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Probably, every gardener at the beginning of the new season asks the question: "What varieties to plant this year?" This problem is especially relevant for those who grow tomatoes in greenhouses. Indeed, in fact, a tomato is not adapted for such conditions, and there are several reasons for this, which will be discussed below.
How to choose the best variety of tomatoes for a polycarbonate greenhouse, what is the peculiarity of growing tomatoes in greenhouses - this is what this article is about.
What does a tomato need
For the normal development of tomatoes of any variety, certain conditions are necessary:
- Adequate amount of sunshine. No polycarbonate greenhouse can provide 100% light absorption by plants, because the walls of the greenhouse are not completely transparent. Part of the light is absorbed by the plastic itself, an even larger dose is lost due to the contamination of the polycarbonate. As a result, tomatoes are left with about half of the natural light.
- A certain level of humidity. Yes, tomatoes love water - these plants need to be watered frequently and abundantly. But high air humidity is detrimental to tomatoes, and in a greenhouse it is about 100%. Whereas tomatoes need only 65-70%. In such conditions, pathogens multiply very quickly, which leads to plant diseases and their death.
- Tomatoes do not like too high temperatures, in such conditions their pollen becomes sterile - the flowers are not pollinated. And in a polycarbonate greenhouse it is often very hot, a 30-degree temperature there is the norm.
Growing healthy tomatoes requires minimizing plant-damaging factors. But in a greenhouse it is almost impossible to do this, so you need to choose special varieties of polycarbonate tomatoes for a greenhouse.
Which variety is suitable for a polycarbonate greenhouse
Considering all of the above, it is possible to determine the criteria that a tomato intended for a greenhouse must meet.
- It is good to tolerate high humidity, that is, to be hardened against diseases and viruses.
- Don't need a lot of sunlight.
- It is good to tolerate temperature extremes that occur during the airing of the greenhouse.
- Suitable for greenhouse size. Indeterminate varieties of tomatoes can be planted in tall greenhouses, and tomatoes with compact bushes are more suitable for small greenhouses with a pitched roof.
- To be able to develop when forming a bush into one stem, since the limited space inside the greenhouse does not allow growing voluminous bushes with many side shoots.
- Have the ability to pollinate.
Important! Self-pollinated tomatoes are more suitable for beginners, and experienced gardeners can afford to plant tomatoes that require pollination and carry out this procedure instead of bees.
Many gardeners consider the variety to be one of the best greenhouse tomatoes. The plant belongs to indeterminate, is characterized by fast ripening times - the first fruits can be harvested as early as 96 days after sowing the seeds.
The height of the bushes reaches 2.5 meters, there are many side shoots. Therefore, the tomato must be pinned, forming a bush and controlling the thickening.
Mikado is also loved for its excellent taste characteristics - this is one of the best-selling varieties of tomatoes. The fruits are colored pink, differ in large size - the weight of each tomato is 300-600 grams. In section, the tomato resembles the flesh of a watermelon - the break is the same sugary. The flesh tastes sweet too; this variety contains a record amount of sugars.
The yield of this variety is 10-12 kg of tomatoes from each meter.
The tomato is considered ultra-early ripening, the fruits on the bushes ripen within 80 days. A distinctive feature of the variety is the white color of the fruit in an unripe state. As tomatoes ripen, they first turn orange and then red. Thus, on each bush, multi-colored fruits develop at the same time. Such tomatoes look very impressive.
The average weight of each tomato is 200 grams. By the end of the season, one bush gives up to 30 tomatoes.
Probably the most productive of all varieties of polycarbonate greenhouse tomatoes. This tomato is grown commercially and on individual plots. The height of the bushes can reach 4.5 meters.
The plant can be formed into a tree, which is successfully done in industrial farms. The crown area of a tomato tree is about 50 square meters, that is, the greenhouse for growing this variety must be huge.
The variety can bear fruit for 18 months, but for this the greenhouse must be heated. A record number of tomatoes are harvested from each tree every year - about 14 thousand fruits.
Tomatoes are small, oval, colored red. They are formed in clusters, each of which contains several dozen fruits. The main purpose of tomatoes is canning. The peel and flesh of tomatoes are dense, small in size - they are great for pickling.
Despite such a yield, the variety cannot be called capricious: the plant perfectly resists diseases, does not require special care (except for tying).
If there is no heated greenhouse on the site, the variety will not grow to the size of a tree in one season. But the height of the bushes will still be impressive, and high yields will also remain.
Clustered tomato variety for the greenhouse. The size of the fruits is slightly larger than ordinary cherry blossoms, but tomatoes also grow in bunches, in each of which many fruits simultaneously ripen.
The color of the tomato is red, the shape is round. The fruits are very tasty and sweet, suitable for canning, but also very tasty fresh, in salads and other dishes.
The bushes of this variety are compact, low. And the fruits, on the contrary, are large, the average weight of each is about 200 grams. Tomatoes are in the shape of a ball, slightly flattened, painted in a deep red color.
