Analysis of the reasons for the blackening of spider's leaves, spider's bacterial infection prevention methods, spider's is a common indoor leaf-viewing plant. It is deeply loved by people for its characteristics of purifying the air and beautifying the environment. During the maintenance process, many flower friends will find spider's leaves turning black, which not only affects the ornamental value of spider's plants, but may also indicate problems with plant health. This article will deeply discuss the reasons for the blackening of spider's leaves, especially the common problem of bacterial infection. And provide effective prevention and control methods. Analysis of the reasons why spider orchid leaves turn black 1. Bacterial infection A common reason for the blackening of spider orchid leaves is bacterial infection. When the spider orchid leaves are invaded by bacteria, black spots or patches will appear on the leaves. In severe cases, the entire leaf will turn black and withered. This bacterial infection is usually caused by bacteria such as leaf rot fungus, leaf spot fungus, etc.
2. Environmental factors In addition to bacterial infections, environmental factors are also important reasons for the blackening of spider plant leaves. Such as insufficient light, improper watering, poor air circulation, etc., may lead to black spots on spider plant leaves.
3. Improper maintenance and improper maintenance are also a reason for the blackening of spider plant leaves. For example, excessive fertilization, accumulated water in the soil, and timely control of pests and diseases may all damage the spider plant leaves. Prevention and control methods of bacterial infection of spider plants 1. Clean and maintain the environment Keep the growth environment of spider plants clean and regularly clean up dust and impurities on the leaves to help prevent bacterial infection.
2. Control watering Reasonably control watering to avoid accumulated water in the soil. Pour it thoroughly when watering, but do not let the water stay on the leaves for a long time.
3. Enhance the light and plant plants prefer a semi-shaded environment, but appropriately increasing the light can enhance the plant's disease resistance. Place the plant in an area with sufficient scattered light to avoid direct sunlight.
4. Reasonable fertilization and fertilization should be appropriate to avoid excessive amounts. During the period of vigorous growth, nitrogen fertilizer can be applied appropriately to promote leaf growth; during the dormant period, fertilization should be reduced.
5. Timely prevention and control of pests and diseases. When black spots are found on the leaves of spider plants, timely control should be carried out. You can use 75% chlorothalonil wettable powder 800 times solution or 50% carbendazim wettable powder 1000 times solution to spray.
6. Trim the diseased leaves to prune the leaves infected with bacteria in time to avoid the spread of the disease. The pruned leaves should be disinfected to prevent the spread of bacteria.
There are many reasons for the blackening of spider orchid leaves, among which bacterial infection is a more common one. Understanding the reasons for the blackening of spider orchid leaves and taking corresponding prevention and control measures will help maintain the healthy growth of spider orchid. I hope this article can provide useful reference to the majority of flower friends.