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Interrelationships among selected essential elements in medicinal plant raw materials and their water-extractable forms

100%
Konieczynski P., Wesolowski M.
Herba Polonica
|
2013
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tom 59
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nr 2
In the study, the relationships were investigated among N, P, Fe, Zn, Mn and Cu, in medicinal plant raw materials (herbal bags) and their water-soluble chemical forms in infuses. 42 independent samples of plant materials were chosen, represented by different morphological plant parts as herbs, leaves, flowers and fruits. The elements were determined by UV/Vis spectrometry (non-metals), and FAAS (metallic elements) after previous mineralization of plant samples (total concentrations), and directly in herbal teas (water-extractable forms). Most frequently the correlations between non-metals and Zn and Mn occurred, both between their total contents the water-extractable forms. Statistically significant correlations were also found in pairs: Zn-Mn, Fe-Zn, Mn-Fe, and Cu-Zn. Application of multivariate analysis revealed that cluster analysis grouped the studied samples into clusters with similar levels of the analyzed elements, and principal component analysis allowed the identification of water-extractable Zn, P-PO4 and water-extractable Cu as the most crucial factors determining the differentiation of the studied plant samples.
2

Nonfluorescent pseudomonads in soils and hortical substrates, their numbers and properties

72%
Kaszubiak H.
Polish Journal of Environmental Studies
|
2000
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tom 09
|
nr 5
391-396
Nonfluorescent pseudomonads have been studied by estimating their numbers in different soils and hortical substrates as well as some physiological properties and antagonistic relationships between them and fluorescent pseudomonads and actinomycetes. Nonfluorescent pseudomonads, depending on the studied soil or substrate, constituted 7-10% of the total number of bacteria from genus Pseudomonas, and the dominant among them were pectinolytic psychrotrophs. Antagonism of nonfluorescent pseudomonads was less frequent and less intense than that of fluorescent pseudomonads as counter-partners. On the other hand, in the system of interrelationships with actinomycetes, the antagonism of nonfluorescent pseudomonads was relatively more frequent, though its intensity was lower.
3

Collembola [Insecta] disperse the arbuscular mycorrhizal fungi in the soil: pot experiment

72%
Seres A., Bakonyi G., Posta K.
Polish Journal of Ecology
|
2007
|
tom 55
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nr 2
Collembola often play an important controlling role in the interrelationship between arbuscular mycorrhizal fungi (AMF) and host plants. However, there are little data to prove AMF dispersing ability of Collembola. In our experiment Folsomia candida (Willem) did not consume the spores of Glomus mossea (Nicol. and Gerd.) and G. intraradices (Schenck and Smith), but Sinella coeca (Schött) consumed 45% of the G. mossea spores and 71% of G. intraradices spores. Both species were able to disperse mycorrhiza in the soil, but the efficiency of dispersal was different. F. candida carried the infection more effectively than S. coeca, in spite of the fact that F. candida did not consume the spores in the food choice experiment. The total plant biomass was 23% higher in the presence of F. candida and 8.5% higher in the presence of S. coeca than in the control treatment without Collembola. The water content of the plants was also a little higher in the presence of both Collembola species (about 10%) than that of the control plants, but this difference was not statistically significant. Collembola improved the dispersion of the AM fungi, therefore enhanced the nutrient and water uptake of the plant.
4

The interrelationships between milkability traits and subclinical mastitis in cows

58%
Japertiene R., Juozaitiene V., Kriauziene J., Rudejeviene J., Japertas S.
Polish Journal of Veterinary Sciences
|
2007
|
tom 10
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nr 4
The investigation was conducted during 2005-2006 on 4010 dairy cows. Having performed statistical data analysis, we determined that the lowest somatic cell count (SCC) in Red and Red-White cow population was obtained when the milking time was 5-6 min., milking speed was higher than 1.5 kg/min., high milk flow was from 2.51 to 4 kg/min., and in Black-White cow population having a milking time was higher than 7 min., milking speed was from 1.01 to 2 kg/min., a high milk flow – from 2.01 to 4 kg/min. (p<0.001). In Red and Red-White cow population with subclinical mastitis, milking time was longer and milking speed was slower than in healthy cows. High milk flow values were least in healthy Black-White cow population. This determines a more equal milk flow which is desired in milking cows mechanically. Most sensitive to udder infection are 1st lactation cows which have a higher milk flow. A larger phenotype correlation coefficient in Red and Red-White cow population was between the SCC and milking time (-0.089, p<0.01) and between high milk flow (0.086, p<0.01) and milk yield (-0.071, p<0.05). However in Black-White cow population, correlation was found between SCC and milk yield (-0.117, p<0.01) and milking speed (-0.110, p<0.01). Contagious mastitis pathogens were identified in Red and Red-White cow milk samples primarily from productive cows having a milking speed of 1.01-1.5 kg/min., and in Black-White cow population having a milking speed of 1.51-2.0 kg/min.
5

Interrelationships between municipal spatial policy strategy and airport operation and development. Lodz Airport case study

58%
Nikorowicz-Zatorska K.
Urban Development Issues
|
2018
|
tom 59
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