Detailed Explanation of Key Technical Points for Pest and Disease Control in Baby Napa Cabbage

Baby napa cabbage is a vegetable that everyone loves very much, and it is also one of the vegetables with good promotion prospects on the market at present. When growing baby napa cabbage, it is susceptible to infection by pests and diseases, which affects its yield and quality and also brings certain losses to farmers. Let's take a look at the pest and disease control techniques for baby napa cabbage together with the editor below.

1. Soft rot

This is a common disease when growing baby napa cabbage. It mainly harms the base of the stem. When the disease occurs, the base of the stem rots and is accompanied by a foul odor, and in a humid environment it secretes a yellow sticky substance.

Control techniques: Streptomycin can be used for foliar spraying, spraying once every 7-10 days for 2-3 consecutive times, with good results. It can also promote head formation. To prevent this disease, you can spray a water-mist formulation during the rosette stage, or dilute with water and drench the roots, which has a good preventive effect.

2. Downy mildew

This is a fungal disease that can occur from the seedling stage of baby napa cabbage to the harvest stage. It mainly harms the leaf portion of baby napa cabbage. When the disease occurs, the leaves wilt, and in severe cases the leaves wither and turn yellow until the entire plant dies.

Control methods: There are many control measures for this disease. Downy mildew 500-times solution can be used for spray control. When the condition is severe, Previcur AS 600-800-times solution can be used for control, with good results.

3. Damping-off

This disease is also called seedling collapse and little-foot blight. It is also a fungal disease. When the disease occurs, the stems of baby napa cabbage become weak and gradually bend and fall over. In severe cases, large-scale death occurs, causing great harm.

Control methods: This disease is mainly prevented. During management, fertilizer and water management should be strengthened, and attention should be paid to field humidity and permeability so that it grows normally. Spray Previcur 400-600-times solution for disinfection and prevention.

4. Pests

There are three main pests of baby napa cabbage. The first is aphids, which gather on the leaves and continuously suck the leaf sap. In severe cases, the leaves lose water and wither, and they also spread diseases. The second is the diamondback moth, which is somewhat similar to aphids and also sucks the sap of baby napa cabbage. The third is the cabbage caterpillar, which is different from the first two. It continuously gnaws on the plant, and in severe cases the plant leaves are gnawed clean, making it one of the natural enemies of vegetables.

Control methods: For aphids, pesticides can be used for control. Fenvalerate EC and deltamethrin EC can all eliminate them, but the concentration should be noted, and they should be used alternately to avoid developing resistance. For diamondback moth, Caixi suspension concentrate and Tianwangxing EC can be used, while for cabbage caterpillar, Shuguojing or Kung Fu EC can be used for control.

The above is an introduction to pest and disease control techniques for baby napa cabbage. We hope it can help you. If you want to learn more related knowledge, please stay tuned to us.