The current is still a high incidence of yellow spot disease, should pay attention to prevention and treatment. Leaf blight is harmful to the leaves. The lesions on the leaves are round, nearly round or elliptical, 2-12 mm in diameter, brown, or slightly pale in the center, with light green edges, and small black spots on the lesions at the late stage. Arranged in a rostral pattern, lesions continue to expand. In severe cases, the diseased leaf surface became a piece, causing the plant leaves to dry. The diseased leaves were removed at the early stage of disease. 50% Propiconazole EC 2000 times solution plus 75% chlorothalonil 500 times compound solution plus pistachio foliar fertilizer 600 times solution were used. Or with 30% difenoconazole 2000 times plus 70% thiophanate-methyl mixed liquid plus pistachio foliar 600 times liquid and other agents spray 2-3 times, interval 7-10 days, according to the growth of yellow seedlings Proper use of 15% paclobutrazol in time and in appropriate amounts promotes rhizome enlargement. Qingdao Beautiful Skin Biotechnology Co., Ltd , https://www.hafilleresthetic.com