White small butterflies on a radish. How to process a radish from a flea with folk remedies. Video: ways to deal with slugs

Radishes grow well in middle lane. Gardeners harvest several crops per season, using several varieties. And although the plant has not so many pests, you should not lose vigilance and fight them.

The best radishes are early varieties. Seeds are planted in the soil until the spores of fungi and larvae are activated, so the fruits form and ripen without much difficulty. It is more difficult for vegetables of medium and late ripening, the growing season of which coincides with the intensive reproduction of harmful microorganisms and insects. They literally attack young shoots, wanting to drink all its juices.

Insects often attack weak shoots, so you should not ignore the introduction of fertilizers and dressings. Adequate nutrition strengthens the immunity of the plant, which means that the chances of catching a disease or infesting the beds with insects are significantly reduced.


damaged radish leaves

The likelihood of flea attacks is reduced if feeding is timely introduced into the garden from slurry. No less effective is the processing of their powder, which is made from wood ash and tobacco dust in equal proportions. It is necessary to carry out the procedures 1 time in 5-7 days.


Cruciferous flea on radish leaves

Butterfly white color poses a danger to radishes in that it lays its eggs directly on the soil. The emerging caterpillars easily move to the leaves and eat them.

To protect radishes from whites, you need to spray with a solution of mustard (2 tablespoons), ground black pepper (1 teaspoon) and table salt (2 tablespoons) per bucket of water.

Small black bugs with bright orange stripes suck the juice out of the radish, causing the young shoot to dry out.

You can protect the garden from the pest if you spray it with an infusion of dope or henbane. The preparation of the working solution involves the infusion of 500 grams of leaves in a bucket of water for 12 hours. To keep the composition longer on the tops, it is recommended to add 2-3 tablespoons of chopped laundry soap.

Belyanka Cruciferous bug

In the second half of May - early June, the female rapeseed sawfly lays eggs. When choosing a place, preference is given to radish, located on the underside of the leaf. Already after 6-10 days, very voracious caterpillars appear from the eggs, which can make many holes in the tops of the plant and thereby kill it.

To protect the plant from this pest, you need to treat it with a special infusion of black henbane. For 500 grams of dry leaves, take 2 liters of water, you need to insist for at least 12 hours, after which the liquid is filtered through a sieve. The resulting infusion is diluted with 8 liters of water, grated soap is added and the beds are treated.

Prevent insect infestation preventive actions, which include autumn cleaning of the site and digging the soil.

Babanukha Rape sawfly

A small bug (body length no more than 2.5 mm) is black with a blue tint, perfectly tolerates frost in plant debris. In spring, it becomes active, laying eggs in unopened buds.

Among the important measures to protect radishes from pest damage:

  • compliance with crop rotation;
  • thorough autumn cleaning;
  • introduction of fertilizers into the soil;
  • selection quality seeds for landing;
  • the introduction of top dressing to strengthen the immunity of plants;
  • spraying with karbofos;
  • treatment of beds with biological products (Dendrobacillin, Lepidocid, etc.).

Cabbage moth on a radish leaf

Young shoots attract insects. To protect them from the invasion of uninvited guests, it is recommended to carry out preventive measures. Among the effective methods:

  • dusting plants with a powder mixture of naphthalene and road dust (1: 1);
  • spraying powder from wood ash, slaked lime and tobacco dust on the beds (all components are taken in equal proportions);
  • morning spraying with a solution of wood ash (for 3 liters of water, a liter jar of ash and 2-3 tablespoons of crushed laundry soap);
  • spraying seedlings with vinegar solution (1 cup of 9% vinegar per bucket of water);
  • spraying plants with a decoction of green wormwood.

It is clear that one processing is not enough, therefore experienced gardeners practice weekly procedures that are repeated for 1.5 months.

When choosing neighboring plants, it is worth considering the option of planting marigolds, nasturtium, fennel, mustard and other repellents.

After each season, a thorough cleaning of plant residues should be carried out. It is in them that most of the pests hibernate. Closer to frost, the bed needs to be dug up so that the larvae and adults freeze out.

Gardeners are well aware of how difficult it is to achieve big harvest in the beds, if you do not fight pests. Even the smallest insects can cause enormous damage to vegetable crops.

