What should I do if the leaves of peony flowers are white ash?

This is powdery mildew; This disease usually affects the crops of flowers, but the seedlings of woody flowers such as roses, roses, and roses can also infect the seedlings of herbaceous flowers such as chrysanthemums, impatiens, melon leaf chrysanthemums, and phlox.

In the early stage of the disease, wettable powder can be used to prevent and treat the disease.

In this case, it should be powdery mildew, and it is necessary to hurry up and use medicine, and some false solutions or stone sulfur mixtures can be used to achieve certain good results.

Solution: You can put the flowers in a shady corner. Water once every ten days or half a month, and be careful not to be over-attendant.

After autumn, change the soil, apply enough fertilizer, water when wet and dry, and put it in a sunny place, it will produce new leaves, and it will bloom after two or three months, which is different in the north. Planted on the ground, some varieties do not shed their leaves. It changes according to the seasons and does not lose leaves until winter.

In this case, it should be necessary to take medication as soon as possible for vegetative nerve infection powdery mildew, and some carbendazim and chlorothalonil can be used to achieve a good effect.

When the peony leaves are white ash, the leaves are usually aged, but if the seedlings are white ash, this is powdery mildew.

The leaves of peony flowers are white and gray, and you can take some freckle removal drugs, and you can buy them at the flower shop.

: After the peony flowers bloom in April and May, the leaves of the aboveground parts begin to wither in July and August, and new leaves begin to grow in the following month.

If the leaves of the peony flower are white and gray, you can go to the flower and bird market, and then buy him some medicine and give it to him.

Reason: If the watering is too frequent or too long, it will cause the leaves to turn yellow, and if the amount of watering is not well controlled, too much or too little will also cause the leaves to turn yellow.

Solution: If there is a lack of water, increase the amount of watering, if the amount of watering is large, loosen the soil and reduce the amount of watering, usually water regularly, and control the amount of watering.

Causes: If the fertilization concentration is too high or due to insufficient fertilization and lack of nutrients, the leaves will become yellow, and even wilt and die.

Solution: Do not use too high concentration when fertilizing, control the amount of fertilizer not too much, and do not use it too often, if the amount of fertilizer is large, you can increase the amount of watering to consume fertilizer.

Reason: If peony flowers grow in alkaline soil, the leaves will turn yellow after a period of growth, and if you sit idly by, it will not only aggravate the yellowing phenomenon, but also lead to death.

Solution: It can be replaced with suitable soil, and replaced with acidic soil, which can not only improve the yellow leaf phenomenon but also facilitate its growth.

Reason: Peony flowers are generally attacked by pests, which can cause the leaves to turn yellow or scorch.

Solution: Pests should be caught in time after they are found, and pesticides can also be sprayed to eliminate pests.

1. Pruning. When maintaining peonies, it is necessary to observe the growth of peonies frequently. If the treatment is not timely, then the plant is very susceptible to pests and diseases, which seriously endangers the growth of peony flowers, resulting in a reduction in ornamental value.

Prune frequently to improve permeability between plants. Then after finding that the flower core is blackened, it is necessary to prune off the black part of the flower in time to avoid the plant consuming too much nutrients, resulting in a decrease in resistance, and promoting the plant to gradually recover its original growth.

2. Light control. Light is one of the main causes of the blackening of the core of the peony flower. When cultivating peony flowers, if the light is insufficient or the light is too weak, it is also very easy to cause the core of the peony flower to turn black.

When you find that the core is black, you should check the cause of the blackening in time, if it is caused by light. Therefore, it is necessary to provide sufficient sunlight for the plant in time, promote the photosynthesis of peony, improve the flowering rate of peony flowers, avoid it can also prevent peony from growing vigorously, and improve the ornamental value of peony flowers.

3. Water and fertilizer management. Peony is the same as other plants in its growth, and it is inseparable from the watering of water and fertilizer. If there is a lack of fertilizer and water in the growth, it is easy to cause the core of the peony flower to turn black.

Therefore, when we maintain peony flowers, we must pay attention to watering more fertilizer and water to meet the requirements of fertilizer and water for peony growth. If there is blackening, then it should be watered in time, but it should be noted that it should not be flooded with water, and small water drip irrigation should be the mainstay. Then it is necessary to properly apply nitrogen, phosphorus and potassium fertilizer, even if the peony does not have a large demand for water and fertilizer, but the appropriate amount of water and fertilizer is also very important for the growth of peony.

4. Pest control. Peony is often harmed by pests and diseases in its growth, and the damage of pests and diseases is also the main reason for the blackening of peony cores. Because of the pests and diseases that cause the peony core to turn black, it will not only lead to a decrease in ornamental value, but also seriously endanger the normal growth of the plant, and in severe cases, lead to death.

At this time, we should not only do a good job of pruning and ventilation, but also check specific pests and diseases in time, and then spray the corresponding insecticides for pest control.

Solution: Improve its watering problem. When watering, it should be watered thoroughly, but care should be taken not to cause stagnant water and waterlogging.

The best condition of the soil after watering is that it can drill the soil into a ball by grabbing a little soil by hand, but no water is drilled out, and the soil ball does not disperse, it is the best state. However, the amount and frequency of watering should be adjusted according to the solar terms, about once a week in autumn and winter, twice a week in spring, and water blindly in summer and flowering according to the soil condition of the plant.

