搜索结果: 1-5 共查到“Picea pungens”相关记录5条 . 查询时间(0.102 秒)
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...
Aboveground biomass and nutrients in an 18-years-old stand of blue spruce (Picea pungens Engelm.) as a substitute tree species
aboveground biomass nutrients blue spruce substitute tree species stands
2015/4/14
Sample trees were taken for analyses from an 18-years-old blue spruce stand growing in the summit part of the Jizerské hory Mts. (Czech Republic). The sample trees were measured and dry matter and nut...
Cambioxylophagous fauna developing on logging residues of blue spruce (Picea pungens Engelmann)
cambiophages Cryphalus abietis Ips amitinus Kruš né hory Mts. Picea pungens Pityogenes chalcographus
2015/3/27
Cutting down 20- to 30-years-old trees of blue spruce (Picea pungens Engelm.) (October, May) and cross-cutting them to sections of different volume (0.5–75 dm3) under conditions of half-shade × open a...
Chemical thinning in blue spruce (Picea pungens Engelm.) stands and its effects on cambioxylophagous fauna
arboricides chemical thinning Ips amitinus Kruš né hory Mts Picea pungens Scolytidae
2015/3/19
Chemical thinning was applied in blue spruce (Picea pungens Engelm.) stands by the application of Roundup Klasik and Garlon 4 EC. The thinning efficacy of Garlon 4 EC was negligible, while that of Rou...
Picea pungens Engelm. – a new host of Dothistroma needle blight Mycosphaerella pini E. Rostrup detected in the Czech Republic
Dothistroma needle blight Mycosphaerella pini Picea pungens quarantine pests
2015/2/2
Dothistroma needle blight Mycosphaerella pini is an important pathogen of pine needles. In addition to different species of pine, M. pini was found in blue spruce Picea pungens in the proximity of inf...