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Приказ резултата 31-40 од 49
Nectar production in species of the genus Galanthus L. (Amaryllidaceae) from Serbia / Nektarska produkcija vrsta roda Galanthus L. (Amaryllidaceae) sa područja Srbije
(Univerzitet u Beogradu - Šumarski fakultet, Beograd, 2014)
As a contribution to the study of the melliferous flora of Serbia, nectar production in two species of the genus Galanthus L. (G. nivalis L., and G. elwesii Hook.) was investigated. The intensity of nectar secretion was ...
Market as 'the invisible hand' or state interventionism as 'the visible hand' of economic policy / Tržište kao 'nevidljiva ruka' ili državni intervencionizam kao 'vidljiva ruka' ekonomske politike
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2011)
This paper presents two mutually opposed aspects of the market as a regulatory mechanism in the economy. From the aspect of entrepreneurship, the free operation of 'invisible hand' encourage the successful, but limits and ...
Natural enemies of Pseudaulacaspis pentagona Targioni -Tozzetti in Serbia / Prirodni neprijatelji Pseudaulacaspis pentagona Targioni -Tozzetti u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2008)
Five parasitoid and five predator species were registered on P. pentagona on 12 localities in Serbia and 27 in the area of Belgrade during 1997-2000. The parasitoid species registered were: Prospaltella berlesei (Howard), ...
Aphids (Aphididae, Hemiptera) in seed potato / Biljne vaši (Aphididae, Hemiptera) u semenskom krompiru
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2015)
Aphids (Aphididae, Hemiptera) are efficient vectors of plant viruses and a significant problem in potato growing. Production of healthy seed potato is possible if the number of aphids is reduced, as well as their ability ...
Janus compressus F. and Tetrops praeusta L.: Little known fruit pests in Serbia / Janus compressus F. i Tetrops praeusta L. - malo poznate štetočine voćaka u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2012)
In recent years, in more localities in Serbia, on apple and pear plantations, drying of primary shoots has been registered. Agents of this drying are two harmful insect species insufficiently known in Serbia, pear shoot ...
Spotted alfalfa aphid, Therioaphis trifolii (Monell) (Hemiptera: Aphididae): Pest on alfalfa in Serbia / Tačkasta lucerkina vaš, Therioaphis trifolii (Monell) (Hemiptera: Aphididae) - štetočina lucerke u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2017)
Spotted alfalfa aphid Therioaphis trifolii (Monell) (Hemiptera, Aphididae) is one of the most important alfalfa pest on the world. Also, it is the most abundant alfalfa aphid in Serbia. This aphid cause damage to alfalfa ...
Revitalization of credit cooperatives in Serbia / Revitalizacija štedno- kreditnih zadruga u Srbiji
(Udruženje banaka Srbije, Beograd, 2018)
Savings and credit cooperatives are one of the earliest type of cooperatives, present since the time of the first organizations of this type in the world. Even today, they are an inevitable segment of the cooperative sector ...
Bionomy of small spruce bud scale, Physokermes hemicryphus (Dalman) (Hemiptera: Coccidae) in Serbia / Bionomija male smrčine štitaste vaši, Physokermes hemicryphus (Dalman) (Hemiptera: Coccidae) u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2018)
Small spruce bud scale, Physokermes hemicryphus (Dalman) (Hemiptera: Coccidae), is a Holarctic, oligophagous species developing on plants of the genera Picea and Abies (Pinaceae). It is a serious pest of Picea abies in ...
The phenomenon of social exclusion in the period of transition in Serbia / Fenomen socijalne isključenosti u periodu tranzicije u Srbiji
(Sociološko društvo Srbije, Beograd, 2016)
This paper considered the phenomenon of social exclusion and the period of its introduction by numerous participants in Serbia. The research of this phenomenon is accompanied by the analysis of unemployment, poverty and ...
Contribution to the knowledge of Leucopomyia silesiaca (Egger, 1862), predator species of scale insects from Coccidae family, in Serbia / Prilog poznavanju vrste Leucopomyla silesiaca (Egger, 1862), predatora štitastih vaši iz familije Coccidae u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2016)
Leucopomyia silesiaca (Egger, 1862) is a small, greyish-black fly from Chamaemyiidae (Diptera) family. The larvae of this species prey on the eggs in the ovisac of scale insects from the Coccidae, Pseudococcidae, Eriococcidae ...