农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-15 共查到农学 Slovakia相关记录72条 . 查询时间(0.093 秒)
During 2014–2016, damage by the oriental chestnut gall wasp Dryocosmus kuriphilus Yasumatsu (Hymenoptera, Cynipidae) was found on sweet chestnut trees at 4 localities in Slovakia. Dryocosmus kuriphil...
The first record of vanda thrips (Dichromothrips corbetti [Priesner, 1936], Thysanoptera, Thripidae) in Slovakia is presented. An economically important pest with heavy infestations on flowers of Phal...
During 2014–2015, samples from ten 20–25 years old pine (Pinus ponderosa var. jeffreyi) trees showing wilt symptoms were collected from the Arborétum Mlyňany park. A disease was observed on 20% of the...
In 2015, we recorded the first attack of the great spruce bark beetle, Dendroctonus micans (Kugelann) (Coleoptera: Curculionidae, Scolytinae) on non-native Picea orientalis (L.) and Picea pungens (Eng...
Forests in the mountain ranges are supposed to meet multiple objectives at the same time. There are different expectations and priorities among stakeholder groups. The object of the research is the ca...
The work presents the results of phenological observations of flowering and fruit ripeness of the European hazel (Corylus avellana L.) in Slovakia in two time periods: 1964?983, and 1994?013. The phen...
At the locality Čebovce we found damage on Asimina triloba cv. Prima and Corylus avellana, which is not a typical host plant. 20% of branches on the host plant Asimina triloba cv. Prima were dama...
Scaphoideus titanus Ball, the main vector of Flavescence dorée phytoplasma, was monitored in Slovakia during 2013 and 2014. The species was present in the vineyards of eastern Slovakia but it was rare...
Stomach contents of 331 specimens of Perccottus glenii (Perciformes: Odontobutidae) were analysed. Chironomids and ephemeropterans dominated the diet of all size classes of fish; however, the frequenc...
An increase of inbreeding in a small, endangered population is one of the important criterions in the evaluation of the degree of endangerment of the given breed. The aim was to determine an economic ...
The paper deals with assessment of a long-term experiment (45 and/or 53 years of investigation) in the 90-years-old European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia. T...
The onset and course of selected vegetative phenological phases of beech along the altitudinal gradient in Slovak Republic were studied. Observations were done in the Burda Mts. (200–300 m a.s.l.), Kr...
Recently, the importance of forest effect on watershed hydrology has been increasingly recognized due to an elevated threat of floods and expected alterations of water regime in watersheds induced by ...
The article deals with financial and socio-economic impacts of nature conservation in forest and wood industries of Slovakia. The paper presents costs and losses of state budget, forest enterprises an...
Biotic agents driven spruce decline has been observed over several regions in Europe. We studied the spatial pattern of spruce stands mortality due to biotic agents in three spruce dominated regions i...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...