National Repository of Grey Literature 8 records found  Search took 0.00 seconds. 
New knowledge in the field of mechanism of action and use of auxin herbicides
Skůpa, Petr ; Petrášek, Jan ; Bárnet, M.
The methodology summarizes all the latest findings in the field of mechanism of auxin effects in the plant, which give users a new perspective on their use in agricultural practice.
Alternate crop: maral root (Rhaponticum carthamoides (Willd.) Iljin) Cultivation, significance, and use in plant protection
Bárnet, M. ; Pavela, R. ; Pilař, M. ; Mráz, J. ; Pluhař, P. ; Vosátka, Miroslav
Certified methodic provides in depth information on cultivation technology, processing and use of maral root in the conditions of the Czech Republic. Both new research findings and practical recommendation for production of biologically active compounds are included in the publication. The methodic also describes utilization of the plant for the production of a biopesticide.
Waxes and Lipids Extraction from Miscanthus Giganteus Stems.
Rousková, Milena ; Šolcová, Olga ; Kaštánek, František ; Bárnet, M. ; Svátek, A. ; Stránská, M. ; Hanika, Jiří
In the framework of the project BIORAF, supported by Technology Agency CR (project no. TE01020080), plantations for experimental production of Miscanthus × giganteus and Miscanthus sinensis have been founded by the project partner AGRA Co. Tall stems of this plant contain a broad spectrum of various substances (waxes, lipids, carotenoids, etc.) being potentially exploitable in cosmetics.Extraction processing of crushed dry stems using non-polar solvent is a promising way for separation of these substances into an extract, whereas the waste raffinate containing waste biomass has, after being pressed into the form of pellets, the potential for energetic utilization as green fuel.\n
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Objectives of Centre Competence BIORAF for Recyclable Biological Material Treatment
Šolcová, Olga ; Hajšlová, J. ; Demnerová, K. ; Vosátka, M. ; Jandejsek, Z. ; Bárnet, M. ; Svátek, A. ; Kaštánek, P. ; Hanika, Jiří ; Topka, Pavel
Projekt Bioraf řeší komplexní přeměnu biomasy metodami tzv. zelené chemie na spektrum společensky žádaných produktů s vysokou přidanou hodnotou a energií.
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Jerusalem Artichokes - a Source of Valuable Nutrients
Rousková, Milena ; Barnet, M. ; Sobek, Jiří ; Veselý, Václav
Topinambury jsou rostliny z čeledi hvězdicovitých a zvonkovitých, kde inulin nahrazuje škrob ve funkci zásobní látky. Najít ho můžeme především hlízách. Topinambury lze využít jako potravinářskou surovinu pro lidi nebo i ke krmivářským účelům pro zvířata. Nezanedbatelný je i podíl stvolů pro možné energetické využití. Hlízy lze sklízet od podzimu do jara a lze je konzumovat syrové dle kreativity dietologa nebo kulináře. Je možné je i sušit a přidávat je pak do jídla pro zvýšení obsahu vlákniny. Je možné využít jednak dřeně nebo šťávy. Energetický obsah hlíz topinambur je 3 až 3,5 MJ/kg.
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Report for the Project Optimization of Supercritical Fluid Extraction for Maximal Yield of Biologically Active Substances from Plants
Sovová, Helena ; Sajfrtová, Marie ; Pavela, R. ; Karban, Jindřich ; Bárnet, M.
Savory, caraway, peppermint, lavander and ruta were selected out of more than twenty plants as the best resources of biologically active substances soluble in supercritical CO2 and effective against pest insect. Lethal doses and antifeedant activity of plant extracts against four model insect species were evaluated. Chemical composition of isolates was determined using GC and GC-MS. Two novel methods were used to examine relation between the composition and the acute toxicity of isolates.

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1 Bárnet, M.
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