Seedlings of cabbage color, white-collar: diseases and their treatment. Why do sprouts of cabbage die, than to process cabbage seedlings from pests and diseases?

What causes cabbage seedlings? How can you fight diseases and pests of cabbage seedlings? How to save the amazed cabbage seedlings?

Contents

What if the cabbage seedlings are a black leg?
Why do virgin leaves have cabbage seedlings?
Sprouts and white spots appeared on cabbage seedlings: what to do?
Cabbage seedlings wilt: what to do
Why does cabbage seedling turn yellow and dry up?
Why cabbage seedlings do not grow?
Why do leaves sprout in cabbage seedlings?
The sprouts of cabbage were stretched, it turned out: what to do?
How to plant overgrown cabbage seedlings?
Is the cabbage seedling afraid of frosts?
Cabbage seedlings froze: what should I do?
Aphids on cabbage seedlings: how to fight?
Than to process cabbage seedlings from diseases and pests?
Diseases and pests of cabbage seedlings: Video

To grow sprouts of cabbage and not encounter with a number of problems, diseases and pests - it is practically impossible. This demanding culture brings enormous hassle to the horticulturists. But, knowing full information about care and treatment of cabbage seedlings, you can avoid many difficulties and correct most of the mistakes.

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What if the black spade is on cabbage seedlings?

First you need to find out what this "black leg" is. A similar disease is a fungal infection affecting the rhizomes and stem of a plant. Its main feature is the blackening of the root of the seedling, the thinning of the stem, and then its complete drying. In addition to black spots, on the root neck of a diseased plant you can see pimply formations or outgrowths.

The following conditions are attractive for the black leg, as for other fungi:

increased humidity
warm medium( ground)
acidity of the earth
thick plantings of seedlings
no air flow between the plants

In other words, to avoid the appearance and development of the black leg, the following preventive actions should be carried out:

watering
as required, adhere to generally accepted seedling planting standards( seed separation)
to carry out airing in the room with seedlings
to check the pH of the ground
to disinfect the soil before planting seedlings
to process and temper the cabbage seeds before planting

If the black leg already hit the seedlings, then there are several ways to combat it:

try to save the sick plant by separatingfrom the healthy part of the affected( cut must be green, and not black) and rooting it in the ground
remove the sick seedling from the common box along with the clod of earth
to drain healthy plants in anotherth box, and the affected area should be thrown out
to treat healthy shoots in a common box with a solution of manganese, Bordeaux liquid or copper sulfate
to cover the top layer of soil above the black layer of river sand, activated carbon or ash
, acidify the soil with a solution of soda( 1hl.soda food at 1 st.water)
seedlings transplanted into the open ground and infected with a black foot can be fertilized with manure or chicken droppings

Why do cabbage seedlings have violet leaves?

Experienced gardener explain the appearance of violet leaves on cabbage seedlings with two conditions:

lack of useful trace elements, in particular nitrogen and phosphorus
plant stress( picking, landing in open ground, lack or excess moisture, low temperatureindoors)

In the first case, seedlings can be helped by banal top dressing with missing substances. It is worth noting that fertilize the plant in moderation.
In the second situation, it is desirable first to find out what caused the stress, and then take action:

If the seedlings are cold, then it needs to provide comfortable temperature conditions
If there are problems with watering, then they need to solve
If the plant suffers from a change of scenery,then you can just give him time to acclimatize the

. Cabbage seedlings have holes and white spots: what to do?

There are a number of diseases that can cause the appearance of white spots and holes on cabbage seedlings:

Powdery mildew
Peronosporosis or downy mildew
Lack of nitrogen
Crested color fleece

Powdery mildew is not considered too serious a disease, especially if it appears on an adult plant. The best preventive maintenance of disease is observance of rules of a crop rotation and struggle against weeds. However, this ailment is able to reduce the crop yield, so it is desirable to treat diseased seedlings with some drug from flour dew. Most often, Phytosporin is used for these purposes( it is applied no more often than once every 2-3 weeks).

Peronosporosis, as well as powdery mildew, is dangerous only for young plants. To prevent its appearance can be through the organization of comfortable for seedlings conditions, disinfection of soil and seeds before planting. To overcome the same disease is possible with the help of industrial products, such as Topaz, or a solution of liquid soap and copper sulfate( 1 st.l of these funds per 10 liters of water).

The third problem is easily solved by adding organic or mineral nitrogen fertilizers to the ground.

A cruciferous flea, like no other, is capable of riddling cabbage seedlings in a matter of days. Prevent the attack of this insect with the help of autumn and spring treatment of the soil before planting seedlings in it, and also by disinfecting the seeds of cabbage. Many gardeners practice planting around their beds such plants as coriander, dill or nightshade. These cultures produce a smell that is unpleasant to insects. If the flea still penetrated the territory of planting cabbage, then it must be dealt with more radical methods: chemical preparations, infusion of ash or a solution of copper sulfate.

Will cabbage seedlings: what to do

Causes of withering cabbage seedlings can be banal violations of rules and procedures for planting seedlings. In addition, novice truck farmers make a lot of mistakes during the care of the first shoots - either they are flooded too much, or, on the contrary, they do not water enough. Another common mistake may be a violation of the temperature or humidity level in the room, where there are boxes with seedlings.
Well, the most obvious and common reason for concern about the withering sprouts of cabbage is the attack of pests. With each of them you need to fight accordingly.
It should also be said that experienced truck farmers prefer not to grow seedlings of this crop at home, but to plant it immediately in a greenhouse or a greenhouse.

