搜索结果: 1-2 共查到“森林保护学 needles”相关记录2条 . 查询时间(0.062 秒)
Comparison of two Coniochaeta species (C. ligniaria and C. malacotricha) with a new pathogen of black pine needles ?Sordaria macrospora
Ascomycota morphological characteristics phylogenetic analysis
2016/2/22
A new pathogen, Sordaria macrospora, isolated from damaged needles of black pine (Pinus nigra) causes discolouration, brown spots, blight symptoms, and necroses spoiling aesthetic value. Two species, ...
Effect of fertilisation on Norway spruce needles
air pollution impact defoliation spruce yellowing
2015/1/29
Yellowing of Norway spruce is a relatively common problem in many regions of the Czech Republic. At some places, it is also connected with forest decline. This unfavourable phenomenon is initiated by ...