The palatability of the fruits is high, they have a fairly high content of sugars and nutrients. Tomatoes are suitable for canning and fresh consumption.
A hybrid with medium-sized bushes. The fruits are round and large enough. Tomatoes are delicious and can be eaten fresh and in salads. However, on each bush you can find several not so large fruits that will crawl into the jar, so the variety can also be used for canning.
The taste of tomatoes is very delicate and pleasant. The pulp is juicy and aromatic.
Delicious greenhouse hybrid. Ripe tomatoes are raspberry-colored and large enough. Taste qualities of a tomato are on top - it is customary to eat it fresh or add it to summer salads.
There are a lot of nutrients and vitamins in fruits. These tomatoes are good for diabetics, children or the elderly, so they are often processed for dietary nutrition.
Advice! You need to pluck the fruits from the bushes carefully - their delicate skin and pulp can crack. Do not allow the Rosemary tomatoes to overripe.
The plant belongs to a determinant species, the bushes are quite compact. About four kilograms of tomato can be removed from each square meter planted with this variety of tomatoes.
Ripening of tomatoes occurs in 120 days, which makes it possible to classify the variety as mid-season. The weight of each fruit is about 500 grams, so the fruits are not suitable for whole-fruit canning, but they are very tasty in salads and snacks.
A strong feature of the variety is resistance to fungal diseases.
Large-fruited variety belonging to the determinant group of tomatoes. The mass of fruits can reach a kilogram, but most often tomatoes weighing about 300 grams are found.
The taste of the fruit is very sweet, the fruit is fragrant and juicy. The color of the tomatoes is red-pink, the shape is a flattened ball. The yield of the variety is quite high - up to eight kilograms per square meter.
"King of the Orange"
This variety of tomatoes is indeterminate, the plants are tall, they need to be tied up. Tomatoes ripen by the 135th day after sowing seeds for seedlings.
The color of the tomatoes is bright orange, the shape is elongated, the weight of each fruit is about 600 grams, the taste of the tomatoes is very sweet and juicy.
A hybrid variety bred in Russia specifically for growing in greenhouses. This tomato belongs to the carp varieties - the berries ripen in bunches, each of which contains 8 fruits.
Fruits ripen early, can be stored for a long time, are well transported, not prone to cracking. The plant resists the tobacco mosaic virus and several other diseases that are dangerous for tomatoes.
The tomato belongs to the medium early, the first fruits ripen by the 110th day after planting the seeds for seedlings. The plant is indeterminate, the bushes are tall and vigorous.
The fruits are interesting primarily for their unusual shape - they are heart-shaped, red in color, rather large - about 350 grams.
The taste of tomatoes is good, most often they are used for fresh consumption. The yield of the variety is also quite high - about 9 kilograms from each meter of the greenhouse.
Attention! Variety "Budenovka" was bred by domestic scientists specifically for cultivation in greenhouses. The weak point of this tomato is its low resistance to viruses and diseases. Therefore, the plants need to be regularly inspected and processed.
The hybrid variety is considered one of the highest-yielding polycarbonate greenhouse tomatoes - a maximum of 17 kg of tomatoes can be harvested from one square meter.
The variety is determinant, the height of the bush reaches 1.5 meters, the stems are powerful, there are stepsons. The bush must be formed, it is better to leave one stem, directing the lateral process into growth.
The tomatoes are red, round and medium in size. The mass of each tomato is about 100 grams. These tomatoes are convenient for canning as a whole.
Review of the tomato "Blagovest F1"
Selezneva I.A. 56 years old, Abakan
I bought the seeds of this hybrid last season. I needed a tomato for growing on the balcony - I was bribed by the height of the bush and high yield, as well as small round fruits that are perfect for pickling. Seed germination is very good, the plant itself is strong, not prone to disease. For the entire season, only a lack of calcium was noticed, manifested by apical rot. The first tomatoes ripened at the beginning of September, while the seeds were sown for seedlings in mid-April. Tomatoes ripen in clusters, their weight is from 40 to 70 grams, the taste is very good. In general, I am satisfied with the variety, but it is still better to grow "Blagovest" in a greenhouse - a one and a half meter bush is cramped on the balcony.
Rules for growing tomatoes in greenhouses
Knowing about the features of varieties intended for greenhouses, you can deduce some rules for caring for such plants:
- disinfect the soil and wash the greenhouse before each new season;
- regularly ventilate the greenhouse, avoiding too high temperature and humidity inside it;
- buy self-pollinating varieties of tomatoes or be able to pollinate flowers with your own hands, because there are no bees in the greenhouse;
- regularly inspect leaves and fruits for infection with rot or other disease;
- pick tomatoes a little earlier than they are fully ripe - this will accelerate the growth of the next fruits.
Advice! If you buy cold-resistant tomatoes, you can get the harvest in the greenhouse until the autumn frosts.
These simple tips and feedback from experienced gardeners will help every beginner to decide on the best tomato variety for his greenhouse, and an experienced farmer - to find a new, unique tomato variety.