What are peonies sick with, what pests they are affected by

Folk remedies for the destruction of ants in the backyard

The safest, most humane methods for treating ants are folk. Most of them are aimed at repelling insects without harming the entire colony. Ants do not only harm the garden plot, but also benefit. By destroying these insects, you destroy other representatives of the animal world that depend on them. Folk methods will not have a negative effect on cultivated plants. Let's take a look at the most popular and effective ant control methods.

Garlic

Garlic is one of the most effective ant repellents. To this end, many gardeners plant it in the aisles of plants that are of interest to insects - strawberries, currants, cabbage and others. Arrows of garlic, exuding a pungent aroma, are laid out near the nests of ants. If you rub the crown of trees with them or with cloves of garlic, then the insects will not be able to reach the aphids.

Ash

Wood ash helps scare off ants from the site. It is used to powder the plants on which aphids have appeared, and the habitats of insects. You can drive them out of the nest with hot ash. To use it to repel insects, stir up the nest, cover it with ash (directly from a stove or fire). The ants will not like this interference, they will rush to leave your garden.

Boiling water

An effective but cruel ant repellent that should not be used near garden plants is boiling water. To do this, you need to take ordinary water, bring it to a boil, pour it over the anthill. For greater efficiency, before applying the method, you need to stir up the nest. Sometimes a boiling solution is prepared by adding some aromatic plants - garlic, lavender, tansy, or ammonia. Their use complements the unpleasant sensations of insects.

Black pepper

Black pepper helps scare off ants from the orchard. Its effectiveness is due to the odor, unpleasant for insects, and dusty consistency, which clogs the respiratory organs of pests. It is used in the form of ground powder, which is thickly sprinkled on ant paths and nests. To enhance the effect, gardeners add ash to the pepper and use the resulting remedy not only for ants, but also for aphids. This method will not kill the insects, but it will force them to leave your garden.

Sugar syrup

Ants are famous for their sweet tooth, so sugar syrup will help get rid of them. To prepare it, you will need 100 g of water and sugar each. Dissolving sugar in water, get a thick syrup, which should be poured into small containers, place them near the anthill. Insects attracted by the delicacy will not be able to get out of it. Sometimes poison is added to the syrup.

Boric acid solution

This tool is used as part of the bait. To prepare it, you will need pharmaceutical boric acid, which is dissolved in a small amount of water. The solution is poured into containers, placed near the nests. To make the liquid more attractive, a little sugar is added to it. This remedy helps to get rid of the queen herself. Garden ants feed her with a treat, from which she dies. Yeast enhances the action of the agent, which is taken in proportions with boric acid 1: 2.

Kerosene solution

Kerasin will help drive ants out of your garden. To do this, you need to prepare a solution of 10 liters of water, 10 tablespoons of kerosene. The resulting product must be poured into a previously stirred up anthill. So that the smell does not disappear, it is advised to cover the treated area with a film. The ants will not die, but they will no longer live in such an uncomfortable place.

Shampoo and vegetable oil

An environmentally friendly product that will help keep ants out of your garden is shampoo and vegetable oil. To prepare the solution, you will need 10 liters of water, a bottle of vinegar, half a liter of oil and an inexpensive shampoo. You can substitute dish soap for the last ingredient. Mix all the ingredients, pour onto the anthill. To penetrate the water deeper, pierce the nest.

A bit of classification

Ants (Formicidae) are one of the families of Social insects (along with termites, bees, wasps), that is, they do not live alone, but in colonial families. They belong to the superfamily Ant (Formicoidea) of the order Hymenoptera. Ants are one of the most abundant insects on our planet, their complex organization of the community has attracted the interest of scientists for many years. The science of ants is called Myrmicology.

According to the modern classification, the ant family includes 20 subfamilies, 54 tribes, 378 genera, 12,470 species and 4,515 subspecies. That is, the variety of ants is colossal. This is the dominant group of insects of the Arthropod type.

