It mainly harms the leaves and stems of narcissus. In the early stages of infection, they appear on the tips of the leaves, brown, and lesions appear on the leaves and stalks during large infections, distorting the leaves, causing the plants to stop growing and causing them to die.

Control methods:

1. In the early stage of disease, 75% chlorothalonil wettable powder can be used in 600 to 700 times aqueous solution and sprayed once every 5 to 7 days. Even spraying several times can control the disease development.

2. Peel membranous scales before planting. Place bulbs in 0.5% formalin solution or soak in 50% carbendazim 500-fold solution for half an hour to prevent this disease from occurring.

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