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Tissue micronutrient content (B, Fe, Mn, Zn, Cu, Mo, Co) was compared in healthy and ill shoots of a rootless aquatic carnivorous plant Aldrovanda vesiculosa growing in an outdoor culture, in plants in the field, in different accessions from around the world, and in shoots and turions. On the basis of microelemental analyses, the observed disorder of shoot apices cannot be explained as deficiency...
During vegetative period 2004–2005 powdery mildew (Erysiphe graminis DC. f. sp. hordei Em. Marchal) field resistance of spring barley cultivars was investigated at the Lithuanian Institute of Agriculture. The spring barley genotypes tested were Lithuania-registered cultivars, cultivars from genetic resources collection, and the new cultivars used for initial breeding. In total, 23 resistance genes...
Spatial genotypical diversity of Sesleria albicans Kit. ex Schultes was studied in a dry grassland community by isozyme analysis. The aim was to identify the genetical individuals within the studied population and to assess the species’ clonal growth parameters. Vegetative mobility and branching intensity were measured in field for the sake of the correct interpretation of the results. Five isozyme...
In vitro proliferation and cytokine production were investigated in BALB/c mice splenic cell cultures that were stimulated with concanavalin A (ConA) and lipopolysaccharide (LPS) and simultaneously exposed to salivary gland extracts (SGE) of unfed and partially fed adult ixodid ticks (Ixodes ricinus, Rhipicephalus appendiculatus, Amblyomma variegatum). Generally, tick SGE enhanced proliferation of...
Total sixteen bacterial strains were isolated and purified from the samples collected from sugarcane molasses soil, sewage water and long-chain-hydrocarbon-contaminated area of the Punjab University, Lahore, Pakistan. Tolerance to different antibiotics was studied and strains showed multiple antibiotic resistance. All strains were characterized for Gram stain, biochemical reactions and polyhydroxyalkanoate...
The effect of low pH and aluminum on nitrogen uptake and metabolism was studied in roots of Lotus japonicus grown in hydroponic cultures. The low pH slightly suppressed root elongation, and this effect was accompanied by the suppression of nitrate and ammonia uptake, as well as the nitrate reductase activity. In spite of high resistance of young Lotus plants to short-term Al application, the one-day...
The morphology and morphometry of five soil haptorid ciliates (Apospathidium terricola, Diplites telmatobius, Armatoenchelys geleii, Paraenchelys terricola, and Spathidium aciculare), collected from a variety of terrestrial habitats in Slovakia (Central Europe), were investigated using live observation and protargol impregnation. Emphasis was given on the ciliary pattern, the fine structure of dorsal...
The study presents habitat and phytosociological analyses of the Chara intermedia phytocenoses, rare described in Europe. 16 physico-chemical water parameters were analysed, coming from the samples taken in 20 phytocenoses of 13 lakes located in western Poland. The analysed community appeared in naturally shallow lakes representing last stages of the disappearance of glacial water basins. The study...
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