On the territory of Russia, there are about 30 genera of ants. The most common in garden plots are Sod Ant (meadow) Ant (Tetramorium caespitum L.), Garden Ant (Black) (Lasius niger L.), Red Myrmica (Myrmica laevinodis Nyl.), And in people whose sites are located close to the forest, The Red Forest Ant (Formica rufa L.) often settles.

Gardeners, of course, are only interested in those species of ants that have settled in the immediate vicinity of the beds and plantings. And since "our shirt is closer to the body," let's take a closer look at our neighbors-ants and try to understand what they are doing on our plants and beds.

Diseases of peonies and their treatment

Most often, peonies infect various fungi, but sometimes viral diseases can also destroy the plant.

Rust

Rust on peonies is very easy to distinguish from many other diseases inherent in this plant. The leaves of the diseased specimen are covered with brown, ornamental or reddish cushion spots, consisting of fungal spores. If measures are not taken in time to eliminate the disease, spores will be carried by the wind, and the disease will be transmitted to other plants.

Ways to fight

To save peonies and prevent the spread of rust, it is necessary to remove diseased leaves in a timely manner and burn them. Also, the plant should be sprayed with 1% Bordeaux liquid.

Gray rot

This disease is one of the most dangerous, since it affects all parts of the plant: stems, leaves, buds. If young shoots wither in spring on peonies, then gray rot is most often the cause. As the disease progresses, a gray bloom (mold) can be found on the plant.

You can also recognize the disease by brown spots around the stem near the root collar. The sick peony withers and dies over time. Gray rot spreads especially quickly in wet weather.

Ways to fight

Sick areas must be cut off and destroyed immediately. For the winter, the stems of the plant should be cut short. In the spring, it is advisable to spray with 1% Bordeaux liquid. Also, one of the methods of prevention is the fight against ants that are capable of carrying diseases. If the gray rot has already shown itself, it is necessary to shed the peonies with a 0.6% Tiram suspension and first cut off all the affected parts of the plant.

Powdery mildew

Most often, adult peonies are already sick with powdery mildew. The disease can be identified by a whitish bloom on the upper part of the leaves. Fortunately, the disease does not bring too much harm, but still it is necessary to fight it.

Ways to fight

Peonies with powdery mildew must be sprayed with a 0.5% solution of soda ash with the addition of laundry soap. After 8-10 days after the first treatment, you need to carry out the second.Also, in the fight against powdery mildew on a peony, spraying with a 0.2% Figon solution helps.

Leaf mosaic

This viral disease is manifested by spots on the leaves of peonies. With circular mosaic, the leaf plates of plants are covered with light green stripes, alternating with dark green ones, which thereby create a mosaic pattern. Also, with this disease, small necrotic spots may appear on the leaves of peonies.

Ways to fight

The disease does not respond to treatment. Diseased specimens must be urgently removed from the flower garden and destroyed.

Lemoine's disease

The causes of this disease in peonies are unknown. It can be determined by the following signs: plants become smaller, shoots develop poorly, there is no flowering, swelling may occur on the roots (which also grow poorly).

Lemoine's disease can be easily confused with root-knot nematode damage to the peony. Because of this, there is even an opinion that the pest can be the cause of the disease.

Ways to fight

A plant affected by Lemoine's disease cannot be cured. It must be removed from the flower garden and destroyed in order to prevent the spread of the disease.

Verticillary wilting

Most often, this disease makes itself felt during the flowering of peonies. If the plants look healthy, but for some unknown reason, their leaves and stems begin to wither, most likely the flowers are withering away from verticillary wilt.

The pathogen enters the plant. You can determine wilting by the darkened vessels on the cross section of the shoot. It is difficult to get rid of the disease, since the pathogen is able to hibernate in the roots or root collar.

Ways to fight

It is impossible to save the plant; it must be dug up together with an earthen clod and burned. The pit formed after digging a sick specimen should be shed with bleach or formalin.

