special mixtures for seedlings.

For the bushes planted on a bed it is better to prefer foliar top dressing. The nutritional composition is sprayed on the leaves of the plant. In this case, nutrients are more likely to begin to be used as intended.

As a top-dressing a solution of ammonium nitrate is taken for a liter of water of 5 g of substance. Also use a solution of urea, Chemira-lux or specialized fertilizer.

Apply the composition in the evening. If you spray the solution on the leaves during the day in clear weather, the water will quickly evaporate. The concentration of substances will increase greatly, and it will do more harm than good. You also need to make sure that the plants have dried out by night. They are very vulnerable to high humidity. Moreover, this is more pronounced in cucumbers than in other cultures.

The content of seedlings at home and its subsequent transplantation have their own characteristics. For seed germination, the optimum temperature in the room is about 25 degrees. It should be lowered at first after the emergence of shoots to avoid pulling sprouts. In addition to the optimal temperature, cucumber seedlings are important lighting and moderate moisture. Replant need sprouts that have 2-3 full leaves. Strong and on time planted seedlings will quickly take root in a new place and subsequently produce a bountiful harvest.