搜索结果: 1-15 共查到“农学 Bark”相关记录37条 . 查询时间(0.109 秒)
The influence of evaporated pheromone upon the trapping of the spruce bark beetle – Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae) – Short communication
pheromone trap pheromone dispenser increased efficacy forest protection
2017/4/6
This article examines the relative efficacy of releasing a larger pheromone plume volume and the relative efficacy of the number of pheromone dispensers within baited traps in trapping the spruce bark...
Tree-bark thickness indicates fire-resistance in a hotter future
Tree-bark thickness fire-resistance hotter future
2017/2/16
A new study has found that trees worldwide develop thicker bark when they live in fire-prone areas. The findings suggest that bark thickness could help predict which forests and savannas will survive ...
Scolytus koenigi Schevyrew, 1890 (Coleoptera: Curculionidae): new bark beetle for the Czech Republic and notes on its biology
Acer first record galleries maple Scolytinae
2015/9/15
In November 2013, Scolytus koenigi Schevyrew, 1890 was recorded for the first time in the territory
of the Czech Republic (Southern Moravia, at two localities near the village of Lednice). This find...
Double-spined bark beetle (Ips duplicatus) (Coleoptera: Curculionidae): a new host – Douglas fir (Pseudotsuga menziesii) – Short Communication
Czech Republic forestry pest Scolytinae
2015/7/2
This paper documents the first recorded
successful development of I. duplicatus on Douglas fir (Pseudotsuga menziesii) (Mirbel) Franco. Two densely infested
Douglas fir trees were found in a fores...
Beech (Fagus sylvatica L.) bark necrotic damage as a serious phytopathological problem in Central and Southeastern Europe
Bulgaria index of necrotization Slovakia
2015/5/18
The results of long-term monitoring of beech bark necrotic damage in a mature stands in Czech Republic, Slovakia, Poland, Hungary, Romania, Serbia and Bulgaria are presented in paper. Overall, 10,863 ...
Attractiveness of Picea pungens to the bark beetle species Ips amitinus (Eichh.) and Pityogenes chalcographus (L.)
Kruš né hory Mts Picea alba
2015/4/24
Only two cambioxylophagous species (Ips amitinus and Pityogenes chalcographus) were found on sections of Picea pungens and Picea abies that belong to economically important pests of Norway spruce. Rep...
Geographical variability of spruce bark beetle development under climate change in the Czech Republic
bark beetle altitudinal shift climate change scenario Ips typographus generations temperature increase
2015/3/27
Climate change is expected to influence the distribution and population dynamics of many insect pests, with potential severe impacts on forests. Spruce bark beetle Ips typographus (L.) (Col.: Curculio...
The survey of some factors affecting bark lesion development caused by Phytophthora cactorum on common beech and other broadleaved trees
artificial infection bark lesion broadleaved trees pathogenicity common beech Fagus sylvatica Phyto-phthora cactorum substrate specificity water stress
2015/3/19
The three experiments relating to the pathogenicity of Phytophthora cactorum to beech and other forest tree species were carried out. The experiments were aimed to confirm pathogenicity of the pathoge...
Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions
bark beetles the Beskids Central Europe merocoenoses Norway spruce, Picea abies tree damage
2015/3/19
Research on merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) was carried out in spruce stands of different age in the area with an endemic population (Moravian...
Geostatistical simulation of bark beetle infestation for forest protection purposes
bark beetle geostatistics probability maps
2015/3/16
Geostatistical analysis of bark beetle activity and its use for the improvement of pest control measures are presented. Data on the volume of salvage timber felling due to bark beetle infestation for ...
Current state of beech bark necrotic disease in Southern Poland
beech Fagus sylvatica L. necrotic disease stem crown part Southern Poland
2015/3/12
The degree of the beech bark necrotic disease was evaluated in three selected localities in southern Poland, in different orographic complexes, Beskid Sądecki, Beskid Niski, and Bieszczady. The d...
Indirect Effect of Fungicide Treatments on Chasmothecia of Erysiphe necator Schwein Overwintering on Grapevine Bark
BaSf Hungária Kft. Budapest, Hungary
2015/3/9
Erysiphe necator Schwein overwinters in Hungary primarily as large numbers of chasmothecia providing primary
inoculum for grapevine (Vitis vinifera L.) infection in the next year. In two field trial...
Spatial distribution of four spruce bark beetles in north-western Slovakia
infested spruces spatial distribution kriging
2015/3/6
Infestation density of four the most common spruce bark beetle species was estimated on 15 study sites (10 trees per site) in the Kysuce model region in 2006. Five half-metre long sections of the stem...
The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)
Ips typographus irradiation sterile insect technique
2015/3/6
Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were conducted in 2006. The effect of irradiation on the mating behaviour and reproduction success of the b...
Actual status of the beech bark necrotic disease in North Western Bulgaria
beech Fagus sylvatica L. bark necroses
2015/3/3
In this paper we present recent findings about the beech bark necrotic disease in selected localities situated
in the mountain ranges Vitosha and Stara planina in Bulgaria. The resulting values of n...