Leaf spot

Fungal spores are visible on the underside of the leaves, along the edges and at the tips, and on the upper side, blue, purple or light brown spots form in these places.

Ways to fight

Diseased plants must be destroyed. A sparse planting of bushes and a moderate application of nitrogen fertilizers help to prevent the disease. In wet weather, when there is a threat of mass infection, peonies should be treated with 1% Bordeaux liquid.

Peony pests and control

Insects and various pests cause significant harm to flower beds and individual peony bushes. Therefore, the fight against them is no less important than proper care and prevention of diseases.

Ants

Attracted by the sweet sap the flower buds give off, these insects gnaw at the flower petals and leaves of the plant, thereby draining the bush. The easiest and most affordable way to get rid of these pests is warm water. It is enough to periodically wash the flowers. However, fufanol solution is considered a faster and more effective remedy.

Diseases and pests of peonies - ants

If a large number of ants are seen not on the buds and flowers, but under the peony bush, this may indicate rotting of the plant's root system. In this case, the bush will need to be removed from the ground and burned.

Aphid

Most often, aphids "attack" the upper parts of peony bushes, sucking all the juices from the plants. If there are a lot of aphids, then the flower quickly withers and dies. With a small number of insects, they can simply be collected or washed off with strong water pressure (you can use a soap solution). If there are a lot of insects, then the bushes are recommended to be treated with special agents, strictly following the instructions.

Diseases and pests of peonies - aphids

Gall nematodes

Nematodes are called worms that parasitize on the roots of peonies. Settling in the root system, they cause the appearance of galls (balls 3-5 mm in size) on the tubers. Inside these galls, worms multiply, after which they move into the ground in search of new healthy bushes.An additional harm of nematodes is that they are carriers of some pion diseases.

Diseases and pests of peonies - root nematode

Plants, on the roots of which worms settle, begin to grow poorly and cease to bloom. There are no effective means of combating this pest, so all affected plants must be destroyed.

After the plant is dug out, the resulting hole must be thoroughly disinfected. Formalin solution (1% concentration) is excellent for disinfection.

Preventive measures for controlling the nematode include careful selection of tubers and deep digging of the soil before planting.

Bronzovka

The beetle is a lover of peony petals, stems and leaves. The peak of their activity occurs in late spring and summer. To get rid of this uninvited guest, experienced flower growers are advised to spray the plants with infusion of hellebore or tomato tops. Special preparations also help well.

Also, as part of the prevention of the appearance of the beetle and the reduction of its population on the site, it is necessary to loosen the soil more often during the pupation period of the larvae of the bronzovka (in late summer - early autumn).

Hop thinworm

The danger is represented by the larvae of this insect, which gnaw the roots of the bushes. After damage to the root system, the plant quickly dies. To prevent larval development, experts recommend loosening the soil more often in the summer months and removing weeds. If fineworm butterflies are found nearby or on the plant itself, it is worth treating the bushes with special chemical compounds.

Thrips

Microscopic black pests that settle on peonies during the growing season of plants. They inflict the greatest damage on peonies when collecting buds, as they feed on the juice from the petals. Thrips are very difficult to spot. If they are found, the plants should be treated with karbofos (0.2%). Dandelion or yarrow tinctures can also help in the fight.

Diseases of peonies and their treatment

As a rule, peonies are affected by a fungal infection, but it also happens that the death of a plant is caused by a viral disease.

Rust

It is not difficult to recognize rust on flowers. Brown, orange or red spots-pads appear on the leaves of the plant, which consist of fungal spores. If you ignore this ailment, spores will begin to spread with the wind over impressive distances and the disease will be transmitted to the rest of the plantings.

Ways to fight

To prevent the death of peonies from rust and to exclude the progression of the disease, you need to pick off the affected leaves in time and dispose of by burning. The peony bush must be treated with 1% Bordeaux liquid.

