Most of them are caused by fungal infection. When the disease is found, 75% of the 1000 times liquid of chlorothalonil can be sprayed, spraying once a week, spraying continuously for three to four times, and it can be well controlled.
Most of them occur in high temperature season, especially in summer. It is found that this kind of patients can be treated with fungicides such as Carbendazim and chlorothalonil, which can effectively control the disease three to four times in a row, spray once every seven days, in addition, pay attention to prevent the toxicity of pests.
Most in summer and autumn, when the temperature is on the high side, once such diseases are found, fungicides should be sprayed in time, such as methylthiophane, chlorothalonil, etc.
There are aphids, scale insects, mole crickets and so on.
If aphids are found to be treated with imidacloprid, it can be prevented by spraying with 25% actai water. The mole cricket can choose 15% Ti Ke Ke particles buried in the roots below to reduce the harm.
