Chubushnik diseases affect mainly in violation of the rules of agrotechnical care of the culture. It is important to clean the drying branches in time and burn the falling foliage. If this is not done, then the pest of the chubushnik will winter well in the thickness of the fallen leaves and in the spring damage the culture to a great extent.
This page presents the main diseases and pests of the chubushnik accompanied by a photo with a detailed description of the symptoms and signs.
Look at chubushnik's diseases and their treatment in the photo, where the basic rules of agrotechnical measures are illustrated.th.
All diseases and pests of Chubushnik are amenable to effective prevention using standard agrotechnical techniques. About what - you can find on this page.
Chubushnik diseases and their treatment
Measures to combat gray mold. Collection of fallen leaves, thinning of plants, compliance with the requirements of agrotechnical cultivation, prophylactic spraying with one of the following preparations: fast, pure color, keeper, agro-pharmaceutical. Consider further and other diseases Chubushnika and their treatment with available improvised means.
The causative agent is the mushroom Septoria philadelphi Ell. et ev. - causes the appearance on the leaves of rounded brownish spots with a thin dark border, with a diameter up to 10 mm. Over time, dotted black fruit bodies form, the necrotic tissue brightens, cracks and falls out. Affected leaves dry out and fall prematurely. Infection persists in plant debris.
Control measures. Collection and disposal of plant residues, preventive spraying Bordeaux mixture or its substitutes.
Preventive and eradicating sprays from the spring with drugs: fufanon, spark, kinmiks, fitoverm, Inta-Vir.
Hawthorn Aporia crataegi L.
A large butterfly with a wingspan of 50-70mm and with characteristic black veins on its white wings. Caterpillars are brownish-gray with short hairs. These pests of the chubushnik winter in white cocoons in nests of dried leaves. In the spring go and eat, nibbling buds and young leaves. After feeding, they pupate by attaching a web to the branches. The flying of butterflies is observed in June, they drink the nectar of flowering plants in large quantities and openly. After fertilization, the females lay eggs in groups on the leaves, in July caterpillars emerge and feed for a month, skeletoning the leaves, leaving only the veins. At the end of July, the caterpillars create winter nests and weave cocoons in them. Almost all deciduous trees and shrubs are damaged.
Control measures. Spraying during the blooming of kidneys with drugs: fufanon, spark, kinmiks, Inta-Vir.
Several species of click beetles are widespread.: dark (Agriotes obscurus L.), striped (A. lineatus L.), seed (A. sputator L.). The beetles of brown and dark brown color, from 6 to 13 mm in length, all characteristically click when they turn over. The larvae - wireworms - long, yellow-brown, leathery, with three pairs of thoracic legs. The development of larvae, depending on the species, lasts 3-5 for years, and beetles and larvae in the soil winter. Beetles skeleton leaf plates, grubs gnawing the roots of plants. Damage to all plants, especially dangerous for vegetable and ornamental herbaceous crops.
Control measures. Drainage of low areas, liming of acid soils, removal of weeds, introduction of diazinon-based preparations: Barguzin, provotox, medvetoks, zemlin. Against beetles - spraying preparations: fufanon, spark, kinmiks, Inta-Vir.