Why does a young onion turn yellow in the garden and does not grow: the reasons, what to do, how to process, pour, feed? Why onions gives the arrow and turn yellow quickly: causes, treatment. What is not enough on the onion if the feather turns yellow: illness, lack of trace elements in the soil, pests, improper care

If the onion turns yellow, then there is an oversight in care. How to identify and prevent the propagation of pests in the bow we learn in the article.

Onions are perhaps one of the most popular foods, it is added to many dishes, sometimes even in desserts. The beneficial qualities of this vegetable can be talked endlessly, and, of course, many grow a green vegetable in their beds, in greenhouses and even on windows in special containers. One of the most common problems that arise when growing onions is the yellowness of a onion pen. This is what will be discussed in the article.

Why does a young onion turn yellow in a bed in a greenhouse and does not grow: illnesses

It is better to immediately throw off the affected onion, especially if you grow the plant in a greenhouse, because The disease can spread to the rest of the bulbs. And to cure a dried plant will not work. To prevent the appearance of yellowness, you need to take into account some factors that can provoke the drying of the plant:

1. Flying beetles who can be carriers of diseases
2. The presence of fungal diseases of the plant
3. Regularity of care, hilling and deliverance of vegetables from weeds
4. The activity of sunlight also affect the growth and development of vegetables
5. Nitrogen shortage in the soil

If you control the indicated aspects, then the crop will be intact and unharmed, and the onion is green. It is also worth remembering that if you properly care for onions and prevent yellowing of the plant in time, then all the beneficial substances will be fully preserved.

That onions are missing if the feather turns yellow: a lack of nutrients and trace elements in the soil

One of the reasons for drying onion feathers is a lack of minerals and nutrients in the soil where onions are grown. If you fulfill all the requirements for caring for the plant, water it in time, and the weather allows you to grow a good harvest, but the bow still turns yellow, most likely the problem in the soil.

• It is recommended to check the soil for nitrogen content. This can be done in the laboratory, or with the help of a special device yourself.
• Of course, solving such a problem is very easy. If there is not enough nitrogen in the soil, then it is worth fertilizing the area with nitrogen -containing fertilizer. Chicken label or mullein is also suitable.
• Nitrogen deficiency is a fairly common problem that applies not only to onions, but also to other plants.

It is important to remember that it is necessary to feed the beds only with rotten manure or a transferred infusion. T.K. When introducing fresh manure into the soil, you can bring a fungal disease, which is extremely destructive for onions.

Why does a young onion turn yellow in a bed in a greenhouse and does not grow: pests

Significant damage to vegetables is brought by various bugs-bugs, including onions.

• Onion fly, or rather its larvae. Approximately in the second half of May, the female fly lay her eggs under the first scales of the bulbs, and a week later, the larvae grow and begin to feed on onions, as a result, the plant rotates. To prevent the damage to the plant with a onion fly, you need to fulfill some rules:

1. Plant onions as early as possible, so the plant will be stronger and more resistant to conditions
2. You need to plant onions near carrots, because Fly hates her smell
3. You can use one bed under the onion only once every 4 years
4. To process the beds with special means, a salt solution is suitable from folk methods

• The onion of the onion feeds on the leaves, and it can get rid of it with the following methods:

1. After gathering the crop, it is very carefully clean the beds of onions, because The beetle can winter in such places
2. Before the onset of frost, you need to loosen the ground, the beetle does not tolerate the cold
3. If there are few beetles, you can just assemble them
4. Between rows, you need to loosen the ground and add repetitants, for example, wood ash, mustard powder or ground pepper

• The stem nematode is an almost imperceptible worm that feeds on the juice of the plant. Fighting such pests is very difficult, because It is almost impossible to determine the presence of a nematode in the soil, but the methods still exist:

1. Do not plant onions in the same place for more than 4 years
2. Use a whole intact planting material
3. Process onions before planting
4. Pour onion tincture of marigolds

• Tobacco thrips is a small insect, the size of which is no more than 1 mm feeds on the juice of many plants, including onions. Avoid damage to onions with a tripps will help:

1. Crop rotation
2. Doposary processing of the material
3. Spraying beds with a special tool

• Onion moth appears in July and especially harms the plant in dry hot weather, you can fight the pest as these methods:

1. Crop rotation
2. Thorough cleaning of residues after harvesting
3. Digging of the soil before the onset of cold weather

Why does the onion turn yellow in the garden, in the greenhouse and does not grow: improper care

Proper care is an important stage in the cultivation of any plant. In order for the onion crop to succeed in adhere to such rules:

• When the onion is just starting to water the plant, you need to abundantly once every 3 days. You can bleach the soil and then water less often
• Water only warm water 18-25 ° C
• Pour only up to noon
• Water for watering should be as soft as possible, without the presence of heavy metals in the composition
• Watering scattered, preferably with a watering can

• Combine watering with mineral top dressing
• Stop watering is worth 1 month before harvesting

Also, do not forget about the timely fertilizer of the soil and cleansing of weeds.

