1. Botrytis cinerea: During the maintenance period, if the soil is frequently watered or excessively watered each time, the soil is wet or even stagnant for a long time, and the ventilation environment is poor, it is easy to be infected with Botrytis cinerea.When found, the diseased plants should be disposed of in time to avoid further infection.In addition, but also fungicides, can choose thiophanate methyl or carbendazim.
2. Virus disease: The virus disease is mostly caused by the fact that the soil planted is not disinfected or the bulbs are infected with germs. It must be handled as soon as possible after discovery.Note that the soil should be disinfected before planting, and the bulbs should be treated before planting.
3. Root rot: This disease is mostly infected in the seedling stage. After infection, the roots will soften and rot, and the plants will turn yellow and die.Attention should be paid to strengthening ventilation environment during management, controlling humidity well, and fertilizing regularly to strengthen its disease resistance.In addition, the early onset of morbidity to spray root rot Ning.