Answer: The growth period of spring shoots is a period of high risk of citrus yellow rot disease infection. Therefore, efforts should be made to strengthen the prevention and control of citrus hibiscus in the spring and timely conduct the prevention and treatment of citrus shoots. One is the appropriate period of prevention and treatment: Spring buds germinate to 2 to 5 mm when spraying once every 7 to 10 days. The second is the prevention and control of pharmaceuticals: the use of high-efficiency and low-toxicity pesticides should be used to control citrus hibiscus, and propofol, cyhalothrin, chlorpyrifos, avicidazole and other pesticides can be used to control hibiscus. Simultaneously with the addition of difenoconazole or fully-complexed mancozeb, both the anthrax, scab, and dermatosis occur simultaneously with the control of clogs. Third, pay attention to matters: When spraying pesticides, pay attention to rotating drugs to ensure the control effect. Butterfly bean flower is also known as butterfly bean flower, blue butterfly flower, blue butterfly, butterfly blue flower, and other aliases such as butterfly sheep bean and bean bee. Its petals can be used for dyeing and eating, and are rich in vitamins A, C and E. It is rich in anthocyanins, which can improve immunity, help and promote skin elasticity and collagen production, and has antioxidant effects. Butterfly Pudding Powder,Blue Pigment,Butterfly Pea Flower Powder,Butterfly Pea Pollen Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zhongyiherbs.com