Causes of long spots on bougainvillea leaves. Solutions to long spots on bougainvillea leaves are a common ornamental flower in our country. Bougainvillea is deeply loved by people for its gorgeous flowers and rich varieties. During the maintenance process, many flower friends will encounter the problem of long spots on bougainvillea leaves, which not only affects the appearance of bougainvillea, but may also affect its growth. This article will introduce in detail the reasons and solutions to the long spots on bougainvillea leaves, and help you easily solve this problem. Causes of long spots on bougainvillea leaves 1. Disease infection: The main cause of long spots on bougainvillea leaves is disease infection, such as leaf spot disease, black spot disease, etc.
2. Malnutrition: Factors such as poor soil, improper fertilization, and insufficient light lead to poor growth of bougainvillea and spots on the leaves.
3. Improper water management: Too much or too little watering will damage the roots of Bougainvillea, which in turn will cause long spots on the leaves.
4. Environmental factors: Environmental factors such as high temperature, high humidity, and poor ventilation can also cause long spots on bougainvillea leaves. Solutions to long spots on bougainvillea leaves 1. Clean up sick leaves: After discovering long spots on bougainvillea leaves, the sick leaves should be removed in time to prevent the spread of the disease.
2. Improve soil: replace soil rich in organic matter, improve soil fertility, and provide sufficient nutrition for bougainvillea.
3. Fertilization: Reasonably apply fertilizer to supplement nitrogen, phosphorus, potassium and other elements needed for the growth of bougainvillea, and promote the healthy growth of plants.
4. Control moisture: Water reasonably according to the growth habits of bougainvillea to avoid damage to roots.
5. Ventilation and ventilation: Maintain ventilation and ventilation in the Bougainvillea growing environment to reduce the probability of disease occurrence.
6. Disease prevention and control: During the period of high incidence of diseases, pesticides, such as Bordeaux mixture, thiophanate methyl, etc., can be used for prevention and control.
7. Enhance light: Properly increase the light of Bougainvillea to promote photosynthesis and improve the disease resistance of the plant.
Although the problem of long spots on bougainvillea leaves is a headache, as long as you master the correct solution, you can easily deal with it. I hope this article can provide help to the majority of flower friends and let your bougainvillea thrive and bloom beautiful.
References: [1] Zhang Lihua, Li Xiaohong. Study on the control of pests and diseases in Bougainvillea [J]. Plant Protection, 2018, 44 (2): 1-4.
[2]Wang Fang, Liu Tingting. Cultivation and maintenance techniques of bougainvillea [J]. Flowers, 2019,(3): 12-15.
[3]Guo Lijun, Zhang Xiaofeng. Research progress on pest control of bougainvillea [J]. Plant Protection, 2017, 43 (4): 1-5.