Than to spray the onion from the onion fly so that it does not yellow: means, recipes

The larvae that the onion flies lays is destructive for the plant to prevent the destruction of the crop, you need to apply measures in time. If the fly has already caused damage, you need to treat the beds with special means - insecticides. There are other methods that allow you to deal with the pest, for example:

1. Honox not only destroys larvae, but also fertilizes the soil. But it is worth adhering to the correct proportions so as not to harm the plant: 2-3 tbsp. 10 liters of warm water
2. Salt solution. Proportions: 1/3 of the pack for 10 liters. The first watering is carried out when the plant grows by 5 cm. The second treatment is carried out after 2 weeks, it will take half a pack for 10 liters. And the third watering is performed after 3 weeks and for this you will need 2 packs of salt per 10 liters.

   

3. Wood ash is an excellent tool for combating various pests and fertilizer. At 10 sq.m. Distribute 2-3 kg of ash evenly. Then slightly loosen the site
4. Carried soap processing is carried out 2 times in season 1. To do this, dissolve 50 g of soap in 10 liters of purified, warm water. It is better to carry out the procedure in the evening, so that the soil holds moisture.
5. Infusion of very odorous herbs is also a proven way to combat the onion fly. It is better for this such herbs as: mint, wormwood, Melissa, valerian. Proportions: 200 g of crushed dry herbs brew in 10 liters of boiling water, let it brew for 4 hours.

Than to water onion from worms so that it does not yellow: means, recipes

If worms have wound up on a bed with onions, fighting them is quite problematic, because they are almost invisible, but at the same time pests cause significant harm to green onions. You can fight them in such ways as:

• Salt solution: 1 cup of table salt per 10 l of water, this will help to fight even weeds and other pests
• It is important to treat the soil with boiling water before planting - this will destroy pests
• Before planting, you can pour a solution of potassium permanganate
• Wood ash: sprinkle the site with it before planting onions
• Another excellent method is 3 kg of tomato tops, pour 10 liters of water, boil, add 50 g of laundry soap, slightly cool and treat the site.

The most important thing to deal with pests is immediately as the first damaged leaves are manifested, thus, damage to the rest of the plants can be avoided.

How to fertilize the onion if it turns yellow: means, recipes

Onion feathers turn yellow for various reasons, one of them is a lack of beneficial substances in the soil, for this you need to periodically fertilize the soil and adhere to the rules of crop rotation. It is better to take measures and prevent the emergence of a problem that leads to drying the plant, rather than to cope with the consequences. Therefore, you need to disinfect the soil for this in time:

• A bucket of warm water
• 1 tbsp. granules of copper sulfate

This solution can be treated with soil before sowing, while only high -quality planting material should be used.

Pests can be dumped from the aroma of onions in this way:

• Grated laundry soap - 1 tbsp.
• Tobacco dust - 250 g
• Warm water - 3 l

Insist the mixture for 2 days, then dilute the resulting tincture of 10 liters of water and pour vegetables.

What fertilizers to feed onions so that it does not yellow: a list, recipe for applying

An important stage in the cultivation of onions, in addition to irrigation and proper care, is the timely top dressing of the plant. To obtain a lush and rich harvest, the soil should be rich in mineral and useful trace elements, over time, the soil loses its beneficial substances, which is why you need to use top dressing of different types and adhere to crop rotation rules.

Luke loves loose soil very much and needs phosphorus, nitrogen and potassium top dressing. You can use both organic and mineral elements, because The bow is unpretentious. And you need to prepare the soil for the next planting in the fall, after they have harvested.

In the first two weeks for onions, a very important nitrogen, so the first bait should take place during this period. To enrich nitrogen soil is suitable for urea or ammonium nitrate. For 1 m² you will need approximately 30 g of fertilizers. A week later, you can carry out phosphorus and potassium top dressing:

• 30 g of superphosphate
• 10 g of chloride potassium
• 10 l of purified water

Also, tincture from wood ash is great: 2 cups of ash per bucket of water. With mineral fertilizers, you need to be neat, because an excess of inorganic substances can accumulate in a bow. It is also better to use both organic and inorganic substances and fertilizers, so the onion will turn out to be rich in nutrients.

Feeding onions with organic substances:

• First top dressing - 10 l 1 cup manure
• Second - for 10 liters of water 2 l of grass
• Third-300 g of wood ash insist for 3 days in 10 l boiling water

What drugs to use from pests and diseases so that the onion does not yellow: a list, recipes for use

Where there are plants there are always various insects that feed on them, and thereby harm the entire harvest. It is much easier to prevent the appearance of diseases and damage to onions than to deal with yellowed feathers.

