Investigation was conducted in the Torreya grandis production counties of Zhejiang province from June 2017.120 species of pests were found,which belong to five orders,and 61 species of them were newly discovered.It was found that T.grandis was seriously damaged by Coccoidea.The degree of damage in mixed forest was lower than that in pure forest of T.grandis.It was proposed that the increase of pests was related to pure forest of T.grandis planting and excessive fine management.The results of this study have important reference value for control pest for T.grandis,and the teaching and research of related researchers.
关键词
香榧/虫害/调查/浙江省
Key words
Torreya grandis/pest/investigation/Zhejiang province