Variety of onion sets Rosanna (Rossana): characteristics, description, reviews

Onion Rosanna (in some sources it may be found under the name Rossana) is a mid-season variety. Gardeners love it for its unpretentiousness to the composition of the soil, long shelf life, and versatility. To get a high yield of a peninsular product, it is necessary to take into account some nuances during cultivation.

History of origin

Roseanne onion was bred by British scientists at the beginning of the XNUMXth century. After crossing with the Roscoff variety popular in France, the sevok became suitable for cultivation in the UK. Roseanne quickly gained popularity in Our Country, the Middle East, and the USA.

The supplier of seed material to Our Country (since 2012) is a Dutch agricultural company

The grade gives a stable crop in any climatic zones. Depending on the region, the method of cultivation is chosen – sevkom or seedlings.

Description and characteristics of onion variety Rosanna

According to the description of the variety, according to the chemical composition, pink onion Rosanna is rich in vitamins and microelements. It is an excellent tool in the fight against beriberi, effectively fights bacteria and viruses.

Appearance

Rosanna’s turnip weighs 100-120 g, has a flat-rounded shape. In diameter, the bulb reaches 8 cm. The upper scales are pinkish-red in color. The pulp is juicy, semi-sharp.

The aerial part is tubular feathers of bright green color. Plant height is 30-35 cm.

Productivity

Rosanna refers to mid-season varieties. From sowing to harvesting takes 110-120 days. Productivity from 1 m² is from 3 to 5 kg. The taste of onions remains unchanged throughout the entire shelf life – up to eight months.

Disease and pest resistance

Failure to follow the rules for caring for Rosanna onions leads to the appearance of ailments:

1. Jaundice is a viral disease that cannot be cured. The onion turnip Rosanna stops growing. Affected plants should be removed from the garden.

   

2. Gray rot. To avoid the onset of the disease, it is recommended to treat the beds with a solution of Switch, Bravo or Quadris a week before harvesting.

   

3. Powdery mildew appears on the feathers of the Rosanna onion as greenish-yellow spots. The leaves become brittle, the bulb stops growing. To increase Rosanna’s immunity, it is recommended to treat plants with fungicides.

   

The most dangerous pests for the variety are the root mite and the onion fly. To scare away the latter, carrots are planted next to the beds. If it does not help, they resort to the help of insecticides.

Application

Rosanna onions are ideal for salads, pickles and marinades. The vegetable goes well with meat dishes, onions are especially good in barbecue. In the process of heat treatment, Rosanna onions do not lose their beneficial properties. Therefore, it is added to stews, soups, roasts, dried.

Advantages and disadvantages

Every vegetable has both advantages and disadvantages. gardeners speak positively about the culture.

The main plus of Rosanna onion is a long shelf life

Advantages:

• unpretentiousness to the composition of the soil;
• high yield;
• disease resistance.

The disadvantages include the heat-loving variety. From a sharp drop in temperature, the turnip stops growth, may die.

Planting Rosanna onions

It is not recommended to grow the Rosanna variety in the same place. Attention! Good predecessors for the cultivation of onions are tomatoes, cabbage, zucchini, cucumbers.

For growing Rosanna, choose a flat, well-lit area with fertile soil. It is advisable to place a garden bed with vegetables on a hill.

Roseanne onion tolerates drought well, and the root system can rot from an excess of moisture.

In the northern regions, the variety is suitable for growing sevkom. In the southern regions, seed cultivation is practiced. During the growing season, the onion has time to fully ripen.

Cultivation from seeds

Rosanna is planted for seedlings in the last decade of February or in early March. To increase the immunity of onions, it is necessary to disinfect the seeds. Planting material is placed for a day in a solution of potassium permanganate and placed in a warm place. Then the nigella, so that it sprouts, is transferred to a damp cloth for a week. When the sprouts break through, the planting material is dried.

Any container is suitable for growing seedlings (it is advisable to use a container no higher than 10 cm). Boxes or cups are filled with soil mixture at room temperature. Seeds are sown in grooves to a depth of 3-4 cm, sprinkled with soil. The soil is lightly tamped, watered. The container is covered with cellophane film, placed in a warm place.

When sprouts appear, the shelter is removed. In a room with seedlings, the temperature is reduced to + 10 … + 15 ° C, providing it with a 12-hour daylight hours. For the purpose of prevention, every 12–14 days, seedlings are sprayed with Prestige.

Transshipment of Rosanna onions in open ground is carried out 35–40 days after germination. At this point, the root system is quite developed. The most suitable time for transplanting is when the soil warms up to a temperature of +10 ˚С. The distance between sprouts is 10 cm, the row spacing is 20–25 cm.

Planting sevka

Before proceeding with planting a sevka, it is calibrated. Suitable turnips are placed for several days in a warm place (will help prevent the appearance of arrows). If it is not possible to carry out such a procedure, it is recommended to alternately pour cold and warm water on the bulbs. After that, the planting material is dried.

The beds for planting sevka have been prepared since autumn – weeds and other debris are removed, they are dug up

A week before planting, the soil is treated with a solution of copper sulfate. The bow is placed in the grooves. The row spacing is 20–25 cm, the distance between the turnips is at least 10 cm, the depth is 3–5 cm.

Onion Care Roseanne

To achieve a good harvest of Rosanna onions, it is possible, if watering and loosening are carried out in a timely manner, and fertilizing.

Watering

Irrigation is carried out every 10 days. Sprinkler irrigation is not recommended. This can cause turnip rot if liquid gets between the feathers. Stop watering 2-3 weeks before harvest.

Loosening

Loosening the soil near the onion heads is best done after each irrigation or rain. This will saturate the soil with oxygen. It is necessary to timely remove weeds that prevent the development of onions, taking away useful substances from the turnip and shading it from the sun’s rays.

Application of fertilizers

During the growing season, Rosanna needs two top dressings:

1. During the period of intensive growth, the beds are watered with a nutrient solution. In a bucket of water, a tablespoon of urea and a glass of bird droppings are diluted. Top dressing is applied at the rate of 3 liters per 1 m².
2. After two weeks, the plants are fertilized again. This time, 2 tbsp is dissolved in a bucket of water. l. nitrophoska. 1 m² consume 5 liters of solution.

Fertilizers stimulate the growth of onions, but it is impossible to exceed the recommended norms. This can shorten the shelf life of vegetables.

Harvesting and storage of crops

Harvest time is determined by the tops of plants that have dried up and bent down to the ground.

It is better to start harvesting in dry weather. The turnip is pulled out of the ground, laid out under a canopy. A week later, the onion is sorted out, cleaned of dirt. Large fruits are separated for cooking. It can be cut and stored in a net or box, or braided. Small turnips are folded separately, they are suitable for planting next year.

The temperature in the room where vegetables are stored should be from +10 to +15˚С

Conclusion

Gardeners fell in love with Rosanne’s onions for their mid-ripening. He has time to ripen before the start of the August rains. The variety is rich in vitamins and microelements, which helps to cope with spring beriberi. The only drawback is thermophilicity.

Reviews of gardeners about the onion Rosanna