Peonies are susceptible to a variety of diseases, including rust. It can be easily distinguished from other ailments. The leaves become reddish, orange, brown. Bulging spots appear, which consist of fungal spores. Treatment consists of spraying with Bordeaux liquid 1%. You can also use drugs "Ordan", "OxyHOM", "Hom" and "Fitosporin-M".
Gray rot
The disease is dangerous in that it affects the buds, leaves and stems. Gray rot is the reason for the wilting of young shoots in the spring. It is characterized by the appearance of brown spots around the stem and root collar. The plant dies rather quickly. It is important to remove the affected areas in a timely manner. Before winter, the stems need to be cut off. It is important to deal with gray mold ants. If there are signs of the disease, Bordeaux liquid 1% or the drug "Chistotsvet" is used.
Powdery mildew
The disease is characterized by a white bloom on top of the leaves. Peonies need to be sprayed in a timely manner with a solution of soda ash 0.5% with laundry soap. A week after treatment, the second is carried out. You can also spray peonies with Racurs. 4 ml of the drug must be dissolved in 5 liters of water and sprayed with peonies during the growing season.
Mosaic
Leaf mosaic is a viral disease that manifests itself as spots on the foliage. In mosaics, the leaf plates are covered with green stripes. With this disease, small necrotic specks appear on the leaves of the plant.
Diseased peonies need to be urgently removed from the flower garden and eliminated.
Lemoine's disease
It is not known why this disease appears. It is determined by the fact that plants become small, shoots slow down growth, flowering does not occur. There may be swellings on the roots.
The disease is often confused with rootworm nematode. It is incurable. Diseased plants are removed from the beds and destroyed.
Verticillary wilting
The disease affects peonies during flowering. The pathogen gets inside. Withering is determined by the darkening of the cross-section of the shoot. It is difficult to get rid of the disease, the pathogen can overwinter in the roots. It is better to dig up a diseased plant and burn it. It is better to spill the hole with formalin or bleach.
Pests
Ants destroy both leaves and petals. To combat them, peonies need to be sprayed with repellents. The soil near the plants is also cultivated. Used granular products Grom-2 "," Pochin "," Barguzin ".
Aphid
Aphids can be harvested by hand or removed with a powerful pressure of water. To exterminate insects, use means "Aliot", "Iskra", "Alatar", "Tsvetolux Bau".
Bronzovka
To get rid of bronze, it is important to loosen the soil more often in August. At this time, the bronzes pupate. Beetles can be harvested by hand. When budding, the bushes are sprayed with infusion of tomato tops or chemical insecticides.
Thrips
These small insects often attack peonies during the growing season. A solution of "Aliot" and "Alatar" is used. You can also use a tincture of yarrow and dandelion.
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