Survey and control on species of leaf-eating pests of garden plants
The species,host plants,damage parts,damage degree and community composition of leaf-eating pests of garden plants in Chongming District of Shanghai were investigated by detailed investigation method and spot investigation method.The results showed that there were 122 species in 24 families,including 21 families,118 species and 4 dominant species of Lepidoptera,3 families,4 species and 2 dominant species of Hymenoptera.In terms of the degree of harm,there were 79 minor(+)species,accounting for 64.75%;37 species with moderate(++)damage,accounting for 30.33%;6 species with damage(+++),accounting for 4.92%.There were many species of leaf-eating pests in the study area,but their composition and structure were relatively simple,and the species that could cause serious damage were mainly concentrated in a few families.In view of the harmful characteristics of leaf-eating pests of garden plants in this area,the comprehensive control strategy of leaf-eating pests of garden plants was proposed.The control strategy of leaf-eating pests of garden plants should adhere to the principle of"prevention first and comprehensive control",and improve the insect-resistant ability of garden plants based on the forest management measures of resistant tree species.At the same time,the occurrence law of pests should be mastered and appropriate comprehensive control measures should be taken in time,to reduce the scope of occurrence of pests,reduce the degree of harm of pests.This study provided a reference for the control of garden plant leaf-eating pests in this area and ecologically similar areas.
garden plantsleaf-eating pestspest surveycomprehensive control
NETL
NSTL
万方数据