Why does cabbage seedling turn yellow and dry up?

Yellowing of cabbage seedlings after transplanting into open ground is a normal and common phenomenon. Especially do not worry if you only turned yellow, cotyledonous leaves. Such a plant reaction to a transplant is considered normal.
Cabbage seedlings can also become yellow due to insufficient or excessive watering.
To paint its leaves in yellow can be a very scorching sun, or, conversely, landing in a shady section of the garden.
An additional fertilizing of seedlings with complex mineral fertilizers can become a way out of this situation.

Why cabbage seedlings are not growing?

The cause of this phenomenon may be mass:

Strong embedment of cabbage seeds in the ground when planting
Insufficient or, conversely, enhanced watering
Non-compliance with temperature conditions
Insufficient humidity in the room with seedlings
No fresh air in the room or, on the contrary, strong drafts
Violation of the seed or soil treatment procedure before planting
Attack of pests

Why do cabbage sprouts twist leaves?

There are a number of factors that provoke the process of leaf twisting on cabbage seedlings:

A disadvantage or excess of nutrients in the ground( did not feed or overfeed the soil)
A burn caused by sprinkling seedlings of various kinds with chemicals as a fertilizer or treatmentpests
Insufficient or infrequent watering
Attack of the butterfly whitefly
Defeat of the leaves of the plant cabbage aphid

Cabbage seedlings grew out, grew: what mattersIs it?

If cabbage seedlings for some reason stretched even before picking, then it must be immediately placed on individual containers.
In the process of such a transplant, it is advisable to pinch the root of the seedlings, by slamming it down to the cotyledon leaves.
After picking up the seedlings it is desirable to put it in a cool place( from +10 to +13 degrees) for 7-10 days and provide it with decent twelve-hour lighting.
If the seedlings are stretched after the picks, you can try to cut off the top of it or treat it with special preparations that slow the growth process.

How to plant overgrown cabbage seedlings?

Experienced gardeners recommend overgrown seedlings, on the eve of its landing in the open ground, do not water, at least a week.
Moisten the soil in such a seedling can only be a couple of hours before the transplant.
Overgrown seedlings must also be closed, cutting off the two lower leaves.

Is the cabbage seedling afraid of frosts?

Any plant, especially when in seedling stage, is afraid of low temperatures. Cabbage is no exception in this case.
Seedlings of this culture are best planted in the open ground after the probability of night frosts will be reduced to a minimum.
If such a risk is still present, then the plant should be prepared for this in advance.
Even when planting seeds, they need to be hardened.
It is also desirable to temper already sprouted sprouts.
Prepared seedlings are capable of withstanding frosts up to -4-5 degrees.

Cabbage seedlings were frozen: what to do?

The frozen seedlings of cabbage can be treated with special chemical preparations.
This kind of aids will help the seedlings cope with the misfortune that has happened to it.
Some gardeners recommend watering such plants with cold water( ideally thawed) with water.

Aphids on cabbage seedlings: how to fight?

Cabbage aphid is a small pest that detects its presence in cabbage white, and then a brown coating on the leaves of its seedling.
Tlju, like any other pest, is easier to prevent than to overcome.
Prevention against cabbage aphids is the correct planting and care of cabbage seedlings.
Many gardeners plant next to the cabbage beds fragrant marigolds, dill, parsley, rosemary, mint, etc. The smell of flowering of these plants scares off many insects and other pests.
Folk remedies for combating cabbage aphids are infusion of tomato leaves, tobacco dust or wood ash, and also a soap solution.
Anabazine-sulfate is well-proven from chemical preparations, the solution of which is treated with seedlings.

Than to process cabbage seedlings from diseases and pests?

On the shelves of specialized stores there are dozens, if not hundreds, of chemicals that help to get rid of various cabbage ailments or pests. However, many gardeners still prefer to use only natural preparations or substances that help to deal with these problems. Thus, you can be sure that the pesticide will not get inside the cabbage head, and the vegetable will be absolutely safe for the human body.

Here are the most popular and proven folk methods of processing cabbage seedlings from diseases and pests:

Fighting with cruciferous flea can be by spraying seedlings with a solution of vinegar, chicken manure or celandine, pollination sifted with wood ash and tobacco dust or hydrated lime.
Get rid of cabbage aphids will help: wiping leaves with soap, spraying with iodine solution with milk, ashes with soap or infusion of tomato, potato leaves.
Cabbage whiting is afraid of spraying with a solution of ash and soap, with burdock, onions, garlic or weeds.
Fighting with cabbage moth can be done by pollination of seedlings with wood ash.
Cabbage fly can be exhumed from the garden by sprinkling cabbage with salt solution and sprinkling of soil with wood ash, naphthalene with sand, tobacco dust, and also by spraying seedlings with extract of coniferous plants or infusion of celery stalks.
Only by methods of prevention you can fight with cabbage weevil - no other substances this insect is not afraid.
To scare off slugs and snails can be a mustard powder, infusions of garlic or onions, and also a solution of ammonia.
For such large pests, it is still possible to equip booby traps-a dug-in container with roaming yeast, kvass or juice.

We hope that our article will help to protect your cabbage seedlings from numerous problems. Good seedlings and harvest!