This bug got its name from taste preferences- she loves cruciferous plants very much. IN field conditions the flea feasts on weeds (colza, yarutka, shepherd's purse), and in the gardens it eats turnips, turnips, and radishes.

Gardeners without experience sometimes don’t even pay attention to a small insect jumping like a flea (hence I got my little name). It would seem that such a trifle can not cause much trouble. But if measures are not taken in time, the flea is able to destroy plants in the beds in a matter of days.

These bugs are hardly noticeable due to their size (no more than 3 mm) and often merge with the ground. Cruciferous fleas are black in color, but some insect species have yellow stripes on their backs.

As for the radish, the planting of this crop falls just on the active period in the life of the flea. It is in May that insect larvae crawl along the beds in search of food. AND a young radish for them will be a real find.

Transforming then into an imago, the insect eats the tops. The flea eats the tender leaves of the radish to holes, as a result of which they dry out. In the same place, on the leaves, beetles lay yellowish eggs.

Usually, cruciferous flea is fought with the help of purchased chemicals (Aktellik, Bankol, Karate, etc.). But since radish refers to early ripening culture, chemical substances should not be applied(so that the vegetable is not saturated with them). But great solution problems can become folk remedies.

Folk tricks

How to get rid of cruciferous flea on radishes without using chemicals? Here are our tips for you:

  • The fight against a flea should begin almost immediately, as the radish was sown in the garden. The soil is sprinkled with a "pillow" of wood ash and tobacco dust. This will not only protect the radishes, but also fertilize the soil.
  • When the tops hatch out, it can also be sprinkled with ash and dust (even an ordinary street one will do). This preventive measure should be applied at least once a week. And as an option - ground black pepper or slaked lime.
  • Spraying gives good results.. But they are already used when a flea is found on a culture. You can dilute a bottle of vinegar (or 2 tablespoons of essence) in a bucket of water, or prepare a decoction from tomato tops, collected as a result of pinching the bushes. Laundry soap (0.5 pieces) is also rubbed here.
  • Folk craftsmen came up with original traps different configuration. The simplest of them is a canopy over the garden. The underside of the tent is smeared with any sticky compound (for example, tar). In a few days it will be possible to harvest the "harvest" of insects.

Preventive remedies

  • To make it easier to deal with the cruciferous fly, you can secure the beds in advance from its invasion:
  • radishes should be planted next to tomatoes - nightshade smell repels insects;
  • for the same reason, tansy or celandine can be planted along the perimeter of the garden;
  • you can also make a distracting maneuver by planting a weed that is beloved by a flea next to a radish;
  • reschedule planting dates for an earlier time (immediately after the snow melts);
  • choose moist places for sowing radishes.

For those who do not want to "bother" with finding out relationships with pests, you can use the method of growing crops in greenhouses. But the ubiquitous insect is able to get there.

Although radishes do not have many pests, and their ripening period is so short that they do not really have time to harm, nevertheless, sometimes the crop is spoiled. To prevent this from happening again, you need to know how to protect and how to spray radishes from pests. We'll talk about this.

How to deal with radish pests?

main pest radish - cruciferous flea. This tiny, dark-colored beetle jumps deftly and, despite its miniature size, can cause significant negative results for radishes. Fleas eat the leaves of the plant, leaving holes in them. And when they reach a certain size, the radish stops growing.

Naturally, the root crop does not ripen and sometimes even dies. It is necessary to pay attention to this pest already at the germination stage, since young plants are not able to resist the pest invasion for a long time. Cruciferous fleas are especially active in dry and hot weather.

So, how to process radishes from these small pests:

  1. You can spray the radish leaves with a solution of wood ash (2 cups of fresh ash per bucket of water with the addition of 50 g of laundry soap).
  2. You can not dilute the ash in water, but simply sprinkle it on the garden bed so that it gets on the leaves. The same can be done with tobacco dust.
  3. For greater efficiency, young shoots can be treated with the Inta-Vir insecticide. Spraying neighboring cultivated plants will not interfere either. However, this should be done only as a last resort, since there is a risk of destruction of crops.