Gray rot

A disease of this kind is considered dangerous, since it affects the bush completely. If it was found that young shoots began to wither in the springtime, then most likely the reason lies in gray rot. Over time, a gray bloom (mold) is observed on the bushes. A sign of gray rot is brown spots near the stem in the area of ​​the root collar.

Ways to fight

Places with plaque and brown spots must be cut off and burned immediately. Before the arrival of winter, the peony stalks will have to be cut at the root. In the spring, it is recommended to carry out the treatment with 1% Bordeaux liquid. Ants can become carriers of the disease, therefore, for the purpose of prevention, the fight against these insects is indicated. If the disease has already manifested itself, you need to cut off all areas with defects and water the flowers with a protective contact fungicide.

Powdery mildew

Peonies "aged" are susceptible to this disease. A sign of powdery mildew is a whitish bloom at the top of the leaves. The disease does not pose a threat, but if it made itself felt, you need to take measures to overcome it.

Ways to fight

To heal the bushes, you need to spray on them a 0.5% solution of soda ash and laundry soap. The second treatment can be done in 7-10 days. To eliminate powdery mildew, such a preparation "Figon" is suitable.For spraying, you need to prepare a 0.2% -1 solution

Leaf mosaic

The disease is viral in nature. Its features are light green and dark green stripes that form a mosaic pattern. If the plant is sick, small necrotic spots will appear on the leaves.

Ways to fight

This disease is insidious in that it cannot be cured. If you find signs of it, the plant needs to be dug up and disposed of.

Lemoine's disease

What leads to this disease is still unknown. The following signs indicate its appearance: the peony slows down in development, stops blooming, swelling will appear on the roots.

Ways to fight

The disease is dangerous because it does not respond to treatment. A bush with signs of ailment should be dug up and burned. In this way, it will be possible to protect other plants.

Verticillary wilting

As a rule, the signs of this disease can make themselves felt during the flowering period of peonies. If they are full of health, but their leaves and stems are withering, this may be a sign of verticillosis. The Verticillium fungus enters the plant. The fact that the plant is unhealthy will be indicated by darkened vessels on the cross section of the shoot.

Ways to fight

If the bush is sick, there is no chance of saving it. It must be removed together with the earthen lump and disposed of by incineration. In the place from where it was dug, you need to pour bleach or formalin.

Leaf spot

Even a novice florist can determine the signs of the disease. It is evidenced by fungal spores, which are located at the bottom of the leaves, along the edges and at the ends. Blue, purple and light brown spots will appear on the top.

Ways to fight

Peonies with symptoms of this disease must be disposed of. To protect peonies from leaf blight, thin sowing and moderate fertilization with nitrogen-based fertilizers are recommended. In wet weather, there is a high risk of mass infection of plantings, therefore, on days when it rains, it is recommended to spray the bushes with 1% Bordeaux liquid.

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Breeding features

Note! Reproduction and transplantation of Jameson's gerbera is performed in the spring.

Reproduction methods: seeds and rhizome division. They are planted in a loose, nutritious substrate. Gerbera seeds are sown in March.

The division of the bush is carried out during transplantation. A plant that should be around 4 years old. When dividing, at least 2-3 growth points are left on each division. In this case, new plants can begin to bloom in a year.

By dividing the bush

1. Buy a gerbera flower.
2. Let them get used to the new conditions.
3. Take a large diameter flowerpot.
4. Fill it with expanded clay or pebbles.
5. Remove flowers.
6. Transfer the gerbera along with the clod of earth.
7. Enrich with substrate.

Do not put the rhizome deep into the substrate! Water the plants every two weeks after transplanting. Be careful not to get water on the leaves and stem, it is best to pour water into the pan.

By dividing the bush, if the source of reproduction is your "old" plant

1. Remove the soil layer (the top of the rhizome should be visible).
2. Make an incision on the rhizome.
3. Sprinkle it with a little charcoal.
4. Place a new layer of earth in the pot.
5. Place the pot in the light.
6. Remove the plant (it should take about a month).
7. Divide the overgrown roots in two.
8. Transfer them to different large containers.

