What harm does carrot sudden fall disease have? How to prevent and cure?

Carrots are planted in many places in China, because they have low requirements for the environment, strong adaptability, easy to manage, and they are also a vegetable variety planted by growers. In the specific planting process, carrots are prone to common disease quenching disease, for growers, once the occurrence of the disease, it will cause great losses, light production reduction, heavy can not be sold on the market, directly withered. Next, let's take a look at the harm of carrot sudden drop disease. How to prevent and cure?

What is carrot cataplexy?

Quenching disease is a relatively easy disease in the period of carrot breeding, whether in summer and autumn or in winter and spring, this disease is relatively easy to appear. When the carrot seedlings are unearthed and the true leaves have not yet unfolded, there will be a certain performance if they are infected by the pathogen. For example, there will be spots in the shape of water stains under the stem of the seedling, and the color will be compared with that of the seedling, and then it will gradually expand with the growth of the stem of the carrot, slowly becoming a thin line shape. The aboveground part of carrot seedlings will lodge because of lack of support. When the humidity of the seedling bed becomes larger, the seedlings of carrot disease or the bed near it will have white flocculent hyphae, which is more dense.

Second, what are the hazards of carrot sudden onset disease?

Once the carrot quenching disease occurs, the carrot seedlings will be quenched, the seedlings will be close to the ground, and the leaves will slowly rot. The color of carrots also changes, from brown to death. Carrot quenching disease survives through mycelium in the diseased tissue in the soil, and then spreads through weather rain, artificial watering, ploughing and other phenomena.

Third, how to prevent and cure carrot quenching disease?

1. The seeds should be disinfected.

Carrot seed disinfection is a more effective way, we can choose warm water soaking carrot seeds, powder seed or liquid soaking way for disinfection, can effectively prevent and cure the disease.

2. Nursery bed management should be in place.

Immediately after the emergence of carrots, remove the film and straw covered above, so that you can timely ventilation, cooling, reducing humidity and so on. Then move the carrot seedlings into the bowl and move gently to avoid harming the young seedlings so as not to infect the germs after the wound. After the carrot seedlings survive, we should also pay attention to ventilation, so that we can raise strong seedlings, reduce the humidity and temperature of the seedbed, and let them receive more light.

3. Treat the disease as soon as it is found.

If there is a sudden onset of carrots, if it is in the early stage, professional agents can be used to prevent and cure the disease when the weather is clear. You can go to a special drugstore to buy, and carefully read the instructions, do not use drugs blindly.