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How to get rid of scale insects on lemon and other plant enemies

Scale insect and ant Until recently, a healthy lemon tree weakens and grows worse, the leaves on young shoots become smaller. With such symptoms, it is time for the owner of the plant to think about what the cause is the scale insect on the lemon, and how to get rid of the uninvited guest?

How to identify the presence of this pest on a house tree? Unlike other crawling or flying insects, the adult scale insect is practically motionless. But this does not prevent her at all from causing serious damage to a special young plant..

At first glance, it is not easy to find a scale insect on a lemon, because it looks like a small waxy outgrowth ranging in size from 3 to 5 mm. Depending on the type, pests are located on the back of the leaves, on lateral shoots and on the trunk, that is, wherever it is possible to firmly attach to the surface.

Without proper attention, scale insects on lemon multiply rapidly and, sucking juices from shoots and leaves, weaken the plant.

Lemon leaf with scabies Why do lemon leaves turn yellow? There are several reasons for this. In the process of vital activity, insects secrete a sticky substrate that gradually covers everything around. Honeydew not only helps to detect the pest, it:

  • closes the stomata on the leaf plates and thus disrupts the process of tissue respiration;
  • becomes a breeding ground for the sooty fungus, whose presence is revealed by the characteristic black spots on leaf plates and young stems.

The scale insect causes irreparable harm to the plantDisruption of the process of photosynthesis, depletion due to the nutrition of an increasing number of pests, and the addition of concomitant infections are the main factors leading to yellowing, wilting and loss of foliage. The leaves are followed by the turn of green shoots. If lemon diseases join insects, the plant is threatened with death..

Pests colonize the plantHow to get rid of scale insects on lemon? A solid shield reliably hides the insect from the attentive eyes of a person, helps to camouflage and seriously complicates the fight against the pest. It is because of such armor that insecticide treatment does not give the desired results. In addition, several species, differing in size and external characteristics, parasitize at once on a room culture. Some of these pests are quarantined, but they can stay in the country with fruits or houseplants..

To get rid of the scale insects on lemon, you need to detect it as early as possible and mechanically remove adult insects.

Pests settle in colonies located on the stems and the back of the leaves. Sometimes it is possible to identify scale insects on the ovaries. Therefore, it is these areas that are especially thoroughly examined..

The attachment points of the scale insects on the lemon are wiped with an alcohol-containing liquid, and then the whole plant is treated with a systemic insecticide. One procedure is not enough. Since the plant can contain pests in varying degrees of development, the treatment is repeated a couple more times with an interval of 7-10 days..

As a preventive measure, the citrus grower should:

  • monitor the cleanliness of the soil under the plant;
  • cut off dead and weakened shoots in time, especially those attracting pests;
  • treat cuts and other wounds with garden pitch;
  • arrange a monthly quarantine for all new plants or crops that return to the windowsill from their summer “vacation” in the garden.

Ants ate the trunk of a lemonAdhering to these simple rules, you can not only seriously reduce the risk of scabbards appearing on lemon, but also protect green pets from the attack of other dangerous insects:

  • false shields;
  • miner flies;
  • aphids;
  • gall flies;
  • mealybugs;
  • spider mite.

Violation of the conditions for keeping citrus fruits contributes to a decrease in growth rates, yellowing and falling of foliage, and refusal of fruiting..

For example, excessive dryness of the air in the room leads to the multiplication of spider mites. A microscopic pest is no less dangerous than a scale insect on a lemon, but you can get rid of it in similar ways, using home remedies and modern acaricides. True, it is important to correct the mistakes of leaving..

Plant treatment is urgently requiredIn addition to insects and mites, harmful fungi and pathogenic bacteria attack the health of lemon. These pathogens of lemon diseases are carried by drops of water, wind, or on healthy specimens from already infected plants. A significant role in the spread and rate of reproduction of microorganisms is influenced by the created conditions of detention.

Damage to lemon foliage by pathogenic bacteria and harmful fungiAnd on the leaves and fruits of the affected lemon, brown, black or gray spots form, the tissues on which gradually die off:

  • foliage withers and falls;
  • shoots stop growing, become weak, unviable;
  • fruits lose quality or fall off at the ovary stage.

Infected lemon fruitDiseases of home lemon, caused by pathogenic microflora and fungi, are treatable with fungicides, but it is very important to put in order the care of the crop and return it to proper conditions. To make homemade lemon recover faster after an illness, all buds and flowers, as well as unripe fruits, are removed from it. They must carry out sanitary pruning, and after the completion of the treatment they are fed.

Video about a simple way to deal with the scabbard on lemon

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