2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Radish is a fairly common crop. It is often used to combat coughs, and this garden healer promotes better digestive juices production and has a pronounced choleretic and diuretic effect. People who take care of their health appreciate the unpretentious radish very much. However, the radish, just like other cruciferous crops, is not immune to damage from a wide variety of ailments. How to understand what exactly happened to her?
Powdery mildew on a radish
This attack mainly attacks the petioled leaves, but sometimes it can also strike the stems. First, a powdery whitish plaque forms on the surfaces of infected organs, which gradually turns into light brown tones. The ill-fated plaque concentrates mainly on the upper sides of the leaves. Infected leaves are deformed and dry out quickly, as a result of which the radish begins to noticeably lag behind in development.
Peronosporosis
The development of this ailment occurs mainly on the leaves of the radish: on their upper sides, you can first notice small chlorotic spots, gradually turning into oily and angular spots of light yellow color. After some time, they turn brown, and on the undersides of the leaves in the places where the spots are located, a plaque is formed, which has a grayish-purple color. Infected leaves gradually die, which entails strong oppression or complete death of the entire plant.
Phomosis radish
This is dry rot that can develop on mature plants, seedlings, and even seeds. The very first sign of phomosis is the appearance of brownish spots on the root system, densely dotted with tiny black dots. And on young plants, depressed spots of gray color, strewn with black dots, may appear. Such specks can be distinguished especially well on leafy petioles. Plant tissues become rotten, the stems gradually break off, and the infected radish quickly dies.
Radish white rot
Radish tissues infected with this ailment quickly discolor, become covered with whitish cotton-like mycelium and become watery. White rot most often attacks radishes during the growing season. However, it also brings a lot of harm during storage.
Keela radish
This is a disease of the radish root system. Most often, it can be encountered on overconsolidated or acidic soils. On the root system of the growing radish, extremely unpleasant round growths first form, and then they begin to darken and slowly rot. Affected plants noticeably lag behind in growth, root crops become smaller, and sometimes they are not formed at all.
Blackleg
Another extremely harmful attack. The upper parts of the root crops affected by it, as well as the lower parts of the leaf rosettes, are painted in dark tones and gradually become thinner. Some time later, the tissues of the root crops noticeably soften, and the infected surfaces are abundantly covered with a whitish mycelium. If you cut diseased roots, then in places from the cuts you can see strongly darkened tissues.
Adult plants are rarely affected by this disease. But the seedlings, attacked by a black leg, quickly numb, lie down and die. The main sign of a dangerous disease on seedlings is blackening and decay of the root necks. Since the root system of diseased seedlings is very poorly developed, they can be pulled out of the soil without much difficulty.
Thickened plantings, excess moisture in the soil and in the air (most often it becomes the result of excessive watering), poor ventilation or its absence, as well as sharp temperature changes, lead to the development of this destructive scourge.
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