When infected with Chinese cabbage virus disease at seedling stage, the leaves will produce green and nearly round spots, which will make the color fade, and there will be black necrotic spots on the back of the old leaves, and the Chinese cabbage will bear fruit late and loosely.

Harm of cabbage virus disease

The onset of Chinese cabbage in adulthood will make the plant dwarf, develop slowly and have a pit, but the fruiting period will become late, and black rot may occur in the later stage, leading to the necrosis of the whole plant.

Causes of cabbage virus disease

Chinese cabbage virus disease is generally spread by aphids, which is particularly prone to occur in hot and dry summer. Usually, extensive management is easy to cause.

What medicine is used for cabbage virus disease?

In the early stage of cabbage virus disease, moroxydine ethylcopper tablets, mushroom proteoglycan aqueous solution and therapeutic emulsion II can be used alternately, and sprayed 1 time every week for 3 ~ 4 times in a row.

Specific medicine for treat cabbage virus disease

Cabbage can be sprayed with virus A wettable powder, plant protection emulsion and virus soluble powder 1 time within 10 day, and sprayed continuously for 3-4 times.

Control methods of cabbage virus disease

Select disease-resistant varieties of Chinese cabbage, adjust the layout of vegetables, and pull out diseased plants in time. Watering at early stage to control temperature and prevent diseases, preventing aphids at seedling stage, and applying pesticides in time to kill insects.