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Diseases, pests and other problems of the maintenance of the Chinese rose. Why does her leaves curl and buds fall off?

Diseases, pests and other problems of the maintenance of the Chinese rose. Why does her leaves curl and buds fall off?


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The Chinese rose, also known as hibiscus, is a fairly unpretentious plant. However, it can be defeated by various diseases and pests.

Knowing the causes of these diseases, you can prevent their occurrence. But if your plant is already sick, then you need to know how to deal with the disease.

This article is about hibiscus diseases and how to treat them. We will tell you how to properly care for this beautiful plant at home. For clarity, we will offer an informative video on the topic of the article for viewing and show in the photo what the pests of the Chinese rose look like.

Hibiscus diseases

Rolling the leaves

The disease is manifested by deformation of the leaves... Why do the leaves curl? The reasons for this deformation can be:

  • damage by a pest - aphids;
  • getting burned or insufficient watering;
  • infectious chlorosis;
  • lack of trace elements.

Before starting treatment, it is necessary to identify why exactly the leaves began to curl, since each of the reasons requires an individual approach to solving.

If the leaves curl due to the appearance of aphids on the plant, then you can easily determine this by carefully examining the flower.

  • After finding insects, you must:
    1. Isolate the plant from others.
    2. The next step is to treat the plant with soapy water or Fitoverm. Processing should be carried out 2-3 times at a certain interval.
  • If your plant is sick due to a burn or insufficient watering, then you need to save it from direct sunlight and start additional spraying of the flower.
  • Chlorosis appears due to the appearance of pests on the plant.
    1. First of all, you need to get rid of them with special drugs.
    2. Then water using a solution of ferrous sulfate or iron chelate.
  • Hibiscus needs copper, iron, magnesium and potassium to grow. With a lack of these trace elements, the leaves also begin to curl. To avoid this, it is necessary to feed with universal fertilizers. They need to be carried out every 3-4 weeks.

Falling buds

Why do unblown buds fall? The reasons why hibiscus sheds buds are different:

  • lack of fertilization;
  • insect infestation;
  • wrong growing place.

For normal plant growth, certain rules for caring for it must be observed.

  1. A sunny location with a southern exposure is required.
  2. Watering once a day with settled water at room temperature. In winter, watering is reduced.
  3. Correct soil.
  4. Mandatory application of fertilizers containing:
    • copper;
    • magnesium;
    • potassium;
    • iron.
  5. In case of damage by pests, it is necessary to carry out a special treatment of the plant with insecticidal preparations.

We offer for viewing an informative video about the reasons for the falling of the buds on a Chinese rose:

The plant wilts after transplanting

A transplant is stressful for any plant, therefore, in order for it to quickly recover and not start to hurt, it is necessary to provide the flower with special care.

You need to trim:

  1. Remove the tops of the shoots.
  2. Remove weak, broken and growing shoots inside the crown.
  3. After cutting, the cuts must be treated with charcoal.
  4. You should also control the temperature. After trimming, it must be reduced by 2-3 degrees.
  5. The next stage is daily spraying with water at room temperature. The soil must not be allowed to dry out.

Other diseases

  • Decay of roots - occurs due to excessive watering. To prevent this, you need to strictly control the watering conditions.
  • Non-infectious chlorosis - arises from a lack of trace elements. As a result, the branches become thinner, spots appear on the leaves, as well as their yellowing and falling off.
  • Sunburn - appears as spots on the leaves. Occurs when the plant is exposed to direct sunlight. In order to prevent getting burned, the plant should not be placed in direct rays.
  • Vascular wilting - this is drying and wrinkling of the branches of a flower and its death. The cause of this disease can be infection with fungi, fusarium, as well as infection with a virus. For treatment, special drugs are used.

Hibiscus pests: description and photo

Aphid

Small insect that settles on the leaves, shoots and buds of the plant... It multiplies quickly and thus covers the entire surface of the plant, creating a sticky coating on it and destroying young leaves. To get rid of aphids early, you can use a soapy solution. They wash the infected areas of the flower. At a later stage, the plant is treated with insecticides.

Shields

After their appearance, brown bumps form on the plant.

To get rid of them the plant is sprayed with insecticides.

This should be done as soon as possible after the pest is detected, otherwise the plant may die.

Schervets

If a waxy white discharge appeared on the plant on the cuttings and axils of the leaves, then it was struck by a worm.

To get rid of him leaves are treated with mineral oils... This should be done in the shade.

Gallica

Small midges that lead to yellowing, drying of leaves and buds. The eggs of this midge are stored inside the buds, from which worms emerge. They are the ones who eat the buds, which eventually fall off.

To remove this pest, you need to treat the soil with any means of soil pests
and collect the affected buds before they fall off.

Whitefly

Leads to yellowing of leaves, covers them with sticky secretions.

Insects or their yellow larvae settle under the leafYou can see pests without a magnifying glass.

For treatment, treat the plant with an insecticide and apply potassium soap.

Home care at a glance

  1. Landing - transplant within 3 weeks after purchase, give 2 days of rest. It is produced very carefully, since the plant has a very sensitive root system.
  2. Priming should be light, fertile, consisting of sand, turf, leafy earth and humus.
  3. Lighting - provide the plant with diffused light. Store on a sunny side out of direct sunlight.
  4. Temperature - warm temperature conditions without sudden changes.
  5. Watering - in summer, regular and abundant warm, settled water, in winter, watering is reduced.
  6. Top dressing... Liquid mineral fertilizers with nitrogen content are selected. In winter, potash and phosphate fertilizers are used.
  7. Pruning - produced immediately after transplantation, and further as it grows.

We suggest that you familiarize yourself with an informative video about caring for a Chinese rose:

All plants are susceptible to various diseases and the Chinese rose is no exception. Therefore, you always need to remember and follow the rules for caring for the plant in order to prevent the appearance of diseases. And in the case when the flower is already suffering from pests or diseases, know the reasons for their appearance and methods of treatment.

Next is a video about hibiscus diseases and how to deal with them:


Watch the video: 10 Easy Tips for Growing Roses (June 2022).


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