Succulents, with their unique shapes and easy-care characteristics, have become popular among flower enthusiasts. In the process of caring for them, succulents can also encounter various pests and diseases, among which black spot disease is relatively common. This article will introduce you to the medication methods for black spot disease in succulents, helping you easily solve this problem.
Understanding black spot disease in succulentsBlack spot disease in succulents is a fungal disease that primarily affects leaves, stems, and branches. Lesions are usually black, circular, or irregular in shape and can cause leaf wilt and shedding in severe cases, affecting the growth and ornamental value of the succulents.
Principles of medication for black spot disease1. Early detection: In the early stages of black spot disease, symptoms are not obvious, so it's necessary to observe regularly. Once lesions are detected, immediate action should be taken.
2. Choose the appropriate medication: For black spot disease in succulents, the following medications can be used:
a. 50% carbendazim wettable powder: Spray once every 7-10 days, for a consecutive 2-3 applications.
b. 70% thiophanate-methyl wettable powder: Spray once every 7-10 days, for a consecutive 2-3 applications.
c. 50% difenoconazole wettable powder: Spray once every 7-10 days, for a consecutive 2-3 applications.
3. Pay attention to the spray method: When spraying the medication, ensure it is evenly applied to the affected area and the surrounding healthy parts to ensure the medication comes into full contact with the pathogen.
4. Avoid cross-infection: Tools used should be cleaned and disinfected promptly to prevent the spread of the disease.
Preventive measures1. Choose healthy plants: When purchasing succulents, select plants without lesions and that are robust in growth.
2. Maintain ventilation: Keep the room well-ventilated to reduce humidity and prevent disease occurrence.
3. Avoid excessive watering: Succulents are not tolerant to moisture, and excessive watering can trigger diseases. Control the frequency and amount of watering.
4. Regular pruning: Prune affected leaves and branches promptly to reduce pathogen reproduction.
Black spot disease is one of the common diseases in succulents. Understanding its medication methods is crucial for caring for succulents. Through the introduction of this article, it is believed that you have mastered the methods to prevent and treat black spot disease in succulents. In the process of caring for them, please follow the principles mentioned above to ensure the healthy growth of succulents.
References:
[1] Zhang Wei, Chen Lihua. Disease diagnosis and control of succulents [J]. Plant Protection, 2015, 41(2): 48-50.
[2] Wang Lili, Zhang Hua, Li Xiaodong. Research on the control technology of diseases in succulents [J]. Plant Protection, 2016, 42(3): 76-78.
[3] China Flower Association. Report on the development of China's flower industry [M]. Beijing: China Agricultural Publishing House, 2018.