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Aphids and parasitolds on willows and poplars in southeastern Europe (Hornoptera : Aphidoidea; Hymenoptera : Braconidae, Aphidiinae)
(Journal of Plant Diseases and Protection, 2006)
Aphid and aphid parasitoid associations on willows (Salix spp.) and poplars (Populus spp.) in southeastern Europe are reviewed. In total 13 aphid parasitoid species were reared from aphids on these plants. The specific ...
Extraction of useful metals from lead-silver cake in the process of hydrometallurgical zinc production by leaching in calcium-chloride solution
(Bulletin of Electrochemistry, 2006)
This paper shows the result of examining lead, silver cadmium and copper extraction from lead-silver waste cake in the process of hydrometallurgical zinc production. Besides controlling of pH value, the lead-silver cake ...
Determination of johnsongrass [Sorghum halepense (L.) Pers.] level of sensibilty to nicosulfuron
(Maydica, 2007)
In 2002, a johnsongrass population survived the application of ALS inhibiting herbicides in the locality of Zemun Polje, Serbia and Montenegro. This locality is known to have been treated with ALS inhibitors for years which ...
Assessment of the water quality of aquatic resources using biological methods
(Desalination Publ, Hopkinton, 2009)
Assessment of water quality at Radmilovac estate near Belgrade that is used for irrigation of cultures and as a water supply for experimental fish farm and hatchery was performed by using aquatic invertebrates (zooplankton ...
Restructuring of the Hungarian electricity industry
(Carfax Publishing, Basingstoke, 2001)
Restructuring the monopolistic, state-owned, obsolete and polluting utility industries of post-socialist economies poses a challenge for the utility deregulation wave travelling around the world. Utility restructuring in ...
Chemical composition and antimicrobial activity of Ambrosia artemisiifolia L. essential oil
(Taylor & Francis Inc, Philadelphia, 2004)
Chemical analysis and antimicrobial activity of essential oil isolated by steam distillation from Ambrosia artemisiifolia L., Asteraceae dried flowering herb were performed. Principal constituents were germacrene D (24.1%), ...
A new Praon species (Hymenoptera : Braconidae : Aphidiinae) of the Uroleucon parasitoid complex from the Mediterranean area
(Priel Publ, Rehovot, 2003)
A new hymenopteran aphid parasitoid species (Praon uroleucon sp. n.) from Uroleucon sp. infesting Carduus acanthoides L. is described from Yugoslavia. It is diagnosed and illustrated with scanning electron microscope ...
Variability of Essential Oil Composition of Cultivated Feverfew (Tanacetum parthenium (L.) Schultz Bip.) Populations
(Journal of Essential Oil Research, 2009)
The differences in essential oil composition, based upon GC and GC/MS analysis, were studied in four cultivated populations of Feverfew (Tanacetum parthenium (L.) Schulz Bip.). The yield of oil ranged from 0.23% to 0.36%; ...
The Effect of Dietary Selenium Source and Level on Hen Production and Egg Selenium Concentration
(Humana Press Inc, Totowa, 2009)
A 16-week experiment was conducted to compare effects of various levels of sodium selenite (SS) and Se-enriched yeast (SY), on the whole-egg Se content and hen's productivity. One hundred Shaver 579 hens, 27 weeks old, ...
Systematic remarks on eriophyoid mites from the subfamily Phytoptinae Murray, 1877 (Acari: Eriophyoidea: Phytoptidae)
(Magnolia Press, Auckland, 2009)
In this paper a critical analysis of the subfamily Phytoptinae is undertaken. Five new combinations are stated: Oziella nilotica (Abou-Awad, 1981) comb. n. (from Phytopus Dujardin, 1851); O. gigantica (Mohanasundaram, 1981) ...