摘要
通过油松毛虫对油松生长发育的影响调查,从结实量、种子质量、树高、胸径、材积连年生长量等方面研究了油松受害程度,并提出了防治措施。
Investigation of the impact of Chinese pine caterpillar (Dendrolimus tabulaeforrnis Tsai et Liu) on the growth and development of Pinus Tabulaeformis Carr. was conducted in terms of seed yield, seed quality, tree height, DBH, current annual increment and so on. Measures for control of Dendrolimus tabulaeformis Tsai et Liu were suggested too.
出处
《陕西林业科技》
2008年第2期98-100,109,共4页
Shaanxi Forest Science and Technology
关键词
油松毛虫
危害
防治措施
Dendrolimus tabulaeformis Tsai et Liu
damage
measures for control