Solution: Improve the problem of fertilization. Peony flowers do not have high requirements for fertilizer, but they must not be fertilized, at least twice a year, once when the plant is dormant, it is generally dormant in winter; Once fertilized during the growing period of the plant, that is, in the spring season; The amount of fertilizer should be determined according to the individual breeding situation, such as the size of the pot; Whereas, fertilizers can be purchased directly in the market.

Solution: Observe the surface of the plant frequently, and remove or use insecticides appropriately if insect pests are found; If a disease is found, it is necessary to understand what the disease is, and then prescribe the right medicine according to the disease, such as fungicides or pesticides, and plants are sold in the market.

Why do the leaves of the discolored peony turn yellow? There are many reasons why the leaves of Beiling turn yellow, the first is that there is more fertilizer, and the second is that there is too much water to water the rolling rock, which will also cause the changes in the leaves.

1. Too strong light: peony flowers like to grow in a warm, cool and dry environment, resistant to semi-shade and strong light, if the light is too strong, it will cause its leaves to burn and turn yellow. However, if it is kept in a shady place, it is also easy to cause yellowing of leaves and pests and diseases.

2. Improper fertilization: peony flowers like to grow in fertile soil, if the potted plants that are not fertilized for a long time can easily lead to excessive nutrient loss of the soil and poor pot soil, at this time the phenomenon of insufficient nutrients in the leaves will turn yellow.

4. Pest and disease hazards: peony flowers will suffer from some pests and diseases during the growth period, at this time we can judge whether there are pests and diseases by observing the leaves of the plant. Once pests and diseases occur, we need to control them in a timely manner.

If the timing of control is delayed, the leaves of the plant will turn yellow and even die.

5. Improper watering: If the watering is too frequent or the watering interval is too long, it will cause the leaves to turn yellow, and if the amount of watering is not well controlled, too much or too little will also cause the leaves to turn yellow.

This is a potted peony.

Yellow leaves are caused by too much shade and improper watering.

Peony is a positive plant, the growth environment needs better light, only in summer when the temperature is hot and high, it needs to be shaded in the summer, and the light should be sufficient in other seasons, otherwise the leaf color becomes light, yellow-green or yellow-white.

Peony is not tolerant to moisture, watering must be dry and wet alternately, long-term drought and short-term waterlogging will cause harm.

Pay attention to the following six aspects, which are the main causes of yellowing.

One is water yellow. Caused by over-frequent watering, it is characterized by no obvious change in old leaves and yellowing of young leaves; This should be done with immediate water control;

The second is dry yellow. Caused by lack of water and drought, it is characterized by the first yellow leaves from the bottom up, if the lack of water for a long time, the whole plant will be yellow, and even die, should be watered in time;

The third is fat yellow. Caused by excessive fertilization or high concentration; It is characterized by thick, shiny, and uneven young leaves; Fertilizer, cultivation and watering should be controlled;

Fourth, hungry yellow. It is caused by insufficient fertilizer, low fertilizer concentration, and long fertilization interval; It is characterized by the first yellow of young leaves and young stems, and if you do not fertilize in time after seeing this phenomenon, it will also cause the whole plant yellow leaves or even die; For flowers lacking fertilizer, avoid applying a large amount of thick fertilizer at one time, so as not to cause root burning;

Fifth, iron deficiency yellow leaves. Due to the great change of soil fertility conditions, the phenomenon of yellow leaves often occurs in greenhouses, which is characterized by obvious young leaves, light old leaves, yellow mesophyll, green leaf veins, and the formation of a typical network. It can be solved by applying ferrous sulfate aqueous solution, and the method is: 7 parts of cake fertilizer, 5 parts of ferrous sulfate, and 200 parts of water are prepared into multiple liquid water.

Sixth, pests and diseases. Pests and diseases can also cause yellowing of leaves.

At the same time, water and fertilizer management and pest control must also be done well.

I am a peony farmer in Heze.

That's the best question for me.

One is that fertilizer is insufficient.

The second is that the lighting is not good.

Peonies are sun-loving plants.

The third is disease.

Leaf spot. It will cause the peony leaves to spot yellow.

I don't know what your situation is. OK. Use.

I'll get back to you when I see it.

Yellowing of peony leaves, excessive watering, improper fertilization, and rotten roots can all lead to.

There are many reasons why the leaves of peony flowers turn yellow, and if it is caused by overwatering, it needs to be watered less. If it is caused by improper fertilization, it is necessary to apply thin fertilizer frequently and use fertilizer reasonably. If it is caused by rotten roots, it is necessary to remove pots and prune the rotten roots.

If it is caused by pests and diseases, it needs to be controlled with medication, and in severe cases, it is necessary to remove pots and change soil.

If you water too often and too much, there will be yellowing of young leaves, and there will be no obvious change in old leaves. If there is too little watering, the plant will lack water, and the old leaves will begin to turn yellow from the bottom up. If there is a long period of water shortage, the leaves of the whole plant will be dark yellow, and even die.

If the fertilizer is too much or too frequent, the leaf surface grows well, the leaf quality is thick and shiny, but the leaves will be uneven for a long time, and root rot may occur in severe cases; When the peony nutrients are insufficient, or if it is not fertilized for a long time, it will be manifested as yellowing of young leaves and young stems, which will gradually cause the whole plant to turn yellow or even die.

Peony flowers are fleshy roots, the potting soil is uncomfortable, and if the pot is not changed in time, bacterial infection will cause rotten roots. It is difficult to detect abnormalities in the above-ground parts at the beginning, but the absorption capacity of the roots gradually decreases, and the lower leaves slowly turn yellow and gradually spread to the whole plant.