Diseases and Pests of Roselle and Their Control

Pests of Roselle

The main pests of Roselle are cabbage loopers and small bridge-building insects. During the budding period, there are often pests such as aphids and leafhoppers.

cabbage caterpillar

Cabbage looper is the most widely distributed and most serious type of pest in my country. It often appears on various crops. It mainly parasitizes on plant leaves and eats the leaves, causing holes to appear on the leaves. In severe cases, it will eat the entire leaf, leaving only the veins and petioles. In severe cases, it will cause the entire plant to die.

Prevention and treatment methods

There are many ways to deal with cabbage loopers, including agricultural, biological and chemical methods, namely: reasonably arrange the plants, promptly dispose of the remaining leaves, etc., to avoid the breeding of cabbage loopers. Some natural enemies of cabbage loopers can be effectively released to effectively inhibit the reproduction of cabbage loopers, and then pesticides can be used to inhibit cabbage loopers.

Diseases of Roselle

The main diseases of Roselle are wilt and root rot. Albino seedlings, etc.

Prevention and treatment methods

The first thing to do for Fusarium wilt is to rotate crops and choose varieties with strong disease resistance. For albino seedlings, attention should be paid to the selection of plant cultivation soil, loosen the soil effectively and timely, and apply fertilizers in time. The occurrence of root rot is mainly due to water problems. If there is water accumulation in the soil, root rot is likely to occur, so drainage work must be carried out.