Prevention and treatment of common pests and diseases of cyclamen

1. Cyclamen disease Cyclamen is extremely susceptible to disease and should be planted in a clean, drained area. The main disease is Fusarium oxysporum. The pathogens are often lurking on the seedlings until the onset of disease after transplanting. During the transportation process, attention must be paid to the management of temperature and humidity, strict disinfection, and soil and flower pots must be disinfected. The yellow seedlings were discarded, and the quintamine or thiophanate-methyl was prevented in the fifth week after the seedlings were transplanted. Second, wilting disease seedlings after transplanting, stems and leaves are not well developed, black fungi appear on the leaves, pedicel and bulb vascular system appear light red lesions; residual organs have large pieces of light orange spores, the disease will quickly spread Remove diseased plants and apply thiophanate-methyl or chlorothalonil for control. 3. Symptoms of soft root disease are sudden snoring of the plant, followed by lodging, and the bulbs are small; the main reason is that the bulbs are buried too deeply, the temperature is too high, the humidity is too high, etc.; to avoid watering the upper spray in the hot season. Fourth, gray mold flowers and leaves appear soft rot, flowers appear spots and gray mold. Reduce the temperature, increase ventilation, increase the spacing between seedlings, pay attention to the night temperature should not be too low, can be controlled by fungal fungicide. 5. Symptoms of spotted mildew are yellow or brown rings on the petiole. The flowers are deformed and the plants stop growing. The disease is mostly transmitted by thrips. Controlling the insects can control the disease. Six, cyclamen spider it will cause the leaves to deform, curl, part of the flower color, the flower stem distortion. With other pest control.