The best tomato seeds for a polycarbonate greenhouse

A good harvest of tomatoes in a greenhouse can be obtained only by correctly selecting a variety. First of all, it should be designed for growing in a closed ground. When purchasing planting stock, some other factors should be considered. In this article, let's talk about how to choose the best tomato seeds for a greenhouse.

The basic rules of selection of a grade

On a small, closed from all sides uchastochke favorable conditions for the development of various pathogenic microorganisms and harmful fungi. Therefore, when choosing seeds of tomatoes for a greenhouse made of polycarbonate, one should pay attention to the resistance of one or another variety to diseases. This is especially true of late blight.

Depending on the selection of the variety and the design of the greenhouse itself. For a small, not too high structure, so-called determinant (low-growing) tomatoes are good. The tomato bushes of this group occupy very little space and are characterized by precocity combined with good yields.

In tall greenhouses, lianate tomatoes are usually grown. A distinctive feature of such tomatoes is the unlimited growth of the stem. Its length can reach 3 meters. In this case, the whole plant is usually covered with fruits. That is, growing high varieties, it is easy to compensate for the lack of ground area. The advantages of lianate tomatoes, also called identities, are also referred to as long fruiting and easy maintenance. From one such bush it is possible to collect up to 15 kg of fruit.

Sometimes in greenhouses both these varieties of tomatoes are planted: high and low. In this case, the lianate tomatoes are located in the center, and the determinant ones - along the perimeter of the beds.

When choosing tomatoes for a greenhouse, you need to pay attention to one more factor. The variety should not be afraid of waterlogging of the soil. Dampness in the enclosed space of the greenhouse is usually very much.

Use of fruits

When choosing the most suitable tomato seeds for a polycarbonate greenhouse, one should also consider what this crop will be grown for. In specialized stores today you can purchase a planting stock of three main types of tomato: salad, used for canning and intended for sale.

Fruits of tomatoes of the first group usually differ in sweet taste, juicy pulp and large sizes. Color of salad tomatoes often have pink. A characteristic feature of the fruits of varieties intended for canning are small sizes and the ability to transfer heat treatment without changing the shape. Usually such tomatoes have a classic bright red color. The fruits of varieties grown for sale are distinguished by a neat form, a fairly dense structure of pulp and transportability.

Red, yellow, green

Many owners of suburban areas choose seeds of tomatoes for a greenhouse made of polycarbonate, taking into account, among other things, what color they will have in the future to have ripened fruit. Most summer residents like classic red, yellow or orange tomatoes. However, some truck farmers like to experiment and acquire seeds of purple, green or black tomatoes.

Fruits of different colors can differ in both taste qualities and the composition of the nutrients contained in them. So, yellow tomatoes, for example, are much less caloric than red ones. In addition, in their pulp contains much fewer substances that cause allergies. The yellow color is given to the fruits provitamin A, able to prevent including oncological diseases.

Orange tomatoes contain a lot of lycopene, an antioxidant, able to protect against various diseases of blood vessels and heart.

Very interesting are varieties with violet fruits. The flesh of such tomatoes contains in large quantities anthocyanin - a substance belonging to the group of glycosides, beneficial for the vessels and contributing to the strengthening of immunity.

Not so long ago, genetically modified tomatoes of violet and blue were released abroad. Anthocyanin is very abundant in them, but they can be purchased only in those countries where the use of products with GMOs is allowed. In our country, the seeds of such tomatoes are not sold.

High grades

Focusing on some features of adult plants, you can actually choose the best tomato seeds for the greenhouse. High tomatoes, thanks to their yield and endurance, are enjoying a well-deserved popularity among summer residents. Most often, domestic farmers grow such varieties as:

• Honey saved. This salad tomato of the medium ripening period has yellow fruits, large and very tasty. The adult plant can reach a height of 1.5 m. The main advantages of this cultivar include resistance to disease and cracking. Productivity - 4-6 kg per bush.
• Mushroom basket. An indeterminate variety with large fruits (up to 500 gr) of classic red color, the main distinctive feature of which is a pronounced ribbed form. The variety is medium-ripening and can reach a height of 2.5 m.
• The Black Moor. The exotic variety is up to 1.3 m high. Its round, slightly elongated smooth fruits, which have a chocolate-red color, are distinguished by their transportability, keeping quality, suitable for canning.