Growing from seeds at home

Important! Gerbera seeds can only germinate for 8 months after harvest.

Gerberas can be pollinated on their own and get seeds for planting. If you decide to collect the seeds yourself, then remember that they should be used no later than three months after collection.

Instructions for growing from seeds Jameson gerberas at home:

• Prepare the soil. Mix the soil. It should consist of equal parts:
  1. peat;
  2. perlite;
  3. sand;
  4. leafy land.

  Also, the soil can only be composed of peat and sand. You should have a light and loose potting mix.

  1. Spill the ground with a weak solution of potassium permanganate or freeze it.
  2. Prepare a large pot with drainage holes.
  3. Lay expanded clay (about 3 cm) at the bottom of the pot.
  4. Set the soil down by tamping it lightly.
  5. Water the soil to keep it moist.
  6. Sow seeds superficially.
  7. Sprinkle on top with a thin layer of sand.
• Make a greenhouse for the seeds:
  1. Place the container with the planted seeds under the plastic wrap. The temperature in the greenhouse should be around +20 ° C.

     Air the seeds twice a day and moisturize as needed.

  2. After 10-12 days, the sprouts will hatch, then rearrange them.
• Transplant flowers:
  1. Dive the plants into a large pot so that the seedlings are placed after 8-10 cm (after the leaves appear).
  2. Plant the plants separately (after 5 leaves have emerged) in small pots (about 10 cm in diameter).
  3. Transplant the plants separately (when they are older and stronger) into larger pots (about 20 cm in diameter).

The plant usually begins flowering nine months after planting.

Water the plants regularly, the optimal frequency is 3-4 times a month, depending on the season! Use warm, soft, settled water.

On a note. After the end of flowering, the plant enters a dormant period that lasts until February.

Reduce watering of the flower during the dormant period. Stop feeding the plant. Gerbera needs rest, because she is gaining strength for a new period of flowering and growth.

The beauty of gerberas is well worth the time it takes to care for them. Our experts will help you grow a healthy and flowering plant:

• How to care for potted gerberas and what to avoid when growing a flower?
• Why do gerbera leaves turn yellow and how to cure it?
• Why don't indoor gerberas bloom and what to do about it?

How to get rid of ants on peonies using folk methods

How to process flowers, everyone decides in their own way. Many amateur gardeners use some folk method to fight ants. And often such methods work very well.

In addition, it is the folk methods that are real salvation for summer residents who have children or grandchildren. Little children often drag beautiful flowers or buds into their mouths, and it is rather difficult to explain to them that this is not necessary at a tender age. And if a bud treated with chemicals gets into a child's mouth, the consequences can be very bad.

And while folk remedies aren't as drastic as chemicals, they do work quite well. Which one to choose, decide for yourself.

There are several popular ways:

• you can plant some plants next to the peonies with a pungent unpleasant odor that will scare off ants. It can be mint, tansy, parsley. Also, ants do not like the smell of marigolds and wormwood. It is better to plant these plants around the peony bushes. Or just spray the buds with a tincture of any of these plants, which is easy to get by pouring boiling water over them for a while;
• ants don't like garlic. You can use the tincture in the same way, pouring boiling water over several pounded cloves of garlic. Or you can simply rub the peony shoots with garlic. This will also scare off the ants;
• gardening shops sell special ant traps that work well. The principle of such a trap is that ants get stuck on its sticky surface. If you decide to make your own trap, use honey or petroleum jelly. Put these traps on your peonies and change them periodically;
• it is good to use ordinary kerosene to fight ants. Just dampen a rag with kerosene and place it next to the bushes. Ants tolerate the smell of kerosene even worse than the smell of garlic. You just need to remember that kerosene quickly fizzles out, and you will often have to wet the rags.

Some put plates of sweet syrup, jam or honey near the peonies.But not only ants get there - butterflies, bees, flies and beetles fly there. You will have to change such a saucer very often.

