Breeding Lilac: Shrub Disease

Lilac is an ornamental tree with many branches. She drops her egg-shaped leaves with a pointed tip for the winter. You can find varieties of lilacs with dissected feathery foliage. And the foliage keeps on such a lilac until late fall. During the lilac flowering period, the entire space around the bush is filled with a stunning aroma. Her small flowers enclosed in paniculate inflorescences are pleasing to the eye and cause genuine aesthetic pleasure. Breeding works allowed modern lilacs to have not only a lilac color, but also blue, and yellow, pink and purple.

lilac disease

How to grow lilac?

Like any plant, the lilac disease is subject to, has its own preferences and shows its character. This shrub prefers to settle in open, but sheltered from the winds places. Lilacs like wetlands or lands flooded with water in spring and autumn. However, she likes the soil with moderate humidity, neutral and slightly acidic, but high fertility. It is necessary to plant a bush from the end of July to the beginning of autumn, in the evening or in cloudy weather.

Lilac: diseases and care

pests and diseases of lilac

Immediately after planting a shrub, it is abundantly watered and mulched with peat or humus. During the season, the soil around it should be loosened several times. Nitrogen fertilizer can be applied only in the second year of life of lilacs, and phosphoric and potash fertilizers can be applied in the autumn, once every three years. Organic is extremely effective. While the shoots are blooming, the bush is abundantly watered, and in summer, lilacs need to be watered only on very hot days. Pruning is done so that the flowering of the bush is as abundant as possible. In early spring, thinning and sanitary pruning should be done.

The lilac disease is exposed as a result of the invasion of several types of parasites: lilac moths, lilac hawthorn, mottled moths. It also has diseases such as late blight and bacterial rot. But it is worth saying that it tolerates lilac disease and pest attacks extremely rarely. And this cannot but please the fans of the plant.

lilac diseases photo

Consider several types of lilac disease. A photo of the lilac moth shows that she prefers the foliage of a shrub. Initially, the leaves become covered with brown spots - mines, then they are twisted into tubules and dry up, and the bush becomes like burnt. The next season, he does not bloom. The middle of May is the time for butterflies to appear, and in the first days of June they begin to lay eggs on the lower sides of the leaves along the veins. After 10 days, caterpillars appear and settle in the pulp of the leaves. In the second half of July, caterpillars rush to the ground, and after 18 days butterflies appear. The second generation of pupae winters in the earth. Deep digging of the earth around the bush in late autumn with turning over the layers will protect the bush from pests. Affected leaves are naturally burned.

The following pests and diseases of lilac are bacterial necrosis. Carriers are insects that come from the water when watering, through injuries or planting material. Signs: gray leaves and brown shoots. First, the disease affects the foliage and upper shoots, then falls down. You can fight only with its technical side - remove and burn the affected leaves or parts of the plant. If the bush is damaged quite badly, it is uprooted and burned.

Source: https://habr.com/ru/post/E3488/


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