For those who want to get a good harvest, it is worth buying just such seeds of tomatoes. For a greenhouse tall tomatoes actually fit very well. The peculiar vertical beds, formed by long plants, allow to use the limited space as rationally as possible.

Features of growing a lianate tomato

Of course, to get a good harvest, you need to choose in the store quality - from proven producers and not expired - tomato seeds. For a greenhouse self-pollinated tomatoes fit, as already mentioned, very well. But, of course, even the most unpretentious variety requires care.

Tomatoes of this group in greenhouses are grown practically according to the same technology as in the open field. Ogorodniku, for example, without fail will have to deal with the formation of a bush. The lateral processes in the lianate tomato are removed. This stimulates plant growth. According to the rules, you should leave only one stem in the bush. However, there are usually not so many places in greenhouses. Therefore, domestic farmers often grow plants with two stems. Harvest in this case can also get very good.

Of course, for tall tomatoes you will need to arrange props. The most suitable option is the usual trellis, similar to the grape. To make it on the edges of the bed set two bars and connect them with a crossbar. Through the entire height of the resulting structure, the wire or cords are pulled in parallel rows.

It is not recommended to plant tall varieties too thick. On 1 m2 should not be more than 3-4 plants.

The best undersized tomatoes

The advantage of determinant varieties of tomatoes, among other things, is precocity. Therefore, not only the owners of small low greenhouses, but also those who want to harvest the crop as early as possible, it is worthwhile to pick up the seeds of stunted tomatoes. For greenhouses are perfect varieties:

• Ballerina. Tomato with sweetish red elongated compact fruits of the mid-ripening maturity. The bushes can reach a height of 0.5-1 m.
• The pink leader. An early-ripening variety, the fruits of which are used for both canning and salads.
• Fontanka. Stamp is a very low grade (up to 50 cm), characterized by precocity. Red fruits Fontanka have an oval shape. Among all early ripening varieties, this is considered the most productive. Only one plant can form up to 40-45 fruits.
• Summer resident. Also very low grade (up to 50 cm). It is resistant to frost. Its red fruits have a rounded shape, small size and are excellent for canning.

Care for stunted tomatoes

The need for frequent fertilizing is what distinguishes the determinant varieties. Seeds of tomatoes for this group's greenhouses are sold a variety of varieties. However, almost all low-fat tomatoes have one characteristic feature. They do not absorb nutrients very well from the soil. To feed small tomatoes is best organic fertilizers. When planting seedlings in the holes must be added to the dumped manure. During the growing season, the tomatoes of this group are supposed to hill. Also pasynkovanie is made. Top dressing is carried out before each hilling.

Tomatoes for sale

Those who want to grow fruits to market, transportable, attractive and in demand among consumers, also in the first place should choose the right seeds of tomatoes. For a greenhouse made of polycarbonate, in this case, according to many gardeners, the best varieties are:

• Cap of Monomakh. This tomato is valued for very tasty and fragrant fruits. At the moment it is considered one of the most productive in the domestic market. From a square meter of the greenhouse area it is possible to collect up to 14 kg of tomato fruit of this variety.
• Cardinal. Another large-berry variety (up to 800 gr). It can reach a height of 170 cm. The fruits differ in crimson color and very pleasant to the taste of flesh.
• Canadian giant. A tall plant with a stem length of up to one and a half meters. The fruits are large, slightly flattened. The flesh is juicy, with sourness.
• Russian soul. High grade (up to 1.5 m) with large red fruits. Can be used for both salads and canning. Pulp differs pleasant slightly sour taste.
• Biysk rosan. Salad variety with delicious fruits of red color is slightly irregular in shape.

