The causes and preventive measures of the latest heart-breaking of Chinese cabbage

Cabbage is a common vegetable, which is planted in both the north and the south, because it is delicious and economical, so it is favored by farmers, so it has a wide planting area. But farmers often encounter the problem of bad heart of Chinese cabbage, so what is the cause of the bad heart of Chinese cabbage? How to prevent and cure it? Let's get to know it.

First, the reason for the bad heart of Chinese cabbage

1. Soft rot

Soft rot is a common disease. The heart leaves of Chinese cabbage are bitten by insect pests or bring bacteria to cabbage. In the case of suitable temperature, the bacteria propagate rapidly and slowly spread to the outer skin, resulting in the phenomenon of rotting plants.

2. Heartburn due to calcium deficiency

The appearance of braised cabbage is not much different from that of normal cabbage, but the leaves in the heart have gone bad and can not be used. the main cause of this disease is lack of calcium. A physiological disease caused by the inability of roots to transport enough calcium, and of course heartburn occurs when excessive manganese deficiency occurs. When heartburn, the edge of the leaf heart is dry and curled inward, the growth of Chinese cabbage is inhibited, there is no difference between heading and normal Chinese cabbage, but the interior is in a state of water stains, leaves are erosive and rotten, with rancidity taste.

II. Preventive measures

1. Select varieties with strong disease resistance.

Selecting varieties with strong disease resistance can prevent the rotten heart of Chinese cabbage to a certain extent. generally speaking, the resistance of straight tube type Chinese cabbage to rotten heart is much stronger, of course, the quality may not be as good as ball heart type Chinese cabbage, you can choose according to your own actual situation.

2. Clean up the field

Think that soft rot disease is caused by bacteria, so when diseased plants are found, they should be pulled out in time and taken out of the field for burning or deep burial, which can reduce the source of spread infection.

3. Appropriate humidity

In the case of high humidity in the field, germs are very easy to breed, leading to disease epidemic, coordinate fertilizer and water management to avoid excessive dryness or wetness in the field, especially in the heart, flood irrigation should be prohibited.

4. Apply more organic fertilizer

To apply more organic fertilizer, in the case of comprehensive nutrition of organic fertilizer, can avoid dry heartburn caused by lack of calcium, but also greatly improve the lack of calcium caused by salinization in the field.

5. Drug prevention and treatment

To control field pests as soon as possible, pests are the transmission vector of field diseases. It is found that dry heartburn is immediately watered and sprayed with a mixture of 0.7% calcium oxide and 2000 times naphthalene acetic acid. Generally, spraying 1-3 times a week can improve.

The above is the introduction of the causes and preventive measures of broken heart of Chinese cabbage. I hope it can help you. If you want to know more about it, please follow us.