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This paper presents a proposal for commercial measures aiming at protecting the Ergates faber (Linnaeus 1761). Ergates faber is a beetle species (Coleoptera) from the longhorn beetles’ family, Cerambycidae, and remained protected in Poland since 2001 following the Regulation of the Minister of the Environment of 26th September 2001 (Journal of Laws 2001, no. 130, item 1456), while it was never listed...
The need for phytosanitary control enhancement in Ukraine is discussed because of the increase in international trade of agricultural commodities posing the risk of the introduction of destructive adventive species. Up to 200 species not distributed in Ukraine, are detected annually in imported agricultural commodities. The entry, establishment, and spread of some of these nonindigenous species can...
The paper gives a survey of biodiversity of planted grand fir (Abies grandis) stands in Rogów Arboretum on the background of environmental data compared to those of its natural distribution. Some information concerns studies on grand fir plantations in Europe and their influence on chosen components of the ecosystem. During the study, 63 taxa of vascular plants, mosses and liverworts, 46 taxa of fungi...
The paper presents the results of the isolation and identification of fungi from Quercus robur L. acorns infested by acorn major pests: Curculio glandium Marsh. and Kenneliola spp., and larvae of these insects. Acorns were collected in 2003, in three locations in Poland from the forest floor and from the nets suspended above the forest floor. The most frequently fungi isolated from acorns colonized...
Samples of whiteflies were collected from Dendranthema spp. in major growing areas of Tanzania. The insects were transferred onto test plants to confirm host specificity. Infested with insects, test plants were then protected with polyethylene bags. Samples of whiteflies from infested plants were taken at 10 day intervals post-infestation (dpi), 28 dpi and 35 dpi, for behavioural studies. At 10 dpi...
Field research was conducted to determine insects occurring on Rumex confertus Willd. The experiments were carried out in 1997, 1998, 1999 and additionally in 2001 from April to late September. The field trials were located in the natural habitat of R. confertus on meadows near Vistula river; in Bydgoszcz (53013'N, 18015'E) and Toruń (5302'N, 18061'E) vicinities. Mossy sorrel was injured by the following...
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