Practical Study on the Prevention and Control of Diseases and Pests of Sophora Japonica in Fengtai District
With the gradual completion of gardens in the Fengtai area,post maintenance has gradually become a key task for gardens,and the problem of diseases and pests in urban gardens has also become increasingly prominent.This study provides a basic analysis basis for effectively reducing the impact of Aprionaswainsoni(Hope)on Sophora Japonica in Fengtai area and improving the ecological quality of urban gardens.This paper takes Fengtai District,Beijing as an example,and records in detail the growth data of Aprionaswainsoni(Hope)and Sophora Japonica through field investigation and sample collection,and further statistical analysis was conducted on the data to reveal the invasion patterns of the Aprionaswainsoni(Hope)and its correlation with environmental factors.Through sample data,the relationship between the plant rate and the diameter at breast height of Sophora Japonica,the population density and the dead tree rate of Sophora Japonica,climate factors and the occurrence rate of Sophora Japonica pests were constructed,and the functional equation of this relationship was fitted.Conclusion:The research results show that there is a significant positive correlation between the invasion of the Aprionaswainsoni(Hope)and the diameter at breast height of the Sophora Japonica tree.Especially,the Sophora Japonica tree with a diameter range of 20～25 cm is the most severely affected,with a pest rate of 12.45％and a population density of 1.74 individuals per plant.In addition,the physiological condition,branch orientation,and climate factors of trees are closely related to the occurrence of pests.
Sophora Japonicadisease and pest prevention and controlAprionaswainsoni(Hope)environmental and ecological factorsfunctional equation
万方数据
维普
