In the cultivation of citronella, you will find that leaf blight often occurs, and sometimes the outbreak is very serious, in the middle of a year, when the heat and rain, the most serious
When citronella leaf blight occurs in the field culture, it is almost 100% of the victims. Generally, after the leaves are cut, the new leaves of citronella are easy to catch the disease. The longer the time is, the greater the harm is, and the greater the loss is
Citronella leaf blight, mainly caused by pathogens, when the disease damage leaves, leaves appear purple brown spots, and gradually expand, develop into light yellow spots, but also make the leaves brown dead leaves, produce black mold.
In order to control citronella leaf blight, it is necessary to eliminate the cause of the disease. The first reason for the disease is that the infected plants are planted, and the second reason is that the pathogens infect the new plants through air transmission, disease leaf transmission and rain water transmission, leading to citronella leaf blight. Specifically, in the high temperature and rainy season, this disease is easy to occur
In fact, at present, there is no very effective control measures for citronella leaf blight, in response to the leaf blight, are mainly to reduce the harm.
The measures that can be taken include: disinfecting the seedlings before planting, soaking them in Bordeaux solution, and then cutting the leaves at a shorter interval of about 40 days. After cutting the leaves, it is necessary to spray some Bordeaux solution to protect the wounds, and spraying drugs for treatment when the disease occurs. These are some methods that can reduce citronella leaf blight.
