How to prevent and treat cauliflower black spot effectively? How to prevent diseases when planting cauliflower

How to prevent and treat cauliflower black spot effectively? How to prevent diseases when planting cauliflower

Cauliflower is a common vegetable in life. It is loved by people because of its various ways of eating and high nutritional value. However, many people encounter the problem of black spot when growing cauliflower. So how to solve the problem of black spot in cauliflower? How to prevent diseases when growing cauliflower? The following editor will explain them one by one, hoping to help you.

How to prevent and treat black spot disease on cauliflower

1. Choose good varieties, and mix the seeds with disinfectants before sowing;

2. Rotate cultivation, do deep plowing and sun drying, control humidity and temperature, strengthen ventilation, and do a good job of drainage;

3. When the disease occurs, you can use 1200 times diluted 50% chlorpyrifos, 400 times diluted 50% captan, and 600 times diluted 75% thiophanate-methyl for prevention and treatment, and do it every seven days depending on the condition of the disease.

Symptoms of Cauliflower Black Spot

Cauliflower black spot disease mainly harms the leaves. When the disease first occurs, small black spots appear on the leaves, and then expand into gray-brown spots. When the humidity is high, the spots are accompanied by a black mold layer. When the disease is serious, there are spots on the entire leaf, which eventually causes the leaves to turn yellow and dry. At the same time, the stems and leaves of cauliflower will also become ill, and the symptoms are similar to those of the leaves.

How to prevent diseases when growing cauliflower

1. Control the intensity of water and fertilizer.

2. Maintain soil looseness, reduce soil acidification and alkalinity caused by excessive fertilization, and provide living space for beneficial bacteria.

3. Take precautions in advance in vegetable areas where diseases are more serious.

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