Tip: after processing the radish, it should be watered very carefully, best of all - in a drip way, so as not to wash off the applied control agents from the leaves.

Another enemy of the radish is the whitefish, or rather its larvae. It's best to fight her chemicals. For example, treat the beds with a solution mustard powder, salt and ground pepper.

To prepare the solution, you need to take 2 tablespoons of mustard powder and salt and 1 teaspoon of red or black ground pepper. Dilute this mixture in 10 liters of water and water the radish bed.

In addition to the fight against radish pests, it is also necessary to carry out preventive work - remove weeds on time, observe the correct crop rotation, do not be late with sowing seeds, on early stages apply light covering material, water in a timely manner, loosen the plants to accelerate their growth.

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Pests and diseases of radish and their control

Although radishes do not have as many pests and diseases as, for example, tomatoes, they do exist and can destroy most of the crop. This article is an addition to great material about growing radishes.

It helps in the fight against diseases the observance of crop rotation on personal plot. Since radish is an early crop (harvest can be obtained in about 1 month), there is a temptation to return to the same bed with re-sowing after some time in the same season. Doing so is highly undesirable. Because it can lead to outbreaks various diseases. It is also highly undesirable to plant radishes after cabbage or other cruciferous plants. Good predecessors are onions, garlic, peas, beans, potatoes, tomatoes, cucumbers, zucchini, zucchini.

Pests

The main scourge of radishes is cruciferous fleas - small bugs, usually dark in color, jump well from place to place. They damage radish leaves (make holes in them). And if the damage to the leaf apparatus of the plant reaches a critical size, then the plant abruptly stops growing and may die. At the same time, the root crop does not ripen and does not grow to the desired size. Radish seedlings should be especially protected from fleas. Otherwise, crops can be completely destroyed (eaten). mature plant can still tolerate fleas to some extent. Fleas are especially rampant in dry, hot weather. Early crops of radishes can generally produce a crop before the mass appearance of cruciferous fleas.

The fight against the flea should be carried out by biological methods. The first method is spraying on the leaves with a solution of wood ash. The solution is prepared as follows: about 2 cups of preferably fresh ash and 50 grams of laundry soap are added to a 10-liter bucket of water. Everything is mixed up. Some make it easier. They collect ashes on a shovel and crush them over the garden. For a while, the flea restricts its malicious activity.

The second way is the same. Only instead of ash they take tobacco dust. It should be said right away that tobacco dust still needs to be looked for in stores, and it costs, although not expensive, but still worth it. And the ash is usually its own, free.

All these methods are still not effective enough. The most effective is insecticide treatment, such as Inta-Vir. But this should be done only as a last resort, only for medium-sized radishes (ripening time 25 days) and only for young seedlings, if the threat of destruction of crops is large enough. Another exotic (mechanical) way to deal with the cruciferous flea is to cover the radish with white agrospan right on the seedlings. If the weather is not too hot, then the shoots under it do not stretch out and there are no fleas there. After the seedlings have grown stronger, we remove the non-woven covering material and fight further with ash.

Important note. It is desirable to transfer radishes to drip irrigation. Otherwise, all efforts to combat the flea with the help of infusion on the ashes will be in vain after the first watering on top of the leaves. The infusion is washed off the leaves, and the flea gets back to work. Another note. If cultivated plants and weeds of the cruciferous family grow next to radishes, then all the surroundings can be treated with chemistry.

Belyanka is another radish pest. Belyanka is white butterfly with dark wing edging. But the leaves of the radish are eaten by its caterpillars. When fighting the whitefish, it is also desirable to do without the use of chemicals. The beds must be treated with a solution of mustard, salt and ground pepper. It is prepared like this: for a 10-liter bucket of water - 2 tablespoons of mustard, 2 tablespoons of salt and 1 teaspoon of red or black pepper.

Radish diseases

Bacteriosis. Root crops become slimy, begin to emit a smell of rot. At the same time, the leaves of the radish turn yellow. To combat this disease, the plants are treated with 1% Bordeaux liquid.

Keela. Blisters and outgrowths appear on the surface of root crops, radish leaves begin to turn yellow and wither. To combat this fungal disease, the soil around damaged plants is watered with milk of lime. Prepare it like this: in a 10-liter bucket of water, dissolve 2 cups of fluffy lime. One plant must be watered with 1 liter of solution.

