High-yielding onion hybrid for long-term storage “Corrado”

The Corrado onion hybrid of Dutch origin is resistant to many diseases and unfavorable climatic conditions. Thanks to high productivity, long-term storage, attractive presentation of vegetables and semi-sharp taste, the crop is suitable for growing for commercial purposes.

Description, origin and development

Corrado is a mid-season hybrid recommended for growing turnips in a two-year crop from sets.

Corrado onion was bred by Dutch breeders. The originator is NICKERSON ZWAAN B.V.

The hybrid was included in the State Register of Breeding Achievements of Russia in 2015.

High-yielding onion hybrid for long-term storage Corrado

Composition and beneficial properties

Onions have bactericidal and antiseptic properties and successfully fight viruses. Improves food absorption, increases the body's resistance to infections.

Chemical composition per 100 g:

  • vitamin C - 10 mg;
  • vitamin E - 0.2 mg;
  • vitamin PP - 0.2 mg;
  • vitamin B6 - 0.1 mg;
  • vitamin B5 - 0.1 mg;
  • calcium - 31 mg;
  • magnesium - 14 mg;
  • potassium - 175 mg;
  • phosphorus - 58 mg;
  • sulfur - 65 mg;
  • iron - 0.8 mg;
  • zinc - 0.85 mg.

Nutritional value per 100 g:

  • calorie content - 41 kcal;
  • proteins - 1.7 g;
  • fats - 0.2 g;
  • carbohydrates - 8.2 g;
  • water - 86 g;
  • dietary fiber - 2.5 g.

The vegetable contains malic and citric acids, essential oils and sugars. All this makes it useful when consumed both fresh and when added to various dishes.

Ripening time and yield

In southern climates, onions ripen within 95–98 days from the moment of emergence. In the middle zone, the harvest is obtained in 100–105 days.

The marketable yield of the hybrid is 230–332 c/ha. The maximum yield (609 c/ha) was registered in the Moscow region. From 1 m² of plantings, 3–8 kg of onions are harvested.

Disease resistance

Corrado is immune to:

  • to powdery mildew;
  • gray rot;
  • rust;
  • yellow dwarfism;
  • mosaic.

If agrotechnical standards are observed, the plant is not afraid of pests and diseases.

Characteristics

High-yielding onion hybrid for long-term storage Corrado

Bow Features:

  • large green feathers with a waxy coating;
  • bulbs are round in shape, approximately the same size with two rudiments;
  • neck thin or medium;
  • dry scales are golden brown, no more than 3 of them;
  • the pulp is juicy white;
  • the taste is delicate and semi-sharp.

The weight of one bulb is 90–110 g. There are specimens up to 190 g.

What regions is it suitable for?

The hybrid is recommended for cultivation in the Central Black Earth, North Caucasus, Lower Volga, West Siberian, East Siberian and Far Eastern regions.

Advantages and disadvantages

Positive characteristics of Corrado:

  • long shelf life: if all conditions are met, the bulbs lie until spring;
  • high percentage of ripening - 96% after ripening;
  • lack of shooting;
  • immunity to diseases and pests;
  • high productivity;
  • large, smooth bulbs.

Disadvantages: low frost resistance and high cost of seeding.

Planting and growing

To cultivate Corrado, they buy planting material, properly prepare the site, observe sowing dates and care for the plants.

Preparing for landing

When selecting a location, it is important to observe crop rotation.Onions are planted where legumes, cabbage, potatoes, rapeseed, beets, tomatoes, and mustard previously grew.

Bad predecessors:

  • garlic;
  • oats;
  • cucumbers;
  • carrot;
  • onion.

The crop is grown in the same place only for 2 years in a row. The next planting is recommended after 5 years.

Important! Only healthy bulbs without damage, sprouted feathers and roots are selected.

The sets are not soaked after planting: they are processed by the manufacturer.

Soil requirements

Hybrid Corrado grows well on fertile, loose and light soils. Sandy loam and loam with a neutral acidity level are suitable. If the soil is acidified, lime is added to the area 2 years before planting onions.

The bed is prepared in the fall: it is dug up with compost, rotted manure or wood ash. If mineral fertilizer is used (superphosphate or potassium sulfate), then ash is not added.

Dates, scheme and rules of planting

Corrado is planted before winter, but the exact timing depends on the region. It is important that the air temperature does not fall below +5°C and there are about 3 weeks left before frost.

The sets are planted according to the following scheme: 5–10 cm between heads and 15–20 cm between rows.

The bulbs are buried at a distance of about 5 cm above the neck so as not to freeze them. The plantings are sprinkled with earth, the beds are mulched with dry grass or leaves. In winter, more snow is thrown onto the site, which saves the onions from low temperatures.

Attention! Planting seedlings in autumn will allow you to get an earlier harvest.

In the spring, before planting, the seedlings are warmed up, for example, on a radiator. For the culture to develop, the air temperature must be at least +12°C. This usually occurs at the end of April or beginning of May.

Onions are planted in the same way as in the fall, deepening them 2-3 cm above the neck.

