2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Ornamental cabbage is not immune to disease. They can infect crops from the phase of two cotyledons to the very frost. Consider the most effective techniques in dealing with these scourges
Types of diseases
The main diseases manifested on ornamental cabbage are:
• "black leg";
• keel;
• fusarium;
• bacteriosis;
• phomosis.
Each type of disease requires its own approach to solving the problem. Let's take a closer look at how not to miss the first signs.
Blackleg
Description. A fungal disease that affects plants at the initial stage of growth. The stem becomes thinner at the ground-air border, the roots die off, and the seedlings stop developing. The infection hibernates on plant waste, in the soil. Reasons for distribution: high humidity, significant air drops, non-compliance with planting density.
Control measures:
1. Instead of pure water, pour with a solution of slightly pink potassium permanganate.
2. Wait for the topsoil to dry out.
3. Frequent loosening of row spacings.
4. Spread 1cm of sand.
5. Timely removal of diseased specimens.
Keela
Description. Fungal disease. It affects the root system, forming large and small growths all summer. The culture is poorly developed, withers away in the heat. Severe infection leads to complete death. It accumulates in the soil, spreads by ripe spores.
Control measures:
1. Use infected areas after 6 years of abstinence from the cabbage family.
2. Liming of acidic soils.
3. Removal of diseased plants.
4. Destruction of weeds of the same family.
Fusarium
Description. Fungal disease that affects the blood vessels. The leaf plate withers, turns yellow, becomes covered with small, black specks. Sick leaves fall off. Stored in soil, plant residues.
Control measures:
1. Removal, incineration of infected specimens.
2. Digging the beds in the fall.
3. Early treatment of the soil with a solution of copper sulfate, before planting seedlings.
Bacteriosis
Description. Disease of bacterial origin, affecting blood vessels. The veins turn black, the leaves turn yellow, dry out. Black spots appear on the stem. Infected through the stomata with rainwater. Roots damaged by insects are susceptible to disease from the ground. Strong spread occurs in wet weather with high air temperatures.
Control measures:
1. Process the seeds for 20 minutes in hot water at a temperature of no more than 48 degrees before sowing. Then it is rapidly cooled under a cold stream for 5 minutes.
2. Destruction of weeds of the cruciferous family.
3. Compliance with crop rotation. Return in 5 years to the previous place.
4. Deep digging of the beds in the fall.
5. Top dressing with potash fertilizers during the season.
Fomoz
Description. A fungal disease that progresses throughout the growing season. It appears on the leaves, roots in the form of brown spots, dotted with black dots. On the petioles of the leaf, the root system, depressed grayish spots of irregular configuration are clearly visible.
The disease is transmitted by sucking insects and progresses in rainy weather. Hibernates on plant debris, soil.
Control measures:
1. Fill the seeds for 10 minutes with hot water no more than 48 degrees before sowing.
2. We return the cabbage every 4 years to its old place.
3. Fight against sucking insects.
4. Deep digging of beds in the fall.
5. Destruction of vegetable waste of cabbage.
If the proper measures are not taken in time, then harmful factors will destroy all plants at the root, nullify the efforts made to grow ornamental cabbage. Do not expect a massive spread of pests and diseases, start destruction when the first signs of damage are found. Then the plants will delight you with bright colors, will give you a great mood for every day.
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