2024 Author: Howard Calhoun | [email protected]. Last modified: 2023-12-17 10:16
Practically in every garden you can see delicious heads of crispy cabbage. However, only a few manage to wait for the harvest and collect he althy, large vegetables. Why is that? This is primarily due to the fact that cabbage, like no other plant, is susceptible to various diseases, it is often attacked by pests. Therefore, cabbage diseases and the fight against them for many owners is an extremely burning topic.
One of the most common cabbage diseases is the so-called white rot. It is typical for vegetables growing on loamy soil. Most often, white rot affects the lower leaves of cabbage and the root collar. The tissues affected by the disease lose their natural color, become watery, and are also covered with white, cotton-like mycelium. Closer to autumn, the mycelium becomes denser and transforms into black sclerotia (they can have a different shape). And already during the storage period of the crop, another disease may occur - gray rot. The petioles of the lower leaves of cabbage, which is affected by gray rot, are covered with a fluffy gray mold with smalldots.
Cabbage diseases and their control often involve the development of clubroot. It develops in conditions of excessive moisture. On the roots of a diseased plant, specific growths can be observed, it soon dries up and dies. To avoid this disease, before planting seedlings, the soil is treated with a suspension of colloidal sulfur (0.4%, five grams per 1 sq. M). Infected plants should be isolated and burned as soon as possible.
Many problems are caused by diseases such as blackleg, slimy bacteriosis, cabbage mosaic, downy mildew and rhizoctoniosis.
A separate topic is pests and diseases of cabbage, which are associated with the activity of insects. This is an ordinary cabbage (white cabbage), and cruciferous fleas, and a bear, and a turnip white, spring and summer cabbage flies, nutcrackers and wireworms, garden, exclamation, winter and cabbage scoops, naked slugs. For many pests, cabbage is a gourmet treat, which is another reason why cabbage diseases and their control are such a hot topic.
There is a certain list of preventive measures to save seedlings and get a good he althy harvest:
- before sowing, the seeds are disinfected: they are heated for about 15-20 minutes in hot water (about 50 degrees), dipped in cold water for 2-3 minutes and dried a little;
- when growing seedlings, it is important to ensure that the air temperature does not rise above 18-20 degrees, and the soil is not too wet;
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all diseased plants should be isolated and destroyed as soon as possible;
- maintain neutral soil acidity;
- observe crop rotation: cabbage can be planted in the same place in the soil every 5-8 years;
- when studying pests and diseases of cabbage with photos, it is important to know how to repel insects: in equal proportions, you need to mix tobacco dust and ash and sprinkle the soil around with this mixture;
- before planting in the ground, it is worth dipping the roots of plants in a solution of insecticide (for example, karbofos), mullein and clay;
- preservation of the crop is also facilitated by the early sowing and planting of cabbage.
Cabbage diseases and the fight against them cause many problems for the owners. However, by adhering to the rules for growing vegetables, you can very likely avoid them.
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