Boric acid, completely harmless to humans, kills ants. It is very often used to fight ants. You can add boric acid directly to the syrup bowl you place under the peony bushes.

Pion viral diseases, photos and their treatment

Along with fungal infections, peonies are increasingly exposed to all kinds of viral infections. Infection can occur through the soil, equipment used for planting and caring for a plant, planting material. In addition, some insects and worms can carry viruses.

Circular mosaic of leaves

A common disease of pions of viral etiology today. It spreads gradually, while its symptoms may differ in different varieties and types of flowers. The first sign of the disease is a colored pattern in the form of full and half rings and mosaic-like lines on the leaves. The virus is activated, as a rule, after regrowth of the stems before flowering.

Peony disease leaf circular mosaic

In general, at the initial stage of the lesion, the virus has almost no effect on the plant - the peony will continue to grow and bloom. There is even an opinion that healthy plants can fight the virus on their own. However, in order to avoid the spread of the disease to neighboring bushes, experts still advise to destroy the diseased plant. If the damage to the bush is minor, it may be sufficient to remove the affected parts.

Lemoine's disease

Such a pathology as Lemoine's disease stands apart. Despite the fact that it occurs quite often, its cause and pathogen have not yet been clarified. Strong crushing of plants, poor development of stems and lack of flowering helps to recognize it. In a diseased plant, the root system grows poorly, and swelling may appear on the tubers. Since the cause of the pathology has not been determined, there are no methods for its treatment. Therefore, the affected plant should be dug up and destroyed.

Rolling the leaves

One of the most common problems faced by peony lovers. At the same time, often the cause of this phenomenon is not at all the diseases of peonies, but improper care of flowers, as well as some features of the soil.

So, most often the leaves curl as a result:

1. Irrational watering. Twisted leaves indicate a lack of water in the plant, or, conversely, an excessive presence of it. Therefore, in order for the peony to feel normal, it must be watered once every 2 weeks.
2. Lack of sunlight. A large amount of light is vital to these flowers, so they should not be planted in dark areas.
3. Lack of potassium in the soil.
4. The presence of voids in the soil.

All these reasons are easy enough to eliminate, after which the leaves of the peonies will return to their previous appearance. However, in addition to the above, the causes of leaf curling can be excessive activity of rodents or pests.

Peony pests and control

Bronzovka

Bronze is especially dangerous from May to August: it eats petals, stems and leaves of plants. It is easy to recognize this beetle by its golden-green back, thanks to which it got its name.

What to do with the bronze?

During the period of activity of bronzes, they are recommended to be collected by hand every morning. Also, at the end of summer, the soil should be loosened more often, and during the budding of peonies, spray them with a solution of tomato tops or insecticides.

bronze peony

Gall nematodes on peonies

Gall nematodes predominantly affect plant roots. Diseased peonies can be distinguished by knotty swellings in which these pests usually gather.

What to do with the root nematode on a peony?

Affected plants must be removed and burned to prevent the spread of nematodes.After that, it is better to disinfect the soil with a 1% formalin solution.

For preventive purposes, you need to carefully select the planting material, dig deeply into the soil before planting the peonies and do not forget to destroy all plant residues during the cleaning of the site.

Aphids on peonies

Aphids are dangerous because they drink juices from the plant. They usually accumulate at the tops of the shoots, around the buds and flowers. If there are too many of them, the plant begins to weaken, the flowers may become smaller, and the leaves may curl and discolor. In addition, these insects can be carriers of viral diseases.

aphid on a peony

What to do with aphids on peonies?

If there are very few aphids, you can collect them by hand or wash them off with a strong pressure of water (or soapy water). If there are a lot of them, you will have to treat the peonies with insecticides (for example, Aktellikom).

Sod ants on peonies

Sod ants, attracted by the sweet syrup secreted by the buds, often gnaw at the petals of the plants, and sometimes the buds themselves.

ants on a peony bud

What to do with ants on peonies?

