Tomato Spring of the North F1 is a hybrid. Description of the variety: it is determinate. That is, the main stems stop growing after the flowers are set. The stems are 40-60 cm high and have medium-sized green leaves. The variety is early ripening. From the first shoots to harvest, 95-105 days pass.
Attention! In 2011, the variety was included in the State Register of Breeding Achievements. It is recommended to grow it in unheated film greenhouses.
Characteristics of the fruits: pink, flat-round, with small ribs, the number of chambers with seeds is 4-6. Tomatoes have an excellent taste, the weight of one is 180-200 g. Tomatoes are put in salads.The maximum harvest is up to 17 kg of tomatoes per 1 m². Reviews about tomatoes are positive, people like the keeping quality of the fruit, that is, they do not crack.
Pros and cons
Advantages of this variety:
- excellent productivity, 7.9-8.1 kg are harvested from 1 m²;
- the fruits are delicious;
- they are transportable, as they have dense, fleshy and non-cracking flesh;
- the variety is resistant to verticillium;
- it is suitable for industrial cultivation.
Some of the disadvantages:
Since the variety is classified as a hybrid, it cannot be grown from independently collected seeds.
Obtaining seedlings from seeds
Cultivation begins by sowing seeds in early March in a container with soil. If you want to grow tomatoes on an industrial scale, spring planting of seeds in a greenhouse is recommended.
12-15 days before placing the bushes in open ground, they are hardened. At the age of 60-65 days, the bushes are transplanted to an open area or to a greenhouse.
Protection from pests and diseases
Before planting, seedlings are treated with Bordeaux mixture, Hom, and Zineb.
Transplanting
Choose a well-warmed place with light soil. Areas must be protected from winds. These are places on slopes from the south and southwest.
Plant plants at a distance of 50 cm, place 7-9 bushes per 1 m².
Bushes need to be protected from returning frosts in the spring. To do this, you can cover the seedlings with film. When it gets cold at night, light smoke bombs and fumigate with manure.
If tomatoes are planted over a large area, you can protect them at temperatures close to 0°C by sprinkling. Use 50-70 m³ of water per hectare. Be sure to loosen the soil, water, and feed the tomatoes.
If it is quite cool in the spring, then you should not water the bushes abundantly, as water lowers the temperature of the earth by 1-4 °C, which will make the fruit set worse.
To prevent the buds from falling off and the fruits to grow and ripen faster, the first 2-3 clusters are sprayed with 2,4-D herbicide, highly diluted with water, dissolving 10 mg per 1 liter of clean water. The variety needs pinching. Regularly loosen the rows and weed the weeds.
Fruit ripening
To ripen, tomatoes are picked when they are still white-green and the stalks are removed. Next, the fruits are laid out in 2-3 layers in boxes. The boxes are placed in a room with an air temperature of 20-22°C, with a relative air humidity of 85%.
Using devices RA-21, RA-22, ADS-1, “Kievlyanin”, tomatoes are sprayed with ethylene gas, which passes through the gas outlet tube.
The windows in the room are opened once every 24 hours. They consume 0.5 liters of gas per 1 m³ of internal volume of the room. Such tomatoes ripen in 3-5 days, whereas without treatment they would ripen in 12-15 days.