Features of cultivation

High-yielding onion hybrid for long-term storage Corrado

For the hybrid, choose a site at some elevation. This way, the plants will be exposed to the sun's rays, excess moisture will not accumulate, and strong winds will not damage the plantings.

Favorable temperature for cultivating Corrado is +18…+20°C.

Nuances of care

Plant care involves compliance with basic agrotechnical measures: watering, loosening, weeding, fertilizing, disease and pest control.

Watering mode

Moisten the plantings 1-2 times every 7 days. In warm, dry climates, water more deeply and more often. In the middle of the growing season, the frequency of irrigation is reduced by 2 times.

Water the onions early in the morning or in the evening. Water at room temperature is poured carefully, without getting on the turnips themselves.

Attention! Irrigation is stopped 2-3 weeks before harvest.

Loosening and weeding

After each watering or rain, the soil is loosened and weeds are removed. This will provide better nutrition for the roots and improve moisture and breathability of the soil.

Timely weeding will prevent the development of diseases and attacks of harmful insects. Weeds take nutrients from the soil, slowing down the development of onions.

Important! Mulching will help curb the growth of weeds and retain moisture longer.

Weed the beds with your hands so as not to damage the vegetables with a hoe.

Top dressing

Since Corrado bulbs are prone to the accumulation of harmful substances, it is better not to fertilize them with mineral compounds. In case of obvious growth retardation, organic matter is used:

  • aqueous solution of mullein in a ratio of 1:10;
  • bird droppings with water in a ratio of 1:15;
  • wood ash - 30 g per 10 liters of water.

Fertilizers are applied only to moist soil so as not to burn the roots.

Onions are fertilized no more than 2-3 times during the growing season: when the plants reach a height of 2-3 cm and 3-4 weeks after.

Disease and pest control

With proper cultivation techniques, the hybrid is resistant to major diseases and insects. Sometimes it is affected by onion fly. Tobacco dust is sprayed over the garden bed against it, and marigolds or calendula are planted.

If there are signs of disease, the plantings are treated with fungicides, the humidity level and the amount of fertilizer applied are monitored, and the onions are weeded in a timely manner.

Harvest and storage

The specific time for onion ripening depends on the weather and climate.

How and when to collect

When planting in winter, the harvest is obtained in late July - early August. When sowing in spring, the dates are shifted by a month.

The maturity of the bulbs is determined by yellowed tops Collected in dry sunny weather.

For ripening, the onions are left in the garden for 2-3 weeks, then carefully removed from the soil, shaking off excess soil. Transfer to a dry room to dry. Feathers and roots are cut off from turnips, and bad and damaged specimens are removed.

Storage features and shelf life of the hybrid

For long-term storage, vegetables are placed in a cool place. A cellar or basement works well. The temperature there is maintained within 0...+3°C, humidity - 85%. At home, the indicators are different: temperature - +18...+ 22°C, humidity - 70%.

Vegetables are placed in a cardboard or wooden box, wicker basket, or hung from the ceiling.

If all conditions are met, onions will not spoil until spring.

Difficulties in growing

The main problems that vegetable growers face are:

  1. Yellowing of feathers is caused by a lack of nutrients or improper plant care. To solve the planting problem, feed, water, and weed in a timely manner.
  2. Fading of feathers occurs due to a lack of nitrogen. For prevention, the culture is treated with a urea solution: 15 g per 5 liters of water.
  3. Curling of feathers is a signal of potassium deficiency. Potassium salt is added to the beds: 7 g per 5 liters of water.
  4. The bitterness of onions is associated with hot weather. Solve the problem by more frequent watering.

Advice from experienced gardeners

Feedings consisting only of natural substances are well suited for Corrado. Some summer residents use a yeast remedy: pour 250 g of bread into 5 liters of warm water, add 250 g of green grass and 250 g of yeast. The liquid is infused for 2 days and used as fertilizer.

For onions, drip irrigation is used: this way the plantings are moistened evenly and are not damaged by a strong stream of water.

Reviews

Gardeners love the taste and attractive presentation of the bulbs. The hybrid is easy to care for and the harvest is stored for a long time.High-yielding onion hybrid for long-term storage Corrado

Yaroslav, Orel: “The Corrado hybrid was attracted by the fact that it is planted before winter. I didn’t take much care of the crop when growing it, but I got a big harvest.”

Daria, Kostroma: “Last year I studied the descriptions of hybrids, varieties, reviews about them - the Corrado onion attracted my attention. I planted it and was pleased with the result. The bulbs are smooth and dense, not too spicy in taste. I fed the vegetables with chicken manure.”

Kirill, Uralsk: “I liked Corrado. It has a large harvest, is easy to grow, and has a high shelf life. However, sometimes feathers begin to dry out. I solve the problem with additional watering and fertilizing.”

Conclusion

The Corrado hybrid is highly productive, easy to care for, not affected by diseases and pests, and almost completely ripens after ripening. The semi-sharp, flat bulbs are stored until spring and are versatile in cooking.

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