It is very important to process the site even before landing, and it is also worth making sure that there is high -quality planting material, without damage.

The drugs are divided into 3 groups:

1. Insecticides - help to fight insects and pests
2. Fungicides - with diseases
3. Herbicides - weeds

In order to ensure a magnificent crop, it is necessary to carry out timely top dressing and process the soil. This will protect the plant from exposure to external factors, insect attacks and allow the plant to be more resistant to diseases. For example:

Option No. 1:

1. For 10 liters of water 2 tbsp. Fertilizers "Vegeta", 1 tbsp. urea is the first bait
2. 1 tbsp. Agkola 2 for 10 liters - the second top dressing
3. The third top feed - 2 tbsp. "Efferon-o" for 10 l

Between top dressing 2 weeks.

Option No. 2:

1. The first top dressing is 10 l - 30 g of ammonium nitrate, 50 g of superphosphate and 25 g of potassium
2. For 10 l - 30 g of ammonium nitrate, 70 g of superphosphate and 30 g of potassium
3. 10 l - 40 g of superphosphate and 20 g of potassium chloride

Such methods will allow you to protect the onion as much as possible and get a good harvest as a result. The main thing is to remember that excessive fertilizer, especially using inorganic products, negatively affects the composition of the vegetable.

What folk remedies to use so that the onion does not yellow: the list, recipes for use

Before you run to the store for chemicals, at the first signs of damage to the plant, as well as in order to prevent onion diseases, you can use folk methods. These include:

• Chicken droppings - enriches with nitrogen and nutrients
• Also, the infusion from manure helps with nitrogen deficiency
• Salt solution
• Mullein
• Proper care and watering

It is very important to loosen the earth and water the young onion, and the already matured can not be watered too often, it will grow old over time and begin to dry, but so that this does not happen before you need to water rarely, but abundantly. It is worth remembering that when moisture exceeds the bulb, the bulb begins to rot.

Proven combinations of top dressing from natural products:

1. Dilute mullein and bird droppings with water (1: 5), and 100 ml of the resulting mixture dilute from 10 liters of water
2. Grassing tincture: 300 g of dry herbs per 1 l of boiling water. Insist a week. This infusion dissolve in 9 liters of water
3. Wood ash - 300 g pour 10 liters of boiling water and let it brew for 3 days

How to use ammonia so that the onion does not yellow: recipe

Facular alcohol is an excellent tool for disinfecting and fertilizer of the soil. This is one of the main sources of nitrogen, which is necessary for the full growth and development of onions. In addition to nitrogen content, ammonia has a fairly strong aroma that perfectly scares off pests and insects.

• For the soil, ammonia solution is also useful, because Reduces acidity, thereby improving the structure. If the ends of the pen are yellow, you need to dilute 60 ml of alcohol in 10 liters of bucket. This is used if the shortage of nitrogen in the ground is detected. If the cause of the damage is a long-haired beetle, you need to dilute 50 ml per bucket of water.
• With ammonia, you need to be neat, because it not only fights with pests, but also saturates the soil with nitrogen, the overabundance of which directly affects the fruits. The leaves become rude, have a rich green color. Not only the structure changes, but also the taste of the product.

That is why it is very important to find out a source that provokes yellowness, and only then use this tool. Depending on the cause of the onion damage, the ratio of water and alcohol changes.

How to use iodine so that the onion does not yellow: recipe

Iodine is a well -known antiseptic that is used for injuries and cuts. But also how fertilizer iodine is considerable.

• Iodine is simply necessary for the normal life of a person, is responsible for metabolism and growth. Plants also need iodine, because it affects productivity, enriches the vegetables with vitamin C, affects taste, color and aroma.
• Medical iodine 5%is suitable for fertilizer. It strengthens the “immunity” of plants, but it needs to be used very little, because iodine refers to toxic substances.
• Fertilize the onion with iodine solution in three stages with the same intervals. To do this, dissolve 1 drop of iodine 5% with 3 l of water. If the plants are weak or damaged, you can increase the amount of iodine to 3 drops per 3 l of water.

A solution of iodine is carried out both root top dressing and foliar. Iodine helps to cope with various fungal diseases, which is often found among all types of onions.

How to use yeast so that the onion does not yellow: recipe

Ordinary bakery yeast is rich in nutrients, iron and various trace elements. Therefore, it is great for fertilizing onions and other plants. Traditionally, 1 kg of yeast in 5 liters of water is diluted for top dressing, and then in a ratio of 1:10 with water.

