MosaicThis 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 methodsThis 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 spotThis disease causes brown spots to appear on the surface of the plant. Prevention methodsThe 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 diseaseThe 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 methodsReasonable fertilization can effectively prevent this disease. After the disease occurs, choose symptomatic medicine for spraying. Botrytis cinereaThis 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. Prevention and treatment methodsMaintain good ventilation and the environment should not be too humid. |
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