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Now showing items 11-20 of 33
Effect of land use on group and fractional composition of humus in rendzina soils in Serbia / Uticaj načina korišćenja zemljišta na grupni i frakcioni sastav humusa u rendzinama Srbije
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2007)
The effect of land use on group and fractional composition of humus was examined in 13 rendzina profiles under forests, 12 profiles under grassland and 8 profiles under arable fields in different parts of Serbia where ...
New Acaricalus species (Acari: Eriophyoidea) from Turkey oak, Quercus cerris L. (Fagaceae) and the new records for the fauna of Serbia / Nova vrsta roda Acaricalus (Acari: Eriophyoidea) sa cera, Quercus cerris L. (Fagaceae) i prilozi o novim vrstama u fauni Srbije
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2009)
A new species of eriophyoid mite, Acaricalus cerriquerci n. sp. (Acari: Prostigmata: Eriophyoidea) collected from Turkey oak, Quercus cerris L. (Fagaceae), is described and illustrated. Differential diagnosis is provided ...
Importance and research status of scale insects (Homoptera, Coccoidea) in Serbia / Značaj i istraženost štitastih vaši (Homoptera, Coccoidea) u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2008)
Scale insects are dangerous pests on fruit trees, forest and ornamental plants. Feeding on the aerial parts of the plant they cause growth delay, fruit lack, branch and trunk dessication. Faunistics of this group of insects ...
Humus group and fractional composition of rendzina soil in Serbia / Grupni i frakcioni sastav humusa u rendzinama Srbije
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2007)
Data on humus group and fractional composition in rendzina soils in Serbia acquired by the method of Pnomarieva and Plotnikova (PONOMAREVA and PLOTNIKOVA, 1968) are presented. The sites investigated in this study included: ...
Morphological variation in different populations of Aceria anthocoptes (Acari : Eriophyoidea) associated with the Canada thistle, Cirsium arvense, in Serbia
(Springer, Dordrecht, 2007)
The russet mite, Aceria anthocoptes (Nal.), is the only eriophyid that has been recorded on Canada thistle, Cirsium arvense (L.) Scop. It has been noted in several European countries and recently in the USA. With its ...
A typology of rural areas in Serbia
(Univerzitet u Beogradu - Ekonomski fakultet, Beograd, 2008)
The goal of this paper is to present a method to establish the typology of rural areas in Serbia. Initially the OECD rurality criterion was applied to define the rural areas in Serbia. Subsequently, relevant indicators ...
Establishing the resistance of Myzus persicae (Sulzer) by molecular methods / Utvrđivanje rezistentnosti Myzus persicae (Sulzer) molekularnim metodama
(Srpsko biološko društvo, Beograd, i dr., 2008)
In two years of investigating resistance of the peach-potato aphid Myzus persicae (Sulzer) by molecular methods, several types of resistance were established in the majority of individuals from peach and tobacco in Serbia ...
Influence of a trout farm on macrozoobenthos communities of the Trešnjica river, Serbia / Uticaj pastrmskog ribnjaka na zajednice makrozoobentosa reke Trešnjice, Srbija
(Srpsko biološko društvo, Beograd, i dr., 2009)
Trout farming poses an increasing threat to quality of the water of clean highland streams. Research of this problem has focused primarily on changes in physico-chemical composition of the water and structure of the river ...
Genital organ anomalies in Xiphinema dentatum (Nematoda : Longidoridae)
(Brill Academic Publishers, Leiden, 2005)
Seven specimens of Xiphinema dentatum with abnormal genital organs were found in the same population. Normal females are amphidelphic with the vulva located slightly anterior to the mid-body. Of some 24 000 females examined, ...
Ferruginous rhodochrosite from the deposit Stari Trg-Trepča, Serbia / Gvožđeviti rodohrozit iz ležišta Stari Trg-Trepča, Srbija
(Geozavod, Beograd, 2003)
Notable in the deposit Stari Trg-Trepča are, in addition to pure carbonate minerals, numerous isomorphous admixtures. The paper offers the results of investigations of rhodochrosite "rosettes" and reniform rhodochrosite ...