Blackleg. Young radish plants can be affected by blackleg. The leaves curl and turn yellow, blackening appears on the base of the plant stem. To combat the black leg, prepare the following solution: dissolve 1 tablespoon in a 10-liter bucket of water blue vitriol and 40-50 grams of laundry soap shavings. Then the diseased plants are sprayed.

It is also very good to spray seedlings with tincture of onion peel(approximately 20 g per liter, leave for 1 day).

When choosing varieties of radish for planting, preference should be given to resistant varieties to various diseases. But once again we can repeat that it is better to take preventive measures. And then the probability of diseases will decrease sharply.

sadimvmeste.ru

Radish pests: main types and methods of control

In our latitudes, a variety of pests are common, causing a lot of trouble for summer residents. Let's look at those that are most often found in Russian gardens.

Cabbage whites and their caterpillars. adult insect- This is a large white butterfly with a characteristic black border around the edges of the wings. Caterpillars have a greenish-yellow color, with black spots. At first, pests live on the underside of the leaves, gradually spreading to neighboring plants.

Cruciferous flea. This insect represents serious danger for seedlings of radishes, feeding on their leaves, making many holes in them.

The cabbage moth is a gray-brown pest with a characteristic dark fringe on its wings. Insect larvae are especially dangerous for radishes.

Cabbage fly (spring). An ash gray fly that poses a threat to radishes in the larval stage. Each larva looks like a small whitish worm, reaching a length of 8 mm. Actively developing larvae damage the root of the plant, which quickly dies as a result of their vital activity.

The summer cabbage fly differs from the spring one in an exceptionally more impressive size. Otherwise, these pests are almost identical in terms of their severity.

Garden owl. This moth, being an adult, is not dangerous for radish seedlings. The main threat is not adult insects, but their larvae. Pests feed on young radish foliage, gradually eating them from the underside and leaving only a thin skeleton. And we all know that with a critical decrease in the deciduous apparatus, the plant stops developing.

Stem nematode. Both adult pests and their larvae feed on plant sap, gradually leading to its drying out and death.

Wireworm. This enemy is able to eat almost the entire radish sprout. He likes all, without exception, parts of the plant: from the root or root crop to young greenery.

The cabbage scoop is another butterfly that is also dangerous in the larval stage. Adult butterflies of a gray-brown color, as well as garden scoops, do not pose a danger to the beds, unlike their larvae, which live by eating leaves. vegetable crops.

Pest Control Methods

Of course, the list of pests waiting for the first shoots in your beds inspires a number of fears, if not to say - inspires despair. But do not get upset ahead of time: modern Agriculture and agricultural technology have a number of tools that can, if not completely eradicate the problem of insects in the garden, then greatly facilitate the process of dealing with them.

Despite the daunting list possible pests, as well as possible negative results of the life of such insects, the fight against them, as a rule, occurs using the same means.

Most threats recede if you use a magical, proven remedy in the garden, consisting of two glasses of wood ash, 50 grams of laundry soap and 10 liters of water. Such a drug is considered especially effective if there is a fight against cruciferous flea.

good results allows you to achieve regular dusting of seedlings with wood ash or tobacco dust (the method is especially effective if you resort to it immediately after watering or rain).

Mustard-pepper infusion has also proven itself well: in 10 liters of water you need to add 1 teaspoon of ground pepper (red or black) and 2 tablespoons of table salt and mustard powder. Such a tool is mainly used to lime the white caterpillar.

There is one more, several non-standard way control of insects, in particular fleas: this is the so-called sticky trap. As the main means, a thick sheet of cardboard or paper is used, richly greased with starch paste. Armed with such a device, you need to go around the entire bed, holding a sheet of paper (greased side down) close to the surface of the soil. Insects bounce and remain on paper, bogged down in a sticky paste. For several walks along the beds in this way, you can organize the treatment of plantings and get rid of almost all fleas.

Of course, besides insects, there are other dangers that lie in wait for your beds, for example, radish diseases. But this is a completely different story, which we will discuss in detail in the next article.

