Претраживање
Приказ резултата 1-10 од 35
Delay in the critical time for weed removal in imidazolinone-resistant sunflower (Helianthus annuus) caused by application of pre-emergence herbicide
(Taylor & Francis Ltd, Abingdon, 2013)
The critical time for weed removal (CTWR) is a period in the crop growth cycle when weed control must be initiated to prevent yield losses. Knowing the CTWR is useful for making decisions about the timing of weed control ...
Determination of Conyza canadensis Levels of Sensitivity to Glyphosate Trimesium Sulphosate
(International Journal of Agriculture and Biology, 2013)
Changes in leaf anatomy were examined in two S. African populations of Conyza canadensis of which one was presumed to be resistant (CCPR) and the other susceptible (CCS) to glyphosate. Glyphosate was applied to plants, ...
Classification and fingerprinting of different berries based on biochemical profiling and antioxidant capacity
(Empresa Brasil Pesq Agropec, Brasilia Df, 2013)
The objective of this work was to evaluate the biochemical composition of six berry types belonging to Fragaria, Rubus, Vaccinium and Ribes genus. Fruit samples were collected in triplicate (50 fruit each) from 18 different ...
Fruit quality of red raspberry cultivars and selections grown in Western Serbia
(Czech Academy Agricultural Sciences, Prague, 2013)
Biological and chemical properties of cv. Willamette were contrasted with those of cvs Tulameen, Latham, Meeker and K81-6 grown under agro-environmental conditions of Western Serbia. The following parameters were examined: ...
Influence of the chemical structure of poly(urea-urethane-siloxane)s on their morphological, surface and thermal properties
(Springer, New York, 2013)
Segmented poly(urethane-urea-siloxane)s (PUUS) were synthesized using 4,4'-methylenediphenyl diisocyanate (MDI) and ethylene diamine (ED) as the hard segment components and hydroxypropyl-terminated poly(dimethylsiloxane) ...
A bioassessment of soil nickel genotoxic effect in orchard planted on rehabilitated coalmine overburden
(Academic Press Inc Elsevier Science, San Diego, 2013)
Environmental problems of non-rehabilitated overburden material are present in surrounding of open coal mines worldwide. Ecological restoration of this soil material usually deals with the improvement of its bad physico-chemical ...
Structural and Electrical Properties of Ti Doped alpha-Fe2O3
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2013)
In this work we have analyzed the effects of Ti doping on structural and electrical properties of alpha-Fe2O3. When the amount of added Ti (5 wt.% TiO2) was within the solubility degree and XRD, SEM and EDS analysis revealed ...
Constructed wetlands as an alternative restoration measure for shallow lakes
(IWA Publishing, London, 2013)
This paper deals with the consequences of cultural eutrophication and unconventional solutions for shallow lake restoration. Cultural eutrophication is the primary problem that affects especially shallow lakes, due to their ...
Monitoring of aphid flight activities in seed potato crops in Serbia
(Pensoft Publishers, Sofia, 2013)
Aphid flight activities in seed potato fields have been studied by the yellow water traps. It is a good method for monitoring aphids as vectors of viruses, but this study also showed it is a suitable method for insect-diversity ...
Testing of self-(in)compatibility in apricot cultivars from European breeding programmes
(Czech Academy Agricultural Sciences, Prague, 2013)
Self-(in)compatibility was tested in 40 new apricot cultivars from European breeding programmes Pollen-tube growth in pistils from laboratory pollinations was analysed using the fluorescence microscopy. Cultivars were ...