What medicine is good for winter management of Sophora japonica?

Sophora japonica is one of the most common tree species in urban streets, parks and courtyard greening. High aesthetics, can release fragrance and adsorb air pollutants. However, winter management is one of the important factors related to the vigorous growth of Sophora japonica.

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It is the key to maintain the healthy growth of Sophora japonica by mastering the correct overwintering management methods and adopting targeted measures such as chemicals for protection. Specific to the choice of agents, it needs to be combined with specific circumstances.

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For areas below 400 meters above sea level, broad-spectrum fungicides, such as carbendazim and copper sulfate, are commonly used. For areas above 400 meters above sea level, the weather is colder, and the cold climate is easy to reduce the immunity of trees. At this time, it is best to use potassium permanganate and spray it on the trunk in cold weather to enhance the immunity of trees and prevent freezing injury.

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If Sophora japonica is infected by fungi, bacteria or viruses, appropriate specific drugs can be selected for treatment. For example, Sophora japonica infected with powdery mildew can be treated with anti-oxygen white powder or triadimefon wettable powder, and at the same time, the spraying amount and application interval should be correctly controlled to avoid the negative effects caused by overdose.

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In addition, for the winter management of Sophora japonica, attention should be paid to protecting the root system and cultivating the soil. Methods such as spraying stems, spraying roots or smearing bark can be carried out, and attention should be paid to trampling and destroying roots. Reasonable soil cultivation and soil reinforcement are also very important.

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In short, the winter management of Sophora japonica should be comprehensive and thorough, and the selection, use and dosage of chemicals should be considered to ensure the healthy growth of trees and improve the greening quality.

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