搜索结果: 1-5 共查到“农学 needles”相关记录5条 . 查询时间(0.062 秒)
Targeted and untargeted metabolomics reveals deep analysis of drought stress responses in needles and roots of Pinus taeda seedlings
drought tolerance phytohormones fatty acids neurotransmitters sugars amino acids organic acids ?avenoids and terpenoids
2023/11/16
Drought stress is one of major environmental stresses affecting plant growth and yield. Although Pinus taeda trees are planted in rainy southern China, local drought sometime occurs and can last sever...
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, ...
Isotope ratios and concentration of N in needles, roots and soils of Norway spruce (Picea abies [L.] Karst.) stands as influenced by atmospheric deposition of N
N-deposition 15N nitrogen spruce soil
2015/2/6
This study aims to investigate the changes in isotope ratios in foliage and soils of two Norway spruce (Picea abies [L.] Karst.) forests greatly differing in their atmospheric N deposition and climati...
Altitudinal gradients of natural abundance of stable isotopes of nitrogen and carbon in the needles and soil of a pine forest in Nepal
pine forest Nepal stable isotopes
2015/1/29
This paper deals with natural abundance of 15N and 13C in the soil and needles of the pine forest (Pinus roxburghii, Sargent) along an altitudinal gradient. The study area lies in the elevation range ...
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 ...