Претраживање
Приказ резултата 31-40 од 97
Weed resistance to herbicides in Serbia and worldwide / Rezistentnost korova na herbicide u svetu i kod nas
(Herbološko društvo Srbije, Beograd, 2008)
Since the discovery of the first weed species, Senecio vulgaris L., resistant to triazines, a total of 415 biotypes of weed species have been determined that are resistant to herbicides, i.e. 183 weed species, of which 110 ...
Effects of temperature and light induction of CHL a fluorescence in situ: An ecophysiological view / Uticaj temperature i svetlosti (par) na indukciju fluorescencije CHL a in situ - ekofiziološki pregled
(University of Belgrade, University of Novi Sad, 2008)
The effects of PAR and temperature on induction of Chl a fluorescence were observed on leaves of 20 plant species in their natural environments. Light affects the acceptor side of PS2. Temperature regulation of PS2 activity ...
Morphological characters variability with longidorid nematode Longidorus euonymus Mali et Hooper, 1974 (Nematoda: Longidoridae) / Varijabilnost morfoloških karakteristika kopljaste nematode Longidorus euonymus Mali et Hooper, 1974 (Nematoda: Longidoridae)
(Institute for Plant Protection and Environment, Belgrade, 2007)
Morphological characters of Longidorus euonymus Mali et Hooper, 1974 from six localities: Vrtogos, Loznica, Kanjiza, Knjazevac, Nis and Subotica were studied. Morphological characters variability both qualitative and ...
The identification of the causal agent of the pear decline in Serbia / Identifikacija prouzrokovača propadanja kruške u Srbiji
(Institute for Plant Protection and Environment, Belgrade, 2006)
The symptoms pf pear decline are present in Serbia since 1970s. Thirty years later it was proved that the causal agent of this decline is a phytoplasma. This parasite is widespread in Europe and the USA as well as the ...
Effect of agroecological condition of production and pre-plant storage on viability of potatoes seed tubers cv. Kondor / Uticaj agroekoloških uslova proizvodnje i predtretmana na životnu sposobnost semenskih krtola krompira sorte Desiree
(Institut PKB Agroekonomik, Padinska skela, 2009)
Investigation have been presents an contribution to researching of controlled and non-controlled factors of viability of potatoes seed-tubers. Also, in way of metodology brushing, measuring and estimation of parameters of ...
Mogućnosti suzbijanja korova u soji primenom herbicida / Possibilities of soybean weed control by herbicide application
(Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2008)
Due to the different herbicide efficiency to certain weed species, herbicide choice is predominantly conditioned by weed community composition. The second reason for herbicide choice is their depressive action in soybean ...
Biodiversity of phytoplasma disease on grapevine in Serbia / Rasprostranjenost fitoplazmoza vinove loze u Srbiji
(Institut PKB Agroekonomik, Padinska skela, 2008)
Grapevine yellows (GY), are very destructive diseases. For the first time GY was detected in Serbia in 2003. The arm of this work was to established the spread of phytoplasma diseased in nine viticultural regions in Serbia. ...
Information systems evaluative maintenance / Evolutivno održavanje informacionih sistema
(Fakultet organizacionih nauka, Beograd, 2008)
The problem of short lifetime of company information system and possibility of its extension is presented. Beside great financial means, implementation of an information system demands great effort of human resources and ...
Mogućnosti suzbijanja palamide (Cirsium arvense Scop.) u usevu pšenice / Options for Creeping Thistle (Cirsium arvense Scop.) control in wheat crops
(Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2004)
Creeping Thistle (Cirsium arvense) control in wheat crops is usual problem in Serbia. During the years when Creeping Thistle density is not to high, solution is easy, but when consider with many different bad conditions, ...
Investigation on atrazine resistance in different populations of Chenopodium album L. and Amaranthus retroflexus L. using nondestructive methods / Ispitivanje rezistentnosti različitih populacija Chenopodium album L. i Amaranthus retroflexus L. na atrazin pomoću ne destruktivnih metoda
(Institute for Plant Protection and Environment, Belgrade, 2002)
The aim of our investigation was to establish the level of atrazine resistance of Chenopodium album L. and Amaranthus retrqflexus L. populations collected from different localities in Serbia. Resistant population of the ...