抚顺地区落叶松人工林有害生物种类发生状态及防控技术

Varieties,current status and control technique of pests in larch plantations in the Fushun area

大面积发展的落叶松人工纯林已占抚顺市森林面积的29.4%,为落叶松有害生物提供了丰富的营养源。林内生物多样性单一,造成落叶松有害生物灾害频发,严重影响了落叶松的健康生长和森林环境的稳定。据调查,抚顺地区落叶松有害生物多达34种,其中虫害19种、病害10种、鼠害3种、鸟害2种。该文总结了抚顺地区落叶松有害生物的发生情况和危害特点,并提出了有效防控措施及今后治理方向。

Pure larch plantations have been planted in a large area and accounts for 29.4 % of the forest area of Fushun city, providing abundant nutrient sources for pests of larch. Because of singular biodiversity in the larch plantations, pest plagues happened frequently to the larch plantations and health growth of larch and stability of forest environment were affected seriously. Research showed that there were 34 varieties of pests in larch plantations in the Fushun area, including nineteen varieties of pests, ten varieties of diseases, three varieties of rats, and two varieties of birds. In this study, the current status and risk characteristics of pests in larch plantations in the Fushun area were summarized and effective prevention and control measures and further control direction were proposed.