摘要
甘肃省白龙江林区林木害虫共有7目、69科、230种。为害林木的害虫可分为刺吸性害虫、食叶性害虫、蛀干性害虫、种实害虫和食根性害虫,它们为害树木的幼苗、叶、果、种子、树干和根,影响树木的生长发育。为了更好地保护现有森林资源,虫害防治上应采用"SPMF"原则,以生物防治为主,辅以化学防治,以减少环境污染,维持生态平衡。
According to the investigation,there are 230 species,69 families and 7 orders of forest pest in Bailongjiang forest area.The pest can be categorized into piercing and sucking insect,leaf-feeding insect,branch borers;seed pest and root-eating pest,which will feed on seedlings,leaves,fruits,seeds,branch and roots of trees.The principle of SPMF were developed with the biological control as the core to protect the forest resources.
出处
《陕西林业科技》
2009年第6期28-31,共4页
Shaanxi Forest Science and Technology
关键词
白龙江林区
林木
虫害
防治
Bailoingjiang forest area
forest
pest
control