A feature of this method is that yeast works only in warmth, that is, it is impossible to introduce the solution into unheated soil. If you use dry yeast, then you need to adhere to such a proportion: 10 g of yeast per 10 liters of warm water, add 2 tbsp. Sugars and let it brew for 3-4 hours, and then dilute with water in a ratio of 1: 5 and can be watered. Such watering affects precisely the development and growth of onion pen.

Another effective recipe:

• 100 g of dry yeast
• 0.5 cups of sugar
• 3 l of water

Stir and cover with gauze, leave for 7 days. 1 cup of such a mixture is diluted in 10 liters of water and watered before dinner. You should not get involved in yeast procedures, in one season, bait should be carried out no more than 3 times.

How to use salt so that the onion does not yellow: recipe

Salt solution is used for onion if it rot. The salt mixture helps to disinfect the plant and soil, scares away various insects and pests.

• With the first signs of yellowing, you need to dilute 200 g of sodium salt into a bucket of water. Especially this tool helps to combat the onion fly. The main thing needs to be carefully ensured that the salt does not fall on the stalks of plants, this can damage them and lead to death. That is, saline is watered only under the root.
• Salt solution is watered no more than 3 times per season, for preventive purposes. And you need to start in the early spring, until the snow had time to completely melt.
• Processing must be performed in the evening, almost before the sunset.
• Also, it is worth remembering that watering on the onion needs to be with saline no more than 1 time in 3 weeks.

If you carry out processing in order to destroy pests, then the first time you need to dilute 200 g of salt into a bucket, but if it did not help to completely get rid of the insect, the amount of salt should be increased to 450 g. The excess of salt in the soil will negatively affect the fruits, and this does not concern Only onions. The fact is that salt contains sodium and chlorine, which in large quantities inhibit the growth and development of the plant. And also, stimulate leaching of nutrients from the product.

Why onions gives the arrow and turn yellow quickly: causes, treatment

The arrow is a peduncle on which seeds are formed after flowering. It is necessary for reproduction, while dangerous for those varieties that need a bulb during planting. Onions can let the arrow in such cases:

• The size of the landing bulb is more than 3 cm
• Sudden temperature changes or increased soil humidity
• If the soil has not yet warmed up when landing.

To avoid the appearance of arrows, you need to adhere to such rules:

1. Choose the right landing material. The bulb is less than 1 cm in diameter, it is less likely to let the arrows. Very large - almost always.
2. Do not plant onions when the soil is still cold, it is not recommended to do this before April 25
3. 2-3 weeks before planting, put the bulbs on a wooden surface and on the battery
4. Small planting material is stored in a cold way. Which provides for the storage of a vegetable at a temperature of 1-3 ° C below zero.

If the bulb let the arrow, then it should be cut under the very base. You should not be upset about such shooters, because this product is ideal for conservation and marinades.

The onion turns yellow, rots from rains and excess moisture: what to do to save onions?

The reasons why the onion can rot quite a lot, for example, high soil moisture, entering a bulb of various pests, for example, a stem nematode or a root tick.

If you fight the rotten pests with various special solutions and fertilizers, then it is more difficult to resist weather conditions. It is very important to follow the decay of onions, it is better to immediately dispose of the infected vegetable, because This threatens the death of the whole crop. Generation bacteria can spread to other fruits.

Of course, it is better to grow a plant in a greenhouse, it will be easier to regulate temperature changes, timely watering, etc. If this is not possible, then you need to plant onions in shallow trenches, covered with a small amount of sand. Especially if planting the plant is performed in clay soil, which holds moisture for the long time.

During heavy rains, sand will perform the function of drainage and release water deeper. It is worth abandoning the morning watering of onions, especially when abundant dew is observed.

What to do if the tops of the bar are yellowed, the ends of the pen?

The yellowing of the ends of the onion pen indicates that measures need to be taken immediately, and save the rest of the crop. Before starting to fertilize and conduct rescue procedures, it is worth finding out the true cause of damage to the plant.

The main of them is a shortage of nitrogen, pest intervention, lack of water, change in weather conditions. Of course, if the plant is already aging, then the yellowness is a normal process.

Depending on the cause, various treatment for onions is prescribed, but first you can feed the plants, because in most cases the problem is that the plant simply does not have enough nutrients from the soil. To do this, you can use the following fertilizers:

• Manure
• Chicken droppings
• Solution from ammonia
• A comprehensive set of fertilizers using phosphorus or potassium fertilizers.
• Salt solution is especially popular, which not only fuel the soil, but also destroys pests.

Despite the fact that onions are unpretentious in growing, do not forget about the rules for storage, landing, proper watering and preventive top dressing, otherwise the crop may not please you.

Video: Why does the onion turn yellow?