Chinese cabbage anthracnose is a widespread fungal disease that affects not only Chinese cabbage but also other cruciferous crops like mustard, radish, and turnip. This disease significantly reduces the market value of vegetables and can lead to substantial yield losses. The pathogen thrives in warm and humid conditions, typically between 26°C and 30°C, with relative humidity exceeding 95%. Factors such as low-lying fields, poor drainage, excessive planting density, inadequate fertilization, and weak plant growth contribute to the rapid spread of the disease. Poor air circulation and insufficient sunlight also create favorable conditions for infection.
The symptoms of the disease begin as small, pale or greenish spots on the leaves. These lesions are usually round or nearly round, with brown margins and slightly raised edges. The center of the lesion is often grayish-white, thin, and papery, becoming translucent over time. As the disease progresses, the spots may turn gray, become more fragile, and even rupture easily. The disease can also damage the veins on the leaf surface, causing irregular brown spots and depressions. Additionally, the petioles, flower stalks, and seed pods may develop elongated or spindle-shaped lesions, which appear brown or gray-brown. When the affected areas are moist, they often exude a red, sticky substance.
To manage the disease, early intervention is crucial. One effective method is to spray a 2% antifungal solution diluted 200 times, repeating the application every 5 to 6 days for 2 to 3 times. Alternatively, you can use 80% mancozeb wettable powder at a dilution of 600 to 800 times, or 50% chlorothalonil wettable powder at the same concentration. Other options include 50% benomyl wettable powder, 40% Fengnong wettable powder (diluted 400–500 times), or a combination of 70% thiophanate-methyl and 75% chlorothalonil at 1000 times dilution. You can also apply 50% benomyl wettable powder at 1000 times or 70% mancozeb wettable powder at 500 times. Another option is 25% Thiophanate-methyl EC diluted 3000–4000 times. These treatments should be applied every 7 to 10 days, and up to 2 to 3 applications may be needed for optimal control.
In addition to chemical treatments, cultural practices such as proper crop rotation, adequate spacing, improved drainage, and balanced fertilization can help reduce the incidence of the disease. Monitoring the weather and taking preventive measures before the disease becomes severe is also essential for long-term management.
Disposable Endo Fascia Closure System
Disposable minimally invasive fascial closure device is a medical device used to close the abdominal fascia layer after laparoscopic surgery. The device consists of a needle and suture that can be inserted through a small incision in the skin and used to close the layers of fascia without the need for a larger incision. The device is designed to reduce the risk of complications associated with traditional methods of fascial closure, such as wound infection, hernia and dehiscence. The single-use nature of the device also reduces the risk of cross-contamination and infection. Use of the device could shorten recovery time and improve outcomes for patients undergoing laparoscopic surgery.
Disposable Endo Fascia Closure System,Medical Instrument Abdominal Stapler,General Surgery Abdominal Wall Stapler,Sterile Fascial Closure Device
Changzhou Weipu Medical Devices Co., Ltd. , https://www.cnweipumedical.com