Video "How to deal with cruciferous flea"

plodovie.ru

How to deal with radish pests

Hello dear readers!

We have already met with pests of cruciferous crops (which family includes radishes) and measures to combat them in the article "Pests of cabbage and measures to combat them." The “portraits” of these pests are described in detail in this article, but the protection of the radish and its other close relatives (turnip, radish, daikon, rutabaga, turnip) should be told separately from them, since this culture is very early ripening and pest control methods specific ones should be used. Precocity dictates the use of only means that are safe for human health to control radish pests. Usage chemicals plant protection should be excluded when growing it.

First, I will list the main radish pests that most annoy this early ripening crop and us gardeners: cruciferous fleas, cabbage aphids, cabbage fly and slugs.

Radishes are cold-resistant and winter or the earliest spring timeline planting it will help us to grow the crop before the main radish pests appear. Advance preparation of the soil for growing radishes, its autumn digging with the turnover of the reservoir will ensure the partial death of pests from the cold. Keeping radish beds moist and weed free is an effective preventative measure. Growing radishes on fertile, humus-rich soil, timely top dressing, not exceeding the recommended norms organic fertilizers, strict adherence to cultivation technology will ensure the rapid growth of plants and thus avoid damage by pests in the early stages.

First, carefully inspect the surroundings of the garden with radishes, whether wild radish, colza and other cruciferous weeds grow nearby, on which cruciferous fleas settle first, and with the advent of radish seedlings, they move to them. Removing these weeds from the garden will greatly reduce the number of cruciferous flea.

You can use the recommendations common on the network and block access to the pest by covering the bed with a covering nonwoven fabric. But cruciferous fleas overwinter in the soil and this method can only reduce the number of the pest. For these purposes, it is better to use the thinnest covering material, grade 17. Thicker grades of covering material can cause overheating of plants in warm weather and contribute to the growth of the vegetative mass of leaves to the detriment of root formation.

For dusting plants after rains or watering with sifted ash, a gauze bag is suitable, after filling it, shake it over the plants. You can carry out such dusting early in the morning, until the dew has dried.

The use of self-made sticky traps to exterminate cruciferous fleas has proven itself well. Take a thick sheet of cardboard, spread with starch or flour paste. At noon, when the fleas are very active, walk along the bed, holding the spread sheets with glue down. Cruciferous fleas, constantly bouncing, are sure to stick to such a trap. So in a few passes you can clean the entire garden, and in order to consolidate the achieved result, walking with such glue traps must be repeated 5-6 days later.

Measures to combat the cabbage fly

Since most gardeners grow radishes in spring period, the danger is the spring cabbage fly, flying out during the cherry blossom period. In the fight against this pest of radishes, it is important to strictly observe the requirements of crop rotation and grow radishes in the most early dates.

If there are signs of cabbage fly on plants, tobacco dust should be poured close to the stems, mixing it with ash or slaked lime.


A smooth, bright marketable radish causes joy and pride in the work done on the site. But a tasty root crop is liked not only by people, but also by insects, so it is not always possible to get a beautiful harvest. There are many pests that can spoil the radish, destroy its tops or pulp. If you do not fight them, they will quickly spread, filling the site. The article will describe radish pests and methods of dealing with them.

Signs of pests on radishes

Pests on radishes are even easier to notice than diseases, because they are visible to the naked eye, and if we are talking about underground pests, then it will help to decide appearance tops or dug out root crop. There are several main signs of the appearance of pests:

  • leaf ulcers;
  • twisted, yellow leaves;
  • black formations on the basis of sheets;
  • for no reason sluggish, drooping tops;
  • leaflets in holes that could not have appeared otherwise than from caterpillars and other pests;
  • holes, tunnels are visible on the radish itself.

In particular, vigilantly need to monitor the young shoots of radishes. They are very vulnerable and if pests attack them, you can lose your entire crop!

Usually insects immediately eat the leaves, although underground insects can start from the root or root crop, so you need to be careful. And take action at the first sign.

The main pests of radish

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Radish pests do not appear spontaneously in the garden. Usually they switch to radishes from other crops or from weeds that are available on the site.

