Main diseases of camellia and their prevention and treatment

anthrax

Prevention and treatment methods :

Sooty Disease

The disease that affects branches and leaves is most obvious on the leaves. In the early stage of the disease, small sooty mold spots will appear, then gradually expand and connect into pieces, and finally most of the plant will be covered with a sooty mold layer. After parasitizing, the pathogen not only absorbs nutrients from flowers, but also seriously affects the photosynthesis and respiration of the plants, and finally causes the plants to shed a large number of leaves.

Prevention and treatment methods:

Root-knot nematode disease

Prevention and treatment methods:

Moire leaf blight

It harms the young branches, leaves and buds of camellia. The spots on the leaves mostly occur at the leaf tips and edges. Initially, the spots are semicircular or irregular in shape, yellow-green in color, and then gradually turn brown. In the later stage, the spots are grayish white with dark brown edges. The diseased leaves become brittle in the later stage and fall off easily; the lesions on the tips are dark brown stripes, and in severe cases the branches die. The peak period of the disease is from May to August .

Prevention and treatment methods :

2. If diseased branches are found, cut them off promptly and burn them in batches.