Plants affected by ants, as well as the soil around them, should be sprayed with repellents. You can spill the soil with a solution of "Anteater" (1 ml per 10 l of water), add "Thunder", "Thunder-2" or "Ant" (20-30 g per 10 m2) to the soil or anthill. Also, infusions of insecticidal plants are used: garlic, celandine, wormwood, etc.

Peony thrips

Thrips are often found on peonies during the growing season. They feed on plant sap - they cause especially great damage during the budding period. Because of them, fabrics become discolored and yellow. They also carry viral diseases. It is quite difficult to notice traces of their presence on the flowers with the naked eye: thrips are very small.

What to do with thrips on peonies?

You can fight thrips by spraying peonies with Karbofos, Fitoverm or Aktellik - usually the treatment is carried out before flowering. From folk remedies, a tincture of dandelion or yarrow is used. Plants infested with thrips must be isolated to prevent pests from spreading.

Hop fineworm on peonies

The hop thinworm eats the roots of peonies: because of this, the plants stop growing and do not bloom well.

What to do with the hop fineworm?

For prevention, you need to regularly loosen and weed the soil, as well as remove weeds in time. If the pests have already been noticed, you can spray the bushes with Iskra.

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Fungal diseases of peonies and the fight against them, photo

The most common cause of peony disease is fungi. To prevent infection, you should use Funtazol, Topsin-M or Fitosporin-M. In case of significant lesions, peonies should be dug up and destroyed so that the infection does not spread to other plants.

Gray rot (lat.Botrytis cinerea)

If young peonies began to wither at the end of spring, diseases and treatment are determined by a careful examination of the surface of the stem and leaves. If brown spots and plaque are found, gray mold infection can be suspected. As it develops, the leaves lose their freshness, and mold forms on all parts of the plant.

To stop the disease, the affected areas should be immediately cut off and burned, and the peonies should be sprayed with Bordeaux 1% liquid and poured with a 0.6% Tiram suspension.

Rust (lat.Cronartium flaccidum)

It appears during the period when peonies are fading.Its activity can be seen by brown blotches with a bluish tint on the leaves. Turning over the leaves of the infected plant, you will see spores that are quickly carried by the wind throughout the area.

Mushrooms of this category are dangerous in that they have high frost resistance. If you do not take action, then with the onset of spring, rust is activated with a vengeance and can completely destroy the flowers.

As a preventive measure, spraying with a concentrated solution of tar soap or ammonia (3 tablespoons per 10 liters of water) is suitable. With a progressive disease, spraying with fungicides is used, which include copper sulfate, copper oxychloride, Bordeaux liquid.

Septoriasis (lat.septoria macrospora)

Oppresses flowers in late spring and early summer. It appears as yellow-brown spots with a light center and dark rim. With the course of the disease, the spots grow and get a brownish color.

At first, the lower leaves of the peonies suffer, but gradually the spotting spreads throughout the stem. As a result, the flowers weaken, the leaves dry out.

For treatment, fungicides are used: copper oxychloride solution 0.6%, Bordeaux liquid 2%, or Fundazole 0.2%. The procedure can be repeated every 2 weeks if necessary.

Root rot caused by fungi

A dangerous disease for peonies is root rot. Their development is provoked by the fungi Sclerotinia, Rhizoctonia, Phytophtora. This is a fairly rare disease, but if a lesion occurs, urgent measures must be taken to preserve the plant.

The first symptom of the disease is a sharp darkening and wilting of the stem part. If you dig up a peony, you can notice a change in the structure of the rhizome, the formation of mucus on them, the spread of a fetid odor. Affected plants should be destroyed.

Phosphorus-potassium supplements are used as preventive measures. Copper sulfate, Fundazol, and the drug Hom are used to treat an unreleased form of the disease.

To reduce the risks of developing root rot, it is recommended to follow the rules of planting, watering, and avoid thickening of the plots.