Cherry tomatoes in the greenhouse

In the enclosed ground, these interesting little tomatoes are often grown. The best varieties for greenhouses in this case can be selected, also focusing on the experience of domestic dacha owners. Most often, our truck farmers grow tomatoes under a polycarbonate shelter:

• Cherry Cherry. The height of the stem of tomatoes of this variety can reach 2 m. The fruits have an even shape and a smooth surface. Their color can be bright red or yellow, since the seeds are usually sold in a mixture. The flesh is very juicy and sweet. In one brush collected up to 50-60 small fruits. Tomatoes of this class may be used for canning.
• Minibel. A short, early ripening variety with very small red fruits. Flesh of tomatoes juicy, with sourness. Use Minibel can be for salads, and for canning.
• Bonsai. Hardly the smallest in the world (height 20 cm) grade. Fruits (30 grams) are very dense, as they mature, they change color from green to yellow, then to orange. Ripe tomatoes are red. The variety is very resistant to all major diseases of tomatoes.

In specialized stores today you can buy absolutely any seeds of Cherry tomatoes. For small greenhouses, tomatoes of this group can be just perfect.

Dutch tomatoes

Good yields in greenhouses can give not only domestic, but also some foreign varieties. For example, Dutch tomatoes are very popular with our summer residents. Grades bred in this country are usually characterized by unpretentiousness and high yield. Very good for growing in a greenhouse, for example, tomato tulip. Its main distinctive feature is the red fruit of an interesting shape, similar to a flower bud. Their flesh is very tender and juicy. The variety is characterized by high yield. Dutch tomato seeds for greenhouses can also be easily purchased at a specialized store. We grow such tomatoes our truck farmers usually using the same technology as domestic varieties.

New seeds of tomatoes for greenhouses

Every year, a large number of new varieties and hybrids are bred by breeders. Including suitable and for growing in greenhouses. Of the varieties that have recently appeared on the market, the most popular are:

• Pink flamingo-2. The fruits of this variety differ just by their excellent taste qualities. The advantages of resistance to disease.
• Batiane. Rapidly popular with summer residents is a large-fruited variety with pink fruits that resemble the heart in shape.

Hybrids

Of course, not only tomato varieties are cultivated in a greenhouse. Many summer residents prefer to plant in a closed ground hybrid tomatoes. The best varieties for greenhouses, the characteristics of which were considered above, are characterized by high yield and resistance to diseases. However, they can not compare with hybrids in this respect. The latter is easier to grow. However, it is impossible to obtain quality seeds from them, of course. The most popular hybrids are:

• F1 Union 8. An early maturing determinant plant, yielding fruits that are well suited for the preparation of salads. They can also be used for canning. Hybrid is highly resistant to major diseases of tomatoes. Its small red fruits have a flat-round shape.
• Pablo F1. Medium-mild hybrid, yielding very good yields. The bright red dense fruits of this tomato have a rounded shape.

A few tips

Those who like to make pasta, "light" or tomato juice, it is worth buying seeds of large tomatoes. For the greenhouse, the same Cap of Monomakh, the Canadian giant or the Cardinal is perfect. Varieties with large fruits are usually used for salads. For marinating it is worth buying seeds of varieties with compact tomatoes. After all, firstly, the fruit should easily pass into the neck, and secondly, when salting small fruits, the internal space of the can is much more rationally used.

Harvest tomatoes for greenhouses of the above varieties are resistant to diseases and relative ease of care. However, of course, to achieve good results when growing tomatoes in a closed ground, as well as in an open field, it is possible, only giving the plants maximum attention. Water your tomatoes on time, weed and loosen them, do not forget about top dressing. And then you are guaranteed a good harvest of tomatoes of almost any kind.