Disease and Pest Control of Primula oleracea

Mosaic

This disease will harm the entire plant. In the early stages of infection, the leaves of the plant will gradually become smaller and the leaf shape will begin to become irregular. As the disease worsens, dark green lines will appear on the surface of the plant. The flowers of plants infected with this disease will become smaller, the flower shape will become irregular, and the petals will also have lines. In severe cases, the plant's flowering period will disappear directly. This disease is easily contagious.

Prevention and treatment methods

This disease is mostly caused by two reasons. The first reason is insect pests, and the second reason is transmission from other plants. Therefore, if you want to avoid the occurrence of this disease, you must first clear the weeds and then prevent insect pests.

Brown spot

This disease causes brown spots to appear on the surface of the plant.

Prevention methods

The disease is transmitted by ventilation and rain. Therefore, during daily breeding, try not to let it get wet in the rain, and spray it with medicine after the disease occurs.

Spot disease

The disease primarily attacks the leaves of the plant. The disease starts on the lowest leaves of the plant and slowly spreads to the upper leaves. In severe cases, the plant will die.

Prevention and treatment methods

Reasonable fertilization can effectively prevent this disease. After the disease occurs, choose symptomatic medicine for spraying.

Botrytis cinerea

This disease is the most common disease of Primula oleifera. After being attacked by this disease, the entire plant will slowly turn yellow, then wither and die.