  • The cabbage white is a white butterfly with a black border around the edge of the wing. She lays her eggs in areas where radishes grow, and caterpillars hatched from them eat the bases of radish leaves. This leads to the fact that the root crop stops growing and may simply not grow.
  • The cruciferous flea is one of the most dangerous enemies radish. She eats still young radish leaves, chewing holes in them when they first appear. After their invasion, the bed with plantings resembles a sieve.
  • The wireworm is a pest known to any gardener. This is the larva of the click beetle, which can destroy the entire plant - the ground and underground parts in a short time.
  • Cabbage and garden cutworms are gray-brown butterflies, which also leave clutches on radish leaves. The larvae that have emerged from them eat the leaves, while only transparent skeletons remain from the green tops. Of course, root crops in the ground cease to develop completely and dry out or rot.
  • The cabbage moth is a gray-brown insect with a remarkable fringe on its wings. The moth itself is not harmful to the radish, but its larvae suck the juices from the tops and eat the leaf tissue.
  • Spring and summer cabbage fly - an ashy-colored insect (summer is usually larger than spring). Among the plantings of radishes and other vegetables, she lays her eggs, and the white larvae (worms) hatching from them penetrate deep into the earth and eat the roots of the radish. Already in 2-3 days, the radish becomes unusable.

As you can see, there are a lot of pests that threaten radishes. But if you know how to deal with them, you can not worry about the harvest or its quality.

How to deal with radish pests?

When the gardener has recognized a pest encroaching on a plot with radishes, you can begin to exterminate pests. There are many specialized preparations, which very effectively cope with their task, but they must be used exclusively according to the instructions, during that period of cultural development when they cannot harm the crop.

  • « Actellik "- a well-known drug effective against cabbage flies, cabbage whites, scoops. For 10 liters of warm water, 20 ml of the substance is taken, mixed well and used for spraying. This solution is enough for 10 squares of planting.
  • « Entobacterin " - strong, biological preparation from cabbage moth, aphids, cabbage whites. It is used in dry (for dusting) or liquid (for spraying) form. Diluted according to the instructions offered on the package.
  • « Zolon "Used from cabbage whitefish, midges, scoops, aphids, cruciferous flea. The method of use is indicated on the package.
  • « Zemlin "can save the site from cabbage flies, wireworms and other insects that live in the ground. Diluted according to the rules on the package and used immediately. It is impossible to prepare this remedy for the future!
  • « Provotox "- a strong drug against wireworm, not addictive in insects, so it can be used annually. Diluted according to the instructions on the box.

Spraying or watering with insecticides is carried out only in dry weather. If it rains after using the insecticide, it is advisable to repeat the procedure, because the water washes away most of the insecticide.

  • « Aktara "- a universal drug against a variety of pests on cruciferous. It can remove caterpillars, larvae, butterflies, moths, aphids from the site. However, it must be used carefully because it is also harmful to bees. Therefore, it is always used only according to the instructions and only when there are no flowering plants nearby.
  • « Initiative » displays the wireworm, scoop caterpillars, cruciferous flea, fly larvae, cabbage white. One sachet (30 g) is enough for about 15 square meters site. This tool is prepared atypically. It is not diluted with water, but mixed with sand. A ¾ liter jar is filled with sand, and then 30 g of the substance is poured there and mixed. The resulting composition is sprayed over the area.
  • « Bazudin » copes with the invasion of bears, cabbage fly larvae, weevils, wireworms. Must be ¾ filled to use liter jar sand, add 30 g of Bazudin and spray over the area with radishes. This amount is usually enough for 20 square meters of landings.

Folk methods of struggle


In the case when radish pests have just appeared on the plant, you can not immediately use strong, specialized means, but get by folk remedies.

  • Ash soap. In a bucket of water (10 l) dissolve 50 g of laundry soap and 2 cups of wood ash. The resulting composition is well mixed and used for watering radishes. This tool deal with cruciferous flea.
  • Mustard with pepper. If moth, scoop, cabbage white appeared on the radish, you can scare them away with this remedy. In 10 liters of water, a teaspoon of red powder is mixed, hot pepper, 2 tablespoons of salt and the same amount of dry mustard. Plants are watered with the resulting mixture.
  • Tobacco and ash drive away caterpillars, larvae, fleas. One of these means or both you just need to powder the leaves and the ground where the radish grows. This simple procedure will scare away pests.
  • Ash and lime in a 1:1 mixture can drive away a whole horde of cruciferous fleas. But you need to use this tool only in dry weather, and after the rains repeat.

