How to Prevent and Treat Leaf Blight in Potted White Magnolia (Michelia alba)
How do you prevent and treat leaf blight in potted white magnolia?
Branch blight is extremely likely to occur when indoor ventilation is poor, light is insufficient, and the potting soil is too wet or too alkaline.
Prevention and treatment methods: (1) Place it in a position with better light, open the windows for ventilation at noon during the day, keep the potting soil on the dry side, and apply alum fertilizer water and a 3% ferrous sulfate aqueous solution once every 20-25 days, which can prevent the disease. (2) At the early stage of the disease, if there are not many leaves, apply medical Dakning (miconazole nitrate cream) to the diseased spots or spray a 2% ferrous sulfate aqueous solution once every 4-5 days, for 3-4 consecutive times.
Prevention and treatment methods: (1) Place it in a position with better light, open the windows for ventilation at noon during the day, keep the potting soil on the dry side, and apply alum fertilizer water and a 3% ferrous sulfate aqueous solution once every 20-25 days, which can prevent the disease. (2) At the early stage of the disease, if there are not many leaves, apply medical Dakning (miconazole nitrate cream) to the diseased spots or spray a 2% ferrous sulfate aqueous solution once every 4-5 days, for 3-4 consecutive times.