Maria Lukyanenko/ article author
Identification of pests, work with insect cultures, micrograph of insects, bibliographic studies.

How to spray roses from caterpillars and aphids

Caterpillars on roses feed on the pulp of leaves, buds, as well as buds. Holes remain at the parasitic site, which subsequently leads to deformation, death of foliage due to insufficient filling with nutrient components. Caterpillars fold a leaf, braiding it with a web, form a refuge from enemies. During flowering, rose petals are enveloped in the same way.

How to process roses from caterpillars: professional tools

Leaflover lays eggs in the fall under the bark of trees, a layer of leaves, old stumps. In early spring, larvae emerge from them - caterpillars with a green-brown color. In one clutch there are about 200 eggs, so the scale of infection of the flower bed is very significant.

On a note!

Leafworm larvae go through several stages of development, all growing cycle lasts about 2 months. The threat of infection of flowers appears in early spring, the peak of wrecking occurs in May-June. By mid-summer, caterpillars pupate, and after a while turn into butterflies.

Chemicals for caterpillars
Chemicals for caterpillars

There are different ways. caterpillar control in gardens. On sale there are chemicals of a wide spectrum of action that easily destroy larvae, resist re-infection. It is recommended to spray roses from aphids and caterpillars in dry weather early in the morning or in the evening.

  • Nitrofen. To get rid of caterpillars on roses at the initial stage of their infection, to prevent significant damage to plants, in early spring they spray the culture with Nitrofen solution. Fungicide effectively destroys larvae at the initial stage of their development, protects the plant from repeated attacks for about 60 days. One treatment is enough to provide the crop with excellent flowering all season. 300 ml of the drug are diluted in 10 l of cold water. Roses should be sprayed using a watering can, spray bottle or spray bottle.
  • Actara. Broad-spectrum insecticide. You can get rid of caterpillars on roses in just one treatment. The systemic drug penetrates the sheet plate, the poison does not wash off by rain, does not lose effectiveness at high temperature. Poisonous properties are present for about 30 days. This is enough to save the entire flower bed from aphids and caterpillars. Dilute the drug in warm water. 10 g of fluid requires 8 g of the drug. Repeated processing of roses from a leaflet is allowed in a month, if necessary.
  • Actellik. Professional chemical agent for the destruction of garden, indoor pests. The plant is allowed to spray at any time during the growing season. To prevent infection, roses should be treated in May, early June. Poisoning properties are stored for about a month. The maximum effect is observed during the first 2 hours, when pests receive a dose of poison by contact, they die in a few minutes. Subsequently, caterpillar poisoning occurs during feeding. To prepare a solution, 2 ml of the drug is dissolved in 2 l of cold water.

You can fight with green caterpillars on roses with the help of biological preparations. Active components gradually disrupt the life processes in the body of caterpillars, kill within 10 days. It is necessary to spray the plant twice a month, while there is a threat of infection.

On a note!

Roses from aphids and caterpillars can be treated with such preparations as Intavir, Spark bio, Fitoverm.

Folk remedies

Folk remedies against caterpillars
Folk remedies against caterpillars

If the caterpillars eat the rose, you need to act quickly. A large colony of pests can destroy a flower bed in a few months. You can process roses from caterpillars with folk remedies at any time during the plant’s vegetation.

  • Mustard Powder. Sprinkle paths on the flowerbed, and also use mustard to prepare the solution. Powder, a little laundry soap are added to the water. Spray the leaves. Properties are stored for several days in dry weather. If pests are found again, repeat spraying every 3 days.
  • Ash. Fighting black caterpillars on roses is not complete without wood ash. The same tool saves flowers from aphids, leafworm larvae and many other pests. Ashes are sprinkled with soil on the flowerbed, abundantly watered. The active components penetrate the plant sap, make it bitter, unattractive to the caterpillars. With a solution with the addition of laundry soap, the ashes are sprayed with leaves. The tool irritates the skin of the larvae, causing them to leave the plant.
  • Sagebrush. A poisonous plant not only repels larvae with a persistent smell, but also leads to death. 1 kg of wormwood pour 3 liters of water, boil over low heat for 20 minutes. Allow to brew for at least 2 hours. Spray the bush, water the soil.

Important!

It is necessary to fight caterpillars with folk remedies systematically. With severe infection, flower beds once will not be enough. The methods of folk wrestling are the same for vegetables, shrubs and trees. Recipes for killing pests on cabbage, plum or roses are the same.

To reduce the number of larvae, they are collected by hand. They scare away a solution of table vinegar, ammonia, boric acid, tobacco, garlic tincture, ordinary soapy water with added salt, baking soda. You can get rid of pests by living plants by planting nearby calendula, marigold, peppermint.

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