【摘要】 森林有害生物—昆明松梢斑螟危害华山松为新记录。为正确认识昆明松梢斑螟的危害性,加强对其管理,有效地控制该虫的危害,防止进一步地扩散蔓延,采用有害生物危险性分析的方法,对昆明松梢斑螟在我国的危险性进行了系统的定性和定量相结合的分析。结果表明,昆明松梢斑螟属于低度危险的林业有害生物。更多还原

【Abstract】 Dioryctria kunmingnella was a newly found pest attacking Pinus armandii in China.In order to get comprehensive understanding of its threat to pine trees,to stengthen its management and to limit its damage, pest risk analysis method was adopted to systematically analyze the hazard of Dioryctria kunmingnella on pine forest in China from the aspects of both qualitative and quantitative.The results indicated that Dioryctria kunmingnella was a pest with lower risk.更多还原