Preventive actions

Each gardener knows what pests live on his site or lived before. In order to prevent their secondary appearance or damage to radishes, it is necessary to carry out preventive measures.

  • It should be clean between the rows - no weeds, fallen leaves, and it is also not recommended to thicken the crops.
  • Preventive crop spraying avoids possible problems. But it is not necessary to use insecticides for this. If there are no pests yet, folk recipes will also be effective.

Interesting!

Insects are especially active during the hot period. And most of all they are attracted to young radishes.

  • Any affected plants are best removed rather than waiting for the culture to recover. While the gardener is waiting, the pest is looking for new ones, delicious treats and switch to them.
  • Rot always attracts pests, so the area should not have any such smells. Old mulch is changed in time, fallen leaves are burned, waste is thrown away.
  • Crop rotation helps to avoid pests. You can’t plant radishes after cruciferous ones!
  • You need to water in moderation. An abundance or lack of moisture can attract insects for which such an environment is comfortable.
  • Many pests like an acidic environment, so you need to control the acidity of the earth and adjust it as needed.

As you can see, everything is not very difficult, the main thing is to take a comprehensive approach to the problem, if it appears. But, in general, subject to preventive measures and a timely response to the appearance of pests, the gardener does not have to worry about the harvest of radishes.

Radish belongs to the plants of the Cruciferous (Cabbage) family, so it has the same diseases and pests as everyone else. horticultural crops this group.

By the way, radishes rarely get sick. Most often, the following diseases of fungal or bacterial origin appear on radishes:

  • bacteriosis - fungal disease, leading to the formation of putrefactive mucus on root crops, yellowing and death of leaves;
  • powdery mildew (white coating on the stems and upper side of the leaves) - a fungal disease leading to blackening and death of the leaves;
  • kila - also a disease of bacterial origin, manifested by growths and swellings on the surface of root crops, leads to yellowing and wilting of leaves;
  • black leg - manifested by yellowing, twisting of the leaves and blackening of the stem at the base.

However the greatest harm culture is caused by harmful insects. About the most dangerous pests let's talk further.

The cruciferous flea is the main enemy of the radish. These are small black bugs that jump in the garden and damage plants. They bite holes in the leaves, and when the damage reaches a critical size, the plant stops its growth and begins to die. Insects are especially active in hot, dry weather, and their main target is exclusively young radishes. Fleas are not as scary for adult plants as they are for young shoots.

The white butterfly is a white butterfly that lays its eggs in the soil. It is not she who is dangerous for radishes, but her caterpillars, which eat leaves, making holes in them.

Medvedka is the most serious enemy of root crops. It is more common in greenhouses because it loves warm soil. The pest eats root crops, forming holes and passages in them.

Cabbage flies - these insects are not averse to eating any cruciferous crops. They lay eggs in the ground, from which larvae appear in a matter of days, eating radishes. If you do not start fighting them in time, then the entire crop will be destroyed.

Firefly is a gray-brown butterfly that is nocturnal and feeds on the leaves of cruciferous crops. Like all butterflies, she lays eggs, from which caterpillars emerge. These caterpillars very actively devour young leaves, which leads to the complete destruction of plants.

The rapeseed bug is a black bug with yellow stripes on its back that appears on radishes as soon as it gets warmer. They eat leaves, forming holes in them, which leads to yellowing and then wilting of plants.

Wireworms are the larvae of click beetles. They eat any root crops, including radishes.

Since the radish loves moist soil, slugs can often be found in its garden. During the day, they hide in the ground between plants, and crawl out at night to feast on the pulp of root crops. Slugs appear in the middle or second half of summer, therefore they are dangerous only for late varieties.

Ways to fight

Insecticides are the surest way to control pests of garden crops, but for radishes their use is not always justified and advisable. The fact is that these drugs lead to the accumulation of such harmful substances like nitrates. If the application of insecticides is stopped a month before harvesting, then the nitrates will have time to leave the plant and will not harm the consumer. The radish very quickly accumulates nitrates in itself, and since the growing season of the crop is short (20–40 days), it does not have time to get rid of them. To nitrates in early vegetables did not cause harm to health, radishes are treated with light insecticides, antiseptics or folk remedies.

Diseases of bacterial origin (powdery mildew, rot, bacteriosis) can be fought with Bordeaux liquid. It is a light complex insecticide with high antiseptic properties. From it, the radish does not accumulate nitrates, since the solution is used only for spraying the tops and does not enter the soil. The drug is effective not only against fungal diseases, but also against many pests, therefore it is used for almost all cultivated plants as a preventive and therapeutic agent.

To combat clubroot, an aqueous solution of slaked lime, popularly called milk of lime, is recommended. To do this, 2 cups of the product must be diluted in 10 liters of water and used to water the plants. Lime is safe for humans; nitrates are not formed from it in radishes. In addition, slaked lime is used in gardening as a fertilizer for the soil, so you don’t have to worry about the quality of root crops.

From a black leg on a radish, a solution of copper sulfate (1 tablespoon / 10 l of water) with the addition of laundry soap (40 g) is effective. Vitriol is an insecticide, but since it is used only for spraying, it does not interact with root crops, and, therefore, nitrates are not formed from it. You can also fight the disease with folk remedies - a decoction of onion peel (20 g / 1 liter), you need to insist it for a day and process the tops of the plants.

It should be remembered that nitrates are formed in root crops from a large amount of organic matter, so the amount of fertilizer should be minimal.

The cruciferous flea and other insects can only be gotten rid of with natural remedies, from which nitrates are not formed in radishes: ash, tobacco dust, laundry soap, wormwood.

Video "Wood ash against pests"

Experienced gardeners use wood ash How natural fertilizer However, it is no less successfully used against pests and diseases. Details in the video.

Processing technology

Whatever method of treatment is used: spraying, watering or spraying a dry mixture, it will be effective only if the product lingers for some time in the soil or on the radish itself. The first surface watering or rain will immediately wash off the product and will not give the desired result. Therefore, if the radish was sprayed with a medicinal solution or sprinkled with a mixture, then it must be transferred to drip irrigation (directly under the roots).

If radishes grow in the vicinity of cruciferous weeds, then they should be abundantly watered with insecticides - otherwise they will become a breeding ground for insects.

It is better to process radishes in dry and calm weather. Usually such work is carried out in the evening. However, to eliminate the flea on the radish, you should choose the daytime, since in the heat the insects are especially active. You can fight a flea not only with the help of solutions and mixtures, but also by mechanical means: covering the beds, as well as hanging adhesive tapes to which insects stick. These harmless measures help to wait until the radish grows up, and the fleas are not so dangerous for it.

How to prevent pests

The most reliable way to prevent diseases and pests on radishes is to disinfect the seeds and soil when sowing the crop. Crop rotation also effectively solves this problem.

It is important not only to change the location of the beds every year, but also to avoid re-sowing during the season.

Radish is an early ripening vegetable, and many gardeners try to grow several crops per season on the same bed. This is the cause of outbreaks of fungal diseases, which become more active with each subsequent sowing.

Good predecessors for radishes are: potatoes, cucumbers, tomatoes, legumes, garlic, onion. Since the early radish ripens quite quickly, it can be sown in a plot intended for planting seedlings of peppers, tomatoes, eggplants - this is an example rational use landing area.

In addition, many pests, such as the cruciferous flea, do not like the smell of nightshade crops. She also does not like humidity, and if the radish is watered abundantly, then it is quite possible that the insects will leave the garden.

Not the last role in the cultivation of culture plays proper care. Remove weeds from the garden in a timely manner, since it is from them that the pests move to the beds with cultivated plants. Some gardeners plant plants and flowers next to radishes that emit a special smell that repels pests. Such plants are: tansy, calendula, celandine, marigolds, coriander, dill.

When planning to plant radishes, choose early varieties and resistant to diseases and pests. Early sowing is the most the right way prevent many diseases and obtain a high-quality, intact crop.