National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Vliv minerálního hnojení na výnosy a kvalitu polopřirozeného travního porostu
Štros, Michal
This diploma thesis is focused on research of fertilization effect and the intensity of use on species composition of permanent grassland in the habitat of Kameničky. Factors which were evaluated are these: fertilization intensity (unfertilized, PK, 90N+PK and 180N+PK) and the intensity of use (double-cutting and triple-cutting grassland). The evaluation was carried out in 2013 and 2014. The results show that in grasslands fertilized with nitrogenous fertilizers the proportion of grass increases (P < 0,05) and the proportion of herbs decreases (P < 0,05) in comparison with unfertilized grasslands. At the same time dry forage yield increases (P < 0,05). Grasslands with high production of quality forage, however species-poor are the result of increasing nutrients dose. Unfertilized grassland are species-rich but with the low value of quality grasslands. Double-cutting grasslands had higher average yields than triple-cutting grasslands. However, triple-cutting grasslands had higher values of Hill's diversity index than double-cutting.
Identification of yeasts genus Saccharomyces from leaves, grapes and must of grape-vine.
Škodová, Anna ; Štros, Michal (referee) ; Vránová, Dana (advisor)
This diploma thesis is concerned about the PCR-RFLP method for identification of yeasts genus Saccharomyces from leaves, grapes and must of white wine. The thesis describes an obtaining of pure cultures of yeasts, isolation DNA and amplification of specific segments of DNA using PCR method. Splitting of this segments by restriction endonukleases and a detection of final fragments by zone electrophoresis are mentioned too. Length of fragments and numbers of restriction fragments, which are characteristic of every species, enable a determination of microorganisms and their inclusion into the system. The basic informations on yeasts and molecular methods for their identification are named in the theoretical part of the thesis. The main part of the thesis deals with the processing of grapes of grape-wine and the manufacturing of white